A comparison of cereal-aphid migrations over Britain in the summers of 1979 and 1982

Dewar, A. M., Tatchell, G. M. and Turl, L. A. D. 1984. A comparison of cereal-aphid migrations over Britain in the summers of 1979 and 1982. Crop Protection. 3 (3), pp. 379-389. https://doi.org/10.1016/0261-2194(84)90044-9

Related outputs

Efficacy of thiamethoxam seed treatment against aphids and turnip yellows virus in oilseed rape

C1 - Edited contributions to conferences/learned societies

Dewar, A. M., Tait, M. F. and Stevens, M. 2011. Efficacy of thiamethoxam seed treatment against aphids and turnip yellows virus in oilseed rape. Crop protection in Southern Britain. Aspects of Applied Biology 106 . pp. 195-202

The implications of genetically modified herbicide-tolerant crops for UK farmland biodiversity: a summary of the results of the Farm Scale Evaluations project

C1 - Edited contributions to conferences/learned societies

Brooks, D. R., Firbank, L. G., Bohan, D. A., Champion, G. T., Clark, S. J., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M. S., May, M. J., Osborne, J. L., Perry, J. N., Rothery, P., Roy, D. B., Scott, R. J., Squire, G. R. and Woiwod, I. P. 2007. The implications of genetically modified herbicide-tolerant crops for UK farmland biodiversity: a summary of the results of the Farm Scale Evaluations project. Proceedings Open Seminar on the Cultivation of Genetically Modified Crops and Evaluation of Ecological Effects, Tokyo, 3 November 2007 . NIAES, Tsukuba. pp. 29-52

Pests and diseases update for 2006

G - Articles in popular magazines and other technical publications

Stevens, M., Asher, M. J. C. and Dewar, A. M. 2007. Pests and diseases update for 2006. British Sugar Beet Review. 75(1), pp. 16-20.

Effects of successive seasons of genetically modified herbicide-tolerant maize cropping on weeds and invertebrates

A - Papers appearing in refereed journals

Heard, M. S., Clark, S. J., Rothery, P., Perry, J. N., Bohan, D. A., Brooks, D. R., Champion, G. T., Dewar, A. M., Hawes, C., Haughton, A. J., May, M. J., Scott, R. J., Stuart, R. S., Squire, G. R. and Firbank, L. G. 2006. Effects of successive seasons of genetically modified herbicide-tolerant maize cropping on weeds and invertebrates. Annals of Applied Biology - AAB. 149 (3), pp. 249-254. https://doi.org/10.1111/j.1744-7348.2006.00091.x

Which seed treatment? A resume of seed treatment options available to growers in 2007

G - Articles in popular magazines and other technical publications

Dewar, A. M. and Haylock, L. A. 2006. Which seed treatment? A resume of seed treatment options available to growers in 2007. British Sugar Beet Review. 74(4), pp. 6-8.

Nematodes of sugar beet part 3: stem and root-knot nematodes

G - Articles in popular magazines and other technical publications

Dewar, A. M. 2006. Nematodes of sugar beet part 3: stem and root-knot nematodes. British Sugar Beet Review. 74(2), pp. 52-54.

Pests and diseases in sugar beet in 2005

G - Articles in popular magazines and other technical publications

Dewar, A. M., Asher, M. J. C., Stevens, M., Harrington, R., Parker, S., Foster, S. and Denholm, I. 2006. Pests and diseases in sugar beet in 2005. British Sugar Beet Review. 74(1), pp. 22-27.

Pests

B - Book chapters etc edited externally

Dewar, A. M. and Cooke, D. A. 2006. Pests. in: Draycott, A. P. (ed.) Sugar beet Blackwell Publishing Oxford. pp. 316-358

Effects of genetically modified herbicide-tolerant cropping systems on weed seedbanks in two years of following crops

A - Papers appearing in refereed journals

Firbank, L. G., Rothery, P., May, M. J., Clark, S. J., Scott, R. J., Stuart, R. C., Boffey, C. W. H., Brooks, D. R., Champion, G. T., Haughton, A. J., Hawes, C., Heard, M. S., Dewar, A. M., Perry, J. N. and Squire, G. R. 2006. Effects of genetically modified herbicide-tolerant cropping systems on weed seedbanks in two years of following crops. Biology Letters. 2, pp. 140-143. https://doi.org/10.1098/rsbl.2005.0390

Forecasting virus yellows incidence in sugar beet - the post-Gaucho era

C1 - Edited contributions to conferences/learned societies

Qi, A., Dewar, A. M. and Harrington, R. 2005. Forecasting virus yellows incidence in sugar beet - the post-Gaucho era. Production and Protection of Sugar Beet and Potatoes. Aspects of Applied Biology 76 . pp. 87-94

Can GMHT beet contribute to sustainable crop production in Europe?

A - Papers appearing in refereed journals

Pidgeon, J. D., Dewar, A. M. and May, M. J. 2005. Can GMHT beet contribute to sustainable crop production in Europe? Advances in Sugar Beet Research. 6, pp. 153-158.

Management of genetically modified herbicide-tolerant sugar beet for spring and autumn environmental benefit (Previously published in Proc. R. Soc. Lond. B (2005) 273, 111-119)

A - Papers appearing in refereed journals

May, M. J., Champion, G. T., Dewar, A. M., Qi, A. and Pidgeon, J. D. 2005. Management of genetically modified herbicide-tolerant sugar beet for spring and autumn environmental benefit (Previously published in Proc. R. Soc. Lond. B (2005) 273, 111-119). Advances in Sugar Beet Research. 6, pp. 139-152.

Compatibility of neonicotinoid seed treatments with carbamate granules in sugar beet

C1 - Edited contributions to conferences/learned societies

Haylock, L. A., Garner, B. H. and Dewar, A. M. 2005. Compatibility of neonicotinoid seed treatments with carbamate granules in sugar beet. Proceedings BCPC International Congress - Crop Science and Technology, Glasgow, 31 October-2 November 2005 . pp. 843-848

A novel approach to the use of genetically modified herbicide tolerant crops for environmental benefit (Reprinted from Proc. R. Soc. Lond. B (2003) 270, 335-340)

A - Papers appearing in refereed journals

Dewar, A. M., May, M. J., Woiwod, I. P., Haylock, L. A., Champion, G. T., Garner, B. H., Sands, R. J. N., Qi, A. and Pidgeon, J. D. 2005. A novel approach to the use of genetically modified herbicide tolerant crops for environmental benefit (Reprinted from Proc. R. Soc. Lond. B (2003) 270, 335-340). Advances in Sugar Beet Research. 6, pp. 127-138.

Interaction of neonicotinoid seed treatments with lenacil herbicide applied to sugar beet

C1 - Edited contributions to conferences/learned societies

Dewar, A. M., Haylock, L. A., Garner, B. H. and May, M. J. 2005. Interaction of neonicotinoid seed treatments with lenacil herbicide applied to sugar beet. Proceedings BCPC International Congress - Crop Science and Technology, Glasgow, 31 October-2 November 2005 . pp. 883-888

Neonicotinoid seed treatments - the panacea for most pest problems in sugar beet

C1 - Edited contributions to conferences/learned societies

Dewar, A. M., Haylock, L. A., Garner, B. H., Sands, R. J. N. and Pilbrow, J. 2005. Neonicotinoid seed treatments - the panacea for most pest problems in sugar beet. Production and Protection of Sugar Beet and Potatoes. Aspects of Applied Biology 76 . pp. 3-12

Anticipating and combating the threat of resistance to neonicotinoid insecticides in aphids

C1 - Edited contributions to conferences/learned societies

Denholm, I., Foster, S., Gorman, K. J., Cox, D., Mitchinson, S. and Dewar, A. M. 2005. Anticipating and combating the threat of resistance to neonicotinoid insecticides in aphids. Proceedings BCPC International Congress - Crop Science and Technology, Glasgow, 31 October-2 November 2005 . pp. 175-180

The UK Farm Scale Evaluations of GM crops - a post script

G - Articles in popular magazines and other technical publications

Dewar, A. M., Champion, G. T., May, M. J. and Pidgeon, J. D. 2005. The UK Farm Scale Evaluations of GM crops - a post script. Outlooks on Pest Management. 16, pp. 164-173.

Pests and diseases in 2004

G - Articles in popular magazines and other technical publications

Dewar, A. M., Stevens, M. and Asher, M. J. C. 2005. Pests and diseases in 2004. British Sugar Beet Review. 73(1), pp. 2-7.

Beet cyst nematodes - a peril of the soil

G - Articles in popular magazines and other technical publications

Dewar, A. M. 2005. Beet cyst nematodes - a peril of the soil. British Sugar Beet Review. 73(2), pp. 40-46.

Impacts of reducing sugar beet production on the environment on farms in eastern England

G - Articles in popular magazines and other technical publications

Jaggard, K. W. and Dewar, A. M. 2005. Impacts of reducing sugar beet production on the environment on farms in eastern England.

Effects on weed and invertebrate abundance and diversity of herbicide management in genetically modified herbicide-tolerant winter-sown oilseed rape

A - Papers appearing in refereed journals

Bohan, D. A., Boffey, C. W. H., Brooks, D. R., Clark, S. J., Dewar, A. M., Firbank, L. G., Haughton, A. J., Hawes, C., Heard, M. S., May, M. J., Osborne, J. L., Perry, J. N., Rothery, P., Roy, D. B., Scott, R. J., Squire, G. R., Woiwod, I. P. and Champion, G. T. 2005. Effects on weed and invertebrate abundance and diversity of herbicide management in genetically modified herbicide-tolerant winter-sown oilseed rape. Proceedings of the Royal Society B: Biological Sciences. 272, pp. 463-474. https://doi.org/10.1098/rspb.2004.3049

Management of genetically modified herbicide-tolerant sugar beet for spring and autumn environmental benefit

A - Papers appearing in refereed journals

May, M. J., Champion, G. T., Dewar, A. M., Qi, A. and Pidgeon, J. D. 2005. Management of genetically modified herbicide-tolerant sugar beet for spring and autumn environmental benefit. Proceedings of the Royal Society of London Series B Biological Sciences. 272, pp. 111-119.

Nematodes in sugar beet

G - Articles in popular magazines and other technical publications

Dewar, A. M., Haylock, L. A. and Garner, B. H. 2004. Nematodes in sugar beet. British Sugar Beet Review. 72(4), pp. 9-13.

Can GMHT beet contribute to sustainable crop production in Europe?

G - Articles in popular magazines and other technical publications

Pidgeon, J. D., Dewar, A. M. and May, M. J. 2004. Can GMHT beet contribute to sustainable crop production in Europe? International Sugar Journal. 106, pp. 542-547.

The impact of insecticide resistance in the currant-lettuce aphid, Nasonovia ribisnigri , on pest management in lettuce

A - Papers appearing in refereed journals

Kift, N. B., Mead, A., Reynolds, K., Sime, S., Barber, M. D., Denholm, I. and Tatchell, G. M. 2004. The impact of insecticide resistance in the currant-lettuce aphid, Nasonovia ribisnigri , on pest management in lettuce. Agricultural and Forest Entomology. 6 (4), pp. 295-309. https://doi.org/10.1111/j.1461-9555.2004.00226.x

Can GMHT beet contribute to sustainable crop production in Europe?

C1 - Edited contributions to conferences/learned societies

Pidgeon, J. D., Dewar, A. M. and May, M. J. 2004. Can GMHT beet contribute to sustainable crop production in Europe? Proceedings 67th IIRB Congress, Brussels, 11-12 February 2004 . pp. 107-111

Environmental impact of GM herbicide-tolerant crops: the UK Farm Scale Evaluations and proposal for mitigation

G - Articles in popular magazines and other technical publications

Dewar, A. M., May, M. J. and Pidgeon, J. D. 2004. Environmental impact of GM herbicide-tolerant crops: the UK Farm Scale Evaluations and proposal for mitigation. ISB News Report. February 2004, pp. 2-5.

Which seed treatment? An appraisal of two new insecticide treatments for sugar beet

G - Articles in popular magazines and other technical publications

Dewar, A. M., Haylock, L. A. and Garner, B. H. 2004. Which seed treatment? An appraisal of two new insecticide treatments for sugar beet. British Sugar Beet Review. 72(2), pp. 26-32.

Decision making in controlling virus yellows of sugar beet in the UK

A - Papers appearing in refereed journals

Qi, A., Dewar, A. M. and Harrington, R. 2004. Decision making in controlling virus yellows of sugar beet in the UK. Pest Management Science. 60 (7), pp. 727-732. https://doi.org/10.1002/ps.871

A review of pest problems in 2003: was there a sting in the tale?

G - Articles in popular magazines and other technical publications

Stevens, M. and Dewar, A. M. 2004. A review of pest problems in 2003: was there a sting in the tale? British Sugar Beet Review. 72(1), pp. 12-17.

Wielding the MACE: recent events regarding resistance and the peach potato aphid, Myzus persicae

G - Articles in popular magazines and other technical publications

Waters, J. W., Denholm, I., Harrington, R., Foster, S. P., Parker, S. J. and Dewar, A. M. 2004. Wielding the MACE: recent events regarding resistance and the peach potato aphid, Myzus persicae. British Sugar Beet Review. 72(1), pp. 28-32.

Environmentally-friendly crop protection in GM herbicide-tolerant sugar beet

C1 - Edited contributions to conferences/learned societies

Dewar, A. M., Haylock, L. A., Garner, B. H., Sands, R. J. N. and May, M. J. 2003. Environmentally-friendly crop protection in GM herbicide-tolerant sugar beet. Proceedings 7th ICABR International Conference on Public Goods and Public Policy for Agricultural Biotechnology, Ravello, 29 June-3 July 2003 .

GM management for environmental benefit

C1 - Edited contributions to conferences/learned societies

Pidgeon, J. D., May, M. J. and Dewar, A. M. 2003. GM management for environmental benefit. Proceedings 7th ICABR International Conference on Public Goods and Public Policy for Agricultural Biotechnology, Ravello, 29 June-3 July 2003 .

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 April 2003

D1 - Technical reports: non-confidential

Firbank, L. G., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Fairfax, C., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rossall, M., Rothery, P., Roy, D., Scott, R., Squire, G., Whittaker, D. and Woiwod, I. P. 2003. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 April 2003.

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 November 2003

D1 - Technical reports: non-confidential

Firbank, L. G., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rothery, P., Roy, D., Scott, R., Squire, G. and Woiwod, I. P. 2003. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 November 2003.

Life without Temik: the final days

G - Articles in popular magazines and other technical publications

Dewar, A. M. 2003. Life without Temik: the final days. British Sugar Beet Review. 71(4), pp. 34-35.

The Farm Scale Evaluations of GMHT crops: what do the results mean for sugar beet?

G - Articles in popular magazines and other technical publications

Dewar, A. M., Champion, G. T., May, M. J. and Pidgeon, J. D. 2003. The Farm Scale Evaluations of GMHT crops: what do the results mean for sugar beet? Britsh Sugar Beet Review. 71(4), pp. 15-22.

Association of MACE-based insecticide resistance in Myzus persicae with reproductive rate, response to alarm pheromone and vulnerability to attack by Aphidius colemani

A - Papers appearing in refereed journals

Foster, S. P., Kift, N. B., Baverstock, J., Sime, S., Reynolds, K., Jones, J. E., Thompson, R. and Tatchell, G. M. 2003. Association of MACE-based insecticide resistance in Myzus persicae with reproductive rate, response to alarm pheromone and vulnerability to attack by Aphidius colemani. Pest Management Science. 59 (11), pp. 1169-1178. https://doi.org/10.1002/ps.751

The implications of spring-sown genetically modified herbicide-tolerant crops for farmland biodiversity: a commentary on the Farm Scale Evaluations of spring sown crops (DEFRA report)

D1 - Technical reports: non-confidential

Firbank, L. G., Perry, J. N., Squire, G. R., Bohan, D. A., Brooks, D. R., Champion, G. T., Clark, S. J., Daniels, R. E., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M. S., Hill, M. O., May, M. J., Osborne, J. L., Rothery, P., Roy, D. B., Scott, R. J. and Woiwod, I. P. 2003. The implications of spring-sown genetically modified herbicide-tolerant crops for farmland biodiversity: a commentary on the Farm Scale Evaluations of spring sown crops (DEFRA report).

Responses of plants and invertebrate trophic groups to contrasting herbicide regimes in the Farm Scale Evaluations of genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Hawes, C., Haughton, A. J., Osborne, J. L., Roy, D. B., Clark, S. J., Perry, J. N., Rothery, P., Bohan, D. A., Brooks, D. R., Champion, G. T., Dewar, A. M., Heard, M. S., Woiwod, I. P., Daniels, R. E., Young, M. W., Parish, A. M., Scott, R. J., Firbank, L. G. and Squire, G. R. 2003. Responses of plants and invertebrate trophic groups to contrasting herbicide regimes in the Farm Scale Evaluations of genetically modified herbicide-tolerant crops. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1899-1913. https://doi.org/10.1098/rstb.2003.1406

Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. II. Within-field epigeal and aerial arthropods

A - Papers appearing in refereed journals

Haughton, A. J., Champion, G. T., Hawes, C., Heard, M. S., Brooks, D. R., Bohan, D. A., Clark, S. J., Dewar, A. M., Firbank, L. G., Osborne, J. L., Perry, J. N., Rothery, P., Roy, D. B., Scott, R. J., Woiwod, I. P., Birchall, C., Skellern, M. P., Walker, J. H., Baker, P., Browne, E. L., Dewar, A. J. G., Garner, B. H., Haylock, L. A., Horne, S. L., Mason, N. S., Sands, R. J. N. and Walker, M. J. 2003. Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. II. Within-field epigeal and aerial arthropods. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1863-1877.

Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. I. Soil-surface-active invertebrates

A - Papers appearing in refereed journals

Brooks, D. R., Bohan, D. A., Champion, G. T., Haughton, A. J., Hawes, C., Heard, M. S., Clark, S. J., Dewar, A. M., Firbank, L. G., Perry, J. N., Rothery, P., Scott, R. J., Woiwod, I. P., Birchall, C., Skellern, M. P., Walker, J. H., Baker, P., Bell, D., Browne, E. L., Dewar, A. J. G., Fairfax, C. M., Garner, B. H., Haylock, L. A., Horne, S. L., Hulmes, S. E., Mason, N. S., Norton, L. R., Nuttall, P., Sands, R. J. N. and Walker, M. J. 2003. Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. I. Soil-surface-active invertebrates. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1847-1862. https://doi.org/10.1098/rstb.2003.1407

Might mite be a future sugar beet problem?

G - Articles in popular magazines and other technical publications

Haylock, L. A. and Dewar, A. M. 2003. Might mite be a future sugar beet problem? British Sugar Beet Review. 71(3), pp. 20-25.

Review of pests of sugar beet in 2002

G - Articles in popular magazines and other technical publications

Dewar, A. M. and Stevens, M. 2003. Review of pests of sugar beet in 2002. British Sugar Beet Review. 71(1), pp. 34-37.

A novel approach to the use of genetically modified herbicide tolerant crops for environmental benefit

A - Papers appearing in refereed journals

Dewar, A. M., May, M. J., Woiwod, I. P., Haylock, L. A., Champion, G. T., Garner, B. H., Sands, R. J. N., Qi, A. and Pidgeon, J. D. 2003. A novel approach to the use of genetically modified herbicide tolerant crops for environmental benefit. Proceedings of the Royal Society of London Series B Biological Sciences. 270, pp. 335-340.

The effect of clothianidin on aphids and virus yellows in sugar beet

G - Articles in popular magazines and other technical publications

Dewar, A. M., Haylock, L. A., Garner, B. H., Baker, P., Sands, R. J. N., Foster, S. P., Cox, D., Mason, N. and Denholm, I. 2003. The effect of clothianidin on aphids and virus yellows in sugar beet. Pflanzenschutz-Nachrichten Bayer. 56, pp. 127-146.

Effects of delayed weed control in genetically modified herbicide-tolerant sugar beet on the abundance and diversity of arthropods

C1 - Edited contributions to conferences/learned societies

Dewar, A. M., Haylock, L. A., Baker, P., Garner, B. H., Sands, R. J. N. and Woiwod, I. P. 2003. Effects of delayed weed control in genetically modified herbicide-tolerant sugar beet on the abundance and diversity of arthropods. Proceedings 1st Joint IIRB-ASSBT Congress, San Antonio, 26 February-1 March 2003 . pp. 387-398

Neonicotinoid seed treatments to control aphids and virus yellows in sugar beet

C1 - Edited contributions to conferences/learned societies

Dewar, A. M., Haylock, L. A., Garner, B. H., Baker, P. and Sands, R. J. N. 2003. Neonicotinoid seed treatments to control aphids and virus yellows in sugar beet. Proceedings 1st Joint IIRB-ASSBT Congress, San Antonio, 26 February-1 March 2003 . pp. 799-803

Trapped in 2002

G - Articles in popular magazines and other technical publications

Harrington, R., Parker, S. J., Taylor, M. S., Adamowicz, T., Cox, D. M., Foster, S. P., Denholm, I., Dewar, A. M. and Pickup, J. 2003. Trapped in 2002. British Sugar Beet Review. 71(1), pp. 12-17.

An introduction to the farm-scale evaluations of genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Firbank, L. G., Heard, M. S., Woiwod, I. P., Hawes, C., Haughton, A. J., Champion, G. T., Scott, R. J., Hill, M. O., Dewar, A. M., Squires, G. R., May, M. J., Brooks, D. R., Bohan, D. A., Daniels, R. E., Osborne, J. L., Roy, D. B., Black, H. I. J., Rothery, P. and Perry, J. N. 2003. An introduction to the farm-scale evaluations of genetically modified herbicide-tolerant crops. Journal of Applied Ecology. 40 (1), pp. 2-16. https://doi.org/10.1046/j.1365-2664.2003.00787.x

Management of GM herbicide-tolerant sugar beet for potential environmental benefit to farmland birds

G - Articles in popular magazines and other technical publications

Dewar, A. M., May, M. J. and Pidgeon, J. D. 2002. Management of GM herbicide-tolerant sugar beet for potential environmental benefit to farmland birds. Institute Of Arable Crops Research Annual Report. 2001-2002, pp. 44-47.

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 27 March 2002

D1 - Technical reports: non-confidential

Firbank, L. G., Bennett, S., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Norton, L., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rothery, P., Roy, D., Scott, R., Squire, G., Watkins, J., Whittaker, D. and Woiwod, I. P. 2002. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 27 March 2002.

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 November 2002

D1 - Technical reports: non-confidential

Firbank, L. G., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Fairfax, C., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rossall, M., Rothery, P., Roy, D., Scott, R., Squire, G., Whittaker, D. and Woiwod, I. P. 2002. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 November 2002.

Pests and diseases update in Europe - a report from the IIRB study group meeting in France

G - Articles in popular magazines and other technical publications

Stevens, M., Francis, S. A., Asher, M. J. C. and Dewar, A. M. 2002. Pests and diseases update in Europe - a report from the IIRB study group meeting in France. British Sugar Beet Review. 70(4), pp. 10-13.

The effect of late weed control in GM herbicide-tolerant sugar beet on the biodiversity of arthropods

C2 - Non-edited contributions to conferences

Dewar, A. M., Haylock, L. A., Garner, B. H., Sands, R. J. N., Baker, P. M. and May, M. J. 2002. The effect of late weed control in GM herbicide-tolerant sugar beet on the biodiversity of arthropods. Proceedings 12th European Weed Research Society Symposium, Wageningen, 24-27 June 2002 . pp. 100-101

The effect of clothianidin on aphids and virus yellows in sugar beet

C1 - Edited contributions to conferences/learned societies

Dewar, A. M., Haylock, L. A., Garner, B. H., Baker, P. M. and Sands, R. J. N. 2002. The effect of clothianidin on aphids and virus yellows in sugar beet. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2002 . pp. 647-652

The effects of insecticide seed treatments on beneficial invertebrates in sugar beet

C1 - Edited contributions to conferences/learned societies

Baker, P. M., Haylock, L. A., Garner, B. H., Sands, R. J. N. and Dewar, A. M. 2002. The effects of insecticide seed treatments on beneficial invertebrates in sugar beet. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2002 . pp. 653-658

The effect of dose rate of imidacloprid and clothianidin on insecticide-resistant clones of Myzus persicae (Sulzer)

C1 - Edited contributions to conferences/learned societies

Haylock, L. A., Dewar, A. M., Garner, B. H., Sands, R. J. N., Baker, P., Foster, S. P., Cox, D., Mason, N. and Denholm, I. 2002. The effect of dose rate of imidacloprid and clothianidin on insecticide-resistant clones of Myzus persicae (Sulzer). Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2002 . pp. 805-810

Outdoor lettuce: the control of aphids resistant to insecticides. Final report to the Horticultural Development Council

D1 - Technical reports: non-confidential

Denholm, I., Tatchell, G. M., Barber, M., Kift, N. and Moores, G. D. 2002. Outdoor lettuce: the control of aphids resistant to insecticides. Final report to the Horticultural Development Council.

Resistance to insecticides in the currant-lettuce aphid, Nasonovia ribisnigri : laboratory and field evidence

C1 - Edited contributions to conferences/learned societies

Barber, M. D., Moores, G. D., Denholm, I., Kift, N. B. and Tatchell, G. M. 2002. Resistance to insecticides in the currant-lettuce aphid, Nasonovia ribisnigri : laboratory and field evidence. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2002 . pp. 817-822

All you ever wanted to know about aphids in sugar beet, but were afraid to ask

G - Articles in popular magazines and other technical publications

Haylock, L. A. and Dewar, A. M. 2002. All you ever wanted to know about aphids in sugar beet, but were afraid to ask. British Sugar Beet Review. 70(2), pp. 44-48.

Temporal and spatial dynamics of insecticide resistance in Myzus persicae (Hemiptera: Aphididae)

A - Papers appearing in refereed journals

Foster, S. P., Harrington, R., Dewar, A. M., Denholm, I. and Devonshire, A. L. 2002. Temporal and spatial dynamics of insecticide resistance in Myzus persicae (Hemiptera: Aphididae). Pest Management Science. 58, pp. 895-907.

Why worry about insecticide-resistant aphids?

G - Articles in popular magazines and other technical publications

Foster, S. P., Denholm, I., Harrington, R. and Dewar, A. M. 2002. Why worry about insecticide-resistant aphids? British Sugar Beet Review. 70(2), pp. 20-29.

Biochemical characterisation of pirimicarb resistance in the currant-lettuce aphid, Nasonovia ribisnigri

C2 - Non-edited contributions to conferences

Barber, M. D., Moores, G. D., Kift, N., Tatchell, G. M. and Denholm, I. 2002. Biochemical characterisation of pirimicarb resistance in the currant-lettuce aphid, Nasonovia ribisnigri. Abstracts 10th IUPAC International Congress on the Chemistry of Crop Protection, Basel, 4-9 August 2002 . pp. 291

Pests of sugar beet in 2001

G - Articles in popular magazines and other technical publications

Dewar, A. M. and Stevens, M. 2002. Pests of sugar beet in 2001. British Sugar Beet Review. 70(1), pp. 12-17.

Insecticide resistance in the currant-lettuce aphid and aphid control in outdoor lettuce

G - Articles in popular magazines and other technical publications

Kift, N., Tatchell, G. M., Barber, M. and Denholm, I. 2002. Insecticide resistance in the currant-lettuce aphid and aphid control in outdoor lettuce. Vegetable Farmer. March 2002, pp. 16-18.

Forecasting aphid colonisation in outdoor salad crops

C2 - Non-edited contributions to conferences

Collier, R., Harrington, R. and Tatchell, G. M. 2001. Forecasting aphid colonisation in outdoor salad crops. Dedryver, C. A., Hulle, M., Rispe, C. and Simon, J. C. (ed.) Proceedings 6th International Symposium on Aphids: Aphids in a New Millennium, Rennes, 3-7 September 2001 . pp. 142

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 31 January 2001

D1 - Technical reports: non-confidential

Firbank, L. G., Bater, J., Bennett, S., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Norton, L., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rossall, M., Rothery, P., Roy, D., Scott, R., Squire, G., Watkins, J., Whittaker, D. and Woiwod, I. P. 2001. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 31 January 2001.

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 11 October 2001

D1 - Technical reports: non-confidential

Firbank, L. G., Bennett, S., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Norton, L., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rothery, P., Roy, D., Scott, R., Squire, G., Watkins, J., Whittaker, D. and Woiwod, I. P. 2001. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 11 October 2001.

Weed management for agricultural and environmental benefit in GMHT sugar beet

C1 - Edited contributions to conferences/learned societies

Pidgeon, J. D., Dewar, A. M. and May, M. J. 2001. Weed management for agricultural and environmental benefit in GMHT sugar beet. Proceedings Brighton Crop Protection Conference - Weeds, 2001 . pp. 373-380

Results of IIRB co-operative trials with insecticides in pelleted seed

C1 - Edited contributions to conferences/learned societies

Hermann, O., Wauters, A. and Dewar, A. M. 2001. Results of IIRB co-operative trials with insecticides in pelleted seed. Proceedings 64th IIRB Congress, Bruges, June 2001 . pp. 341-346

Novel seed treatments to control aphids and virus yellows in sugar beet

C1 - Edited contributions to conferences/learned societies

Dewar, A. M., Haylock, L. A., Bean, K. M., Garner, B. H., Sands, R. J. N. and Ecclestone, P. M. J. 2001. Novel seed treatments to control aphids and virus yellows in sugar beet. Seed Treatment: Challenges and Opportunities. BCPC Symposium Proceedings No. 76 . British Crop Protection Council (BCPC). pp. 33-40

Control of volunteer potatoes in GM herbicide-tolerant sugar beet and the consequences for populations of potato cyst nematodes

G - Articles in popular magazines and other technical publications

Dewar, A. M., Haylock, L. A., May, M. J., Beane, J. and Perry, R. N. 2001. Control of volunteer potatoes in GM herbicide-tolerant sugar beet and the consequences for populations of potato cyst nematodes. British Sugar Beet Review. 69(4), pp. 19-23.

Gaucho seed treatment - the English experience

G - Articles in popular magazines and other technical publications

Dewar, A. M. 2001. Gaucho seed treatment - the English experience. Tillage Farmer. 8(5), p. 8, 10, 21.

Spatial and temporal dynamics of insecticide resistance in Myzus persicae

C2 - Non-edited contributions to conferences

Foster, S. P., Harrington, R., Dewar, A. M. and Denholm, I. 2001. Spatial and temporal dynamics of insecticide resistance in Myzus persicae. Abstracts Resistance 2001, Harpenden, 24-26 September 2001 .

Managing insecticide resistance in lettuce aphids

G - Articles in popular magazines and other technical publications

Denholm, I., Barber, M., Tatchell, G. M. and Kift, N. 2001. Managing insecticide resistance in lettuce aphids. HDC News. No 75, pp. 16-17.

Pirimicarb resistance in the currant-lettuce aphid, Nasonovia ribisnigri : field control and characterisation of an esterase responsible

C2 - Non-edited contributions to conferences

Barber, M., Moores, G. D., Denholm, I., Kift, N. and Tatchell, G. M. 2001. Pirimicarb resistance in the currant-lettuce aphid, Nasonovia ribisnigri : field control and characterisation of an esterase responsible. Abstracts Resistance 2001, Harpenden, 24-26 September 2001 .

GMHT sugar beet - win:win scenarios for agricultural (sic) and the environment

C2 - Non-edited contributions to conferences

May, M. J., Dewar, A. M. and Pidgeon, J. D. 2001. GMHT sugar beet - win:win scenarios for agricultural (sic) and the environment. Posters Conference on Seeds of Opportunity: the Role of Biotechnology in Agriculture, London, 31 May-1 June 2001 .

Pests and diseases in the USA

G - Articles in popular magazines and other technical publications

Dewar, A. M., Francis, S. A., Asher, M. J. C. and Stevens, M. 2001. Pests and diseases in the USA. British Sugar Beet Review. 69(1), pp. 10-14.

Virus yellows forecasting in sugar beet and the impact of Gaucho

G - Articles in popular magazines and other technical publications

Qi, A., Dewar, A. M., Werker, A. R. and Harrington, R. 2001. Virus yellows forecasting in sugar beet and the impact of Gaucho. British Sugar Beet Review. 69 (1), pp. 36-39.

Wireworms and leatherjackets - the thugs of the soil environment

G - Articles in popular magazines and other technical publications

Dewar, A. M., Haylock, L. A. and Ecclestone, P. M. 2001. Wireworms and leatherjackets - the thugs of the soil environment. British Sugar Beet Review. 69(1), pp. 31-33.

Pests and diseases of sugar beet in 2000

G - Articles in popular magazines and other technical publications

Asher, M. J. C. and Dewar, A. M. 2001. Pests and diseases of sugar beet in 2000. British Sugar Beet Review. 69(1), pp. 21-25.

Glyphosate applied to volunteer potatoes in GM herbicide- tolerant sugar beet reduces populations of potato cyst nematodes

C2 - Non-edited contributions to conferences

Dewar, A. M., Haylock, L. A., May, M. J., Beane, J. and Perry, R. N. 2001. Glyphosate applied to volunteer potatoes in GM herbicide- tolerant sugar beet reduces populations of potato cyst nematodes. Abstracts 53rd International Symposium on Crop Protection, Ghent, 8 May 2001 . pp. 157

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 20 October 2000

D1 - Technical reports: non-confidential

Firbank, L. G., Bater, J., Bennett, S., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Glen, D. M., Haughton, A. J., Hawes, C., Heard, M., Hill, M., Maudsley, M. J., Marshall, E. J. P., May, M. J., Norton, L., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rossall, M., Rothery, P., Roy, D., Scott, R., Squire, G., Watkins, J., Whittaker, D. and Woiwod, I. P. 2000. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 20 October 2000. Department for Environment, Food & Rural Affairs (DEFRA).

Herbicide tolerant crops

G - Articles in popular magazines and other technical publications

May, M. J., Dewar, A. M. and Pidgeon, J. D. 2000. Herbicide tolerant crops.

Late control of weeds in GM herbicide-tolerant sugarbeet to reduce aphid attack

G - Articles in popular magazines and other technical publications

Dewar, A. M. 2000. Late control of weeds in GM herbicide-tolerant sugarbeet to reduce aphid attack. Antenna - Bulletin of the Royal Entomological Society. 24, pp. 69-70.

The ecology and control of the two-spotted spider mite, Tetranychus urticae in sugar beet

C1 - Edited contributions to conferences/learned societies

Dewar, A. M., Haylock, L. A., Bean, K. M., Garner, B. H. and Boyce, R. 2000. The ecology and control of the two-spotted spider mite, Tetranychus urticae in sugar beet. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2000 . pp. 913-918

Novel seed treatments to control soil pests of sugar beet

C1 - Edited contributions to conferences/learned societies

Dewar, A. M., Haylock, L. A., Bean, K. M. and Ecclestone, P. M. J. 2000. Novel seed treatments to control soil pests of sugar beet. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2000 . pp. 907-912

Understanding the soil pest complex

G - Articles in popular magazines and other technical publications

Dewar, A. M. 2000. Understanding the soil pest complex. British Sugar Beet Review. 68(4), pp. 11-14.

Use of transgenic glyphosate-tolerance in sugar beet to control aphids and potato cyst nematodes

C1 - Edited contributions to conferences/learned societies

Dewar, A. M., Haylock, L. A., Bean, K. M., May, M. J., Beane, J. and Perry, R. N. 2000. Use of transgenic glyphosate-tolerance in sugar beet to control aphids and potato cyst nematodes. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2000 . pp. 1229-1236

Farm-scale trials for studying the effects of GM herbicide-tolerant crops on farmland biodiversity in the UK

G - Articles in popular magazines and other technical publications

Woiwod, I. P., Dewar, A. M., Hawes, C. and Heard, M. 2000. Farm-scale trials for studying the effects of GM herbicide-tolerant crops on farmland biodiversity in the UK. Antenna - Bulletin of the Royal Entomological Society. 24, pp. 66-68.

Alate production by aphids on sugar beet: how likely is the evolution of sugar beet-specific biotypes?

A - Papers appearing in refereed journals

Williams, I. S., Dewar, A. M., Dixon, A. F. G. and Thornhill, W. A. 2000. Alate production by aphids on sugar beet: how likely is the evolution of sugar beet-specific biotypes? Journal of Applied Ecology. 37 (1), pp. 40-51. https://doi.org/10.1046/j.1365-2664.2000.00465.x

Glyphosate applied to genetically modified herbicide-tolerant sugar beet and 'volunteer' potatoes reduces populations of potato cyst nematodes and the number and size of daughter tubers

A - Papers appearing in refereed journals

Dewar, A. M., Haylock, L. A., May, M. J., Beane, J. and Perry, R. N. 2000. Glyphosate applied to genetically modified herbicide-tolerant sugar beet and 'volunteer' potatoes reduces populations of potato cyst nematodes and the number and size of daughter tubers. Annals of Applied Biology - AAB. 136, pp. 179-187.

Delayed control of weeds in glyphosate-tolerant sugar beet and the consequences on aphid infestation and yield

A - Papers appearing in refereed journals

Dewar, A. M., Haylock, L. A., Bean, K. M. and May, M. J. 2000. Delayed control of weeds in glyphosate-tolerant sugar beet and the consequences on aphid infestation and yield. Pest Management Science. 56 (4), pp. 345-350. https://doi.org/10.1002/(SICI)1526-4998(200004)56:4<345::AID-PS126>3.3.CO;2-P

GM sugar beet - the present situation

G - Articles in popular magazines and other technical publications

Dewar, A. M., May, M. J. and Pidgeon, J. D. 2000. GM sugar beet - the present situation. British Sugar Beet Review. 68(2), pp. 22-27.

Pests and diseases in sugar beet: a review of 1999

G - Articles in popular magazines and other technical publications

Dewar, A. M. and Asher, M. J. C. 2000. Pests and diseases in sugar beet: a review of 1999. British Sugar Beet Review. 68(1), pp. 11-17.

Control of pests by manipulation of weeds in GM herbicide-tolerant sugar beet

C1 - Edited contributions to conferences/learned societies

Dewar, A. M. 2000. Control of pests by manipulation of weeds in GM herbicide-tolerant sugar beet. Proceedings 63rd Congress of the Institut International de Recherches Betteravieres, Interlaken, February 2000 . pp. 187-198

Farm scale evaluation of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim Report. 3 March 2000

D1 - Technical reports: non-confidential

Firbank, L. G., Brooks, D., Champion, G., Daniels, R., Dewar, A. M., Dixon, M., Haughton, A. J., Hawes, C., Heard, M., Hill, M., Lutman, P. J. W., Maudsley, M., May, M. J., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rothery, P., Roy, D., Scott, R., Squire, G., Watkins, J. and Woiwod, I. P. 2000. Farm scale evaluation of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim Report. 3 March 2000.

Aphids join the resistance

G - Articles in popular magazines and other technical publications

Tatchell, G. M. and Denholm, I. 1999. Aphids join the resistance. Grower. 22 July 1999, pp. 20-21.

Insecticide resistance in the currant-lettuce aphid, Nasonovia ribisnegri (Hemiptera: Aphididae) in the UK

A - Papers appearing in refereed journals

Barber, M. D., Moores, G. D., Tatchell, G. M., Vice, W. E. and Denholm, I. 1999. Insecticide resistance in the currant-lettuce aphid, Nasonovia ribisnegri (Hemiptera: Aphididae) in the UK. Bulletin of Entomological Research. 89 (1), pp. 17-23. https://doi.org/10.1017/S0007485399000036

Factors affecting the relative abundance of two coexisting aphid species on sugar beet

A - Papers appearing in refereed journals

Williams, I. S., Van Der Werf, W., Dewar, A. M. and Dixon, A. F. G. 1999. Factors affecting the relative abundance of two coexisting aphid species on sugar beet. Agricultural and Forest Entomology. 1 (2), pp. 119-125. https://doi.org/10.1046/j.1461-9563.1999.00017.x

Vertical-Looking Radar: a powerful new tool for monitoring insect flight at altitude

C2 - Non-edited contributions to conferences

Chapman, J. W., Woiwod, I. P., Dewar, A. M., Reynolds, D. R., Smith, A. D. and Riley, J. R. 1999. Vertical-Looking Radar: a powerful new tool for monitoring insect flight at altitude. Abstracts British Ecological Society Winter and Annual General Meeting, Leeds, 20-22 December 1999 .

Vertical-Looking Radar: a powerful new tool for monitoring insect flight at altitude

C2 - Non-edited contributions to conferences

Chapman, J. W., Woiwod, I. P., Dewar, A. M., Reynolds, D. R., Smith, A. D. and Riley, J. 1999. Vertical-Looking Radar: a powerful new tool for monitoring insect flight at altitude. Abstracts 20th Symposium of the Royal Entomological Society: Insect Movement: Mechanisms and Consequences, London, 13-14 September 1999 .

Forty years of forecasting virus yellows incidence in sugar beet

B - Book chapters etc edited externally

Dewar, A. M. 1999. Forty years of forecasting virus yellows incidence in sugar beet. in: Smith, H. G. and Barker, H. (ed.) The Luteoviridae CABI International, Wallingford, Oxon (CABI). pp. 229-243

Farm-scale evaluation of GM crops explained

G - Articles in popular magazines and other technical publications

Firbank, L. G., Dewar, A. M., Hill, M. O., May, M. J., Perry, J. N., Rothery, P., Squire, G. R. and Woiwod, I. P. 1999. Farm-scale evaluation of GM crops explained. Nature. 399 (6738), pp. 727-728. https://doi.org/10.1038/21516

Rhizomania and other pests and diseases in 1998

G - Articles in popular magazines and other technical publications

Asher, M. J. C. and Dewar, A. M. 1999. Rhizomania and other pests and diseases in 1998. British Sugar Beet Review. 67(1), pp. 13-17.

Selection for a moderately resistant clone of Myzus persicae (Hemiptera: Aphididae) on sugarbeet in the absence of pesticides

A - Papers appearing in refereed journals

Williams, I. S., Haylock, L. A., Dewar, A. M. and Dixon, A. F. G. 1998. Selection for a moderately resistant clone of Myzus persicae (Hemiptera: Aphididae) on sugarbeet in the absence of pesticides. Bulletin of Entomological Research. 88 (6), pp. 653-658. https://doi.org/10.1017/S0007485300054328

The influence of size and duration of aphid infestation on host plant quality, and its effect on sugar beet yellowing virus epidemiology

A - Papers appearing in refereed journals

Williams, I. S., Dewar, A. M. and Dixon, A. F. G. 1998. The influence of size and duration of aphid infestation on host plant quality, and its effect on sugar beet yellowing virus epidemiology. Entomologia Experimentalis et Applicata. 89 (1), pp. 25-33. https://doi.org/10.1046/j.1570-7458.1998.00378.x

Modelling the incidence of virus yellows in sugar beet in the UK in relation to numbers of migrating Myzus persicae

A - Papers appearing in refereed journals

Werker, A. R., Dewar, A. M. and Harrington, R. 1998. Modelling the incidence of virus yellows in sugar beet in the UK in relation to numbers of migrating Myzus persicae. Journal of Applied Ecology. 35 (5), pp. 811-818. https://doi.org/10.1046/j.1365-2664.1998.355340.x

Species specific induced susceptibility in aphid plant interactions

C1 - Edited contributions to conferences/learned societies

Williams, I. S. and Dewar, A. M. 1998. Species specific induced susceptibility in aphid plant interactions. Dixon, A. F. G. and Nietonafria, J. M. (ed.) Aphids in natural and managed ecosystems . Universidad de Leon, Leon. pp. 317-322

Three into one will go - the evolution of resistance in the peach-potato aphid Myzus persicae

G - Articles in popular magazines and other technical publications

Dewar, A. M., Haylock, L. A., Foster, S. P., Devonshire, A. L. and Harrington, R. 1998. Three into one will go - the evolution of resistance in the peach-potato aphid Myzus persicae. British Sugar Beet Review. 66(4), pp. 14-19.

Control in sugar beet of Myzus persicae with different insecticide- resistance mechanisms

C1 - Edited contributions to conferences/learned societies

Dewar, A. M., Haylock, L. A., Campbell. J., Harling, Z., Foster, S. P. and Devonshire, A. L. 1998. Control in sugar beet of Myzus persicae with different insecticide- resistance mechanisms. Protection and Production of Sugar Beet and Potatoes. Aspects of Applied Biology 52 . pp. 407-414

Insecticide resistance detected in lettuce aphids

G - Articles in popular magazines and other technical publications

Denholm, I., Barber, M. D. and Tatchell, G. M. 1998. Insecticide resistance detected in lettuce aphids. HDC News. August 1998, p. 9.

Confirmation of insecticide resistance in UK populations of the currant-lettuce aphid, Nasonovia ribisnigri

C1 - Edited contributions to conferences/learned societies

Barber, M. D., Moores, G. D., Denholm, I., Tatchell, G. M. and Vice, W. E. 1998. Confirmation of insecticide resistance in UK populations of the currant-lettuce aphid, Nasonovia ribisnigri. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 1998 . pp. 485-490

Analyses of the stomach deposit that develops in Myzus persicae feeding on sugar beet

A - Papers appearing in refereed journals

Kift, N. B., Mellon, F. A., Dewar, A. M. and Dixon, A. F. G. 1998. Analyses of the stomach deposit that develops in Myzus persicae feeding on sugar beet. Physiological Entomology. 23 (4), pp. 347-353. https://doi.org/10.1046/j.1365-3032.1998.234099.x

Onset of a decline in the quality of sugarbeet as a host for the aphid Myzus persicae

A - Papers appearing in refereed journals

Kift, N. B., Dewar, A. M. and Dixon, A. F. G. 1998. Onset of a decline in the quality of sugarbeet as a host for the aphid Myzus persicae. Entomologia Experimentalis et Applicata. 88 (2), pp. 155-161. https://doi.org/10.1046/j.1570-7458.1998.00357.x

Modelling the incidence of virus yellows in sugar beet in relation to numbers of migrating Myzus persicae

C1 - Edited contributions to conferences/learned societies

Werker, A. R., Dewar, A. M. and Harrington, R. 1998. Modelling the incidence of virus yellows in sugar beet in relation to numbers of migrating Myzus persicae. Protection and Production of Sugar Beet and Potatoes. Aspects of Applied Biology 52 . pp. 115-120

Control of peach-potato aphids, Myzus persicae , containing modified acetylcholinesterase on sugar beet under field cages

C2 - Non-edited contributions to conferences

Dewar, A. M., Haylock, L. A., Harling, Z., Foster, S. P. and Devonshire, A. L. 1998. Control of peach-potato aphids, Myzus persicae , containing modified acetylcholinesterase on sugar beet under field cages. Abstracts 9th International Congress on Pesticide Chemistry: the Food-Environment Challenge, London, 2-7 August 1998 . pp. 4D-017

The flightless aphid

G - Articles in popular magazines and other technical publications

Williams, I. H. and Dewar, A. M. 1998. The flightless aphid. British Sugar Beet Review. 66(2), pp. 35-37.

The relative effects of drought stress and virus yellows on the yield of sugarbeet in the UK, 1980-95

A - Papers appearing in refereed journals

Jaggard, K. W., Dewar, A. M. and Pidgeon, J. D. 1998. The relative effects of drought stress and virus yellows on the yield of sugarbeet in the UK, 1980-95. The Journal of Agricultural Science. 130, pp. 337-343. https://doi.org/10.1017/S0021859698005371

Pests and diseases in sugar beet: a review of problems in 1997

G - Articles in popular magazines and other technical publications

Dewar, A. M. and Asher, M. J. C. 1998. Pests and diseases in sugar beet: a review of problems in 1997. British Sugar Beet Review. 66(1), pp. 32-35.

Movement and persistence of [14C]imidacloprid in sugar-beet plants following application to pelleted sugar-beet seed

A - Papers appearing in refereed journals

Westwood, F., Bean, K. M., Dewar, A. M., Bromilow, R. H. and Chamberlain, K. 1998. Movement and persistence of [14C]imidacloprid in sugar-beet plants following application to pelleted sugar-beet seed. Pesticide Science. 52 (2), pp. 97-103. https://doi.org/10.1002/(SICI)1096-9063(199802)52:2<97::AID-PS687>3.0.CO;2-#

The resistance of sugar beet to aphids

C1 - Edited contributions to conferences/learned societies

Williams, I. S., Kift, N. B., Dixon, A. F. G. and Dewar, A. M. 1997. The resistance of sugar beet to aphids. Proceedings 60th Congress of the Institut International de Recherches Betteravieres, Cambridge, July 1997 . pp. 595-599

Persistence of the selective aphicide triazamate in sugar beet in relation to its efficacy against aphids

C1 - Edited contributions to conferences/learned societies

Westwood, F., Bean, K. M. R., Dewar, A. M. and Haylock, L. A. 1997. Persistence of the selective aphicide triazamate in sugar beet in relation to its efficacy against aphids. Proceedings 60th Congress of the Institut International de Recherches Betteravieres, Cambridge, July 1997 . pp. 585-588

Monitoring and forecasting aphid vectors of beet viruses: a working system

C1 - Edited contributions to conferences/learned societies

Harrington, R., Dewar, A. M., Devonshire, A. L., Feather, M., Foster, S. P., Hallsworth, P. B., Harling, Z., Haylock, L. A., Parker, S. J. and Stevens, M. 1997. Monitoring and forecasting aphid vectors of beet viruses: a working system. Proceedings 60th Congress of the Institut International de Recherches Betteravieres, Cambridge, July 1997 . pp. 465-468

Pests of sugar beet in 1996 in the UK

G - Articles in popular magazines and other technical publications

Dewar, A. M. 1997. Pests of sugar beet in 1996 in the UK. Biatas - the Tillage Farmer. 4(6), pp. 12-14.

The effect of host plant-induced stomach precipitate on the ability of Myzus persicae (Hemiptera: Aphididae) to transmit sugarbeet yellowing viruses

A - Papers appearing in refereed journals

Williams, I. S., Dewar, A. M. and Dixon, A. F. G. 1997. The effect of host plant-induced stomach precipitate on the ability of Myzus persicae (Hemiptera: Aphididae) to transmit sugarbeet yellowing viruses. Bulletin of Entomological Research. 87 (6), pp. 643-647. https://doi.org/10.1017/S0007485300038748

Sugar beet production: strategies for the future

G - Articles in popular magazines and other technical publications

Miflin, B. J. and Dewar, A. M. 1997. Sugar beet production: strategies for the future. British Sugar Beet Review. 65(4), pp. 8-10.

In the shadow of Olympus

G - Articles in popular magazines and other technical publications

Dewar, A. M. 1997. In the shadow of Olympus. British Sugar Beet Review. 65(4), pp. 33-35.

Controlling virus yellows: how far does your Gaucho go?

G - Articles in popular magazines and other technical publications

Westwood, F., Bromilow, R. H. and Dewar, A. M. 1997. Controlling virus yellows: how far does your Gaucho go? British Sugar Beet Review. 65(3), pp. 39-42.

New insecticide sprays for sugar beet

G - Articles in popular magazines and other technical publications

Dewar, A. M. and Haylock, L. 1997. New insecticide sprays for sugar beet. British Sugar Beet Review. 65(1), pp. 37-39.

Pests and diseases of sugar beet: a review of 1996

G - Articles in popular magazines and other technical publications

Asher, M. J. C. and Dewar, A. M. 1997. Pests and diseases of sugar beet: a review of 1996. British Sugar Beet Review. 65(1), pp. 14-19.

The relationship between pellet size and the quantity of imidacloprid applied to sugar beet pellets and the consequences for seedling emergence

A - Papers appearing in refereed journals

Dewar, A. M., Westwood, F., Bean, K. M., Haylock, L. A. and Osborne, R. 1997. The relationship between pellet size and the quantity of imidacloprid applied to sugar beet pellets and the consequences for seedling emergence. Crop Protection. 16, pp. 187-192.

The effect of plant age and infection with virus yellows on the survival of Myzus persicae on sugar beet

A - Papers appearing in refereed journals

Kift, N. B., Dewar, A. M., Werker, A. R. and Dixon, A. F. G. 1996. The effect of plant age and infection with virus yellows on the survival of Myzus persicae on sugar beet. Annals of Applied Biology - AAB. 129 (3), pp. 371-378. https://doi.org/10.1111/j.1744-7348.1996.tb05761.x

The effect of insecticide seed treatments on pests of sugar beet in Europe: results of the IIRB co-operative trials with pesticides added to pelleted seed in 1991, 1992 and 1993

A - Papers appearing in refereed journals

Wauters, A. and Dewar, A. M. 1996. The effect of insecticide seed treatments on pests of sugar beet in Europe: results of the IIRB co-operative trials with pesticides added to pelleted seed in 1991, 1992 and 1993. Parasitica. 51, pp. 143-173.

Strategies for controlling aphids and virus yellows in sugar beet

C1 - Edited contributions to conferences/learned societies

Dewar, A. M., Haylock, L. A. and Ecclestone, P. M. J. 1996. Strategies for controlling aphids and virus yellows in sugar beet. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 1996 . pp. 185-190

The caterpillar returns - a report of the epidemic of silver-Y moth caterpillars in sugar beet

G - Articles in popular magazines and other technical publications

Dewar, A. M. and Haylock, L. A. 1996. The caterpillar returns - a report of the epidemic of silver-Y moth caterpillars in sugar beet. British Sugar Beet Review. 64(4), pp. 4-6.

The beet bites back

G - Articles in popular magazines and other technical publications

Kift, N. and Dewar, A. M. 1996. The beet bites back. British Sugar Beet Review. 64(3), pp. 18-21.

The effect of soil pests on seedling root growth and yield of sugar beet

C1 - Edited contributions to conferences/learned societies

Dewar, A. M. 1996. The effect of soil pests on seedling root growth and yield of sugar beet. Proceedings 59th Congress of the Institut International de Recherches Betteravieres, Brussels, February 1996 . pp. 229-237

Pest and disease problems in Chile: what lessons can be learnt?

G - Articles in popular magazines and other technical publications

Stevens, M. and Dewar, A. M. 1996. Pest and disease problems in Chile: what lessons can be learnt? British Sugar Beet Review. 64(2), pp. 34-38.

Strategies for controlling virus yellows in sugar beet

G - Articles in popular magazines and other technical publications

Dewar, A. M., Haylock, L. and Ecclestone, P. 1996. Strategies for controlling virus yellows in sugar beet. British Sugar Beet Review. 64(2), pp. 44-48.

Nature - red in tooth and claw: the predators of aphids in sugar beet

G - Articles in popular magazines and other technical publications

Dewar, A. M. 1996. Nature - red in tooth and claw: the predators of aphids in sugar beet. Tillage Farmer. 3(6), pp. 10-12.

Pest problems in sugar beet in the UK in 1995

G - Articles in popular magazines and other technical publications

Dewar, A. M. 1996. Pest problems in sugar beet in the UK in 1995. Tillage Farmer. 3(5), pp. 10-12.

The effect of temperature and inoculation access period on the transmission of barley yellow dwarf virus by Rhopalosiphum padi (L.) and Sitobion avenae (F.)

A - Papers appearing in refereed journals

Lowles, A. J., Tatchell, G. M., Harrington, R. and Clark, S. J. 1996. The effect of temperature and inoculation access period on the transmission of barley yellow dwarf virus by Rhopalosiphum padi (L.) and Sitobion avenae (F.). Annals of Applied Biology - AAB. 128 (1), pp. 45-53. https://doi.org/10.1111/j.1744-7348.1996.tb07088.x

Sugar beet pests and diseases review of 1995

G - Articles in popular magazines and other technical publications

Dewar, A. M. and Asher, M. J. C. 1996. Sugar beet pests and diseases review of 1995. British Sugar Beet Review. 64(1), pp. 28-32.

Cold wind deals big blow for virus yellows

G - Articles in popular magazines and other technical publications

Dewar, A. M. and Harrington, R. 1996. Cold wind deals big blow for virus yellows. Arable Farming. 23(7), pp. 5-6.

Adaptive significance of changes in morph production during the transition from parthenogenetic to sexual reproduction in the aphid Rhopalosiphum padi (Homoptera: Aphididae)

A - Papers appearing in refereed journals

Austin, A. B. M., Tatchell, G. M., Harrington, R. and Bale, J. S. 1996. Adaptive significance of changes in morph production during the transition from parthenogenetic to sexual reproduction in the aphid Rhopalosiphum padi (Homoptera: Aphididae). Bulletin of Entomological Research. 86 (2), pp. 93-99. https://doi.org/10.1017/S0007485300052317

Predicting spring migration of the damson-hop aphid Phorodon humuli (Homoptera: Aphididae) from historical records of host-plant flowering phenology and weather

A - Papers appearing in refereed journals

Worner, S. P., Tatchell, G. M. and Woiwod, I. P. 1995. Predicting spring migration of the damson-hop aphid Phorodon humuli (Homoptera: Aphididae) from historical records of host-plant flowering phenology and weather. Journal of Applied Ecology. 32 (1), pp. 17-28. https://doi.org/10.2307/2404412

Determination of factors affecting grain aphid movement with reference to spread of BYDV in the autumn and winter and forecasting direct damage in summer. Home-Grown Cereals Authority Project Report No. 110

D1 - Technical reports: non-confidential

Mann, J. A., Harrington, R., Tatchell, G. M., Oakley, J. N., Tones, S., Ellis, S., Watling, M. and Walters, K. 1995. Determination of factors affecting grain aphid movement with reference to spread of BYDV in the autumn and winter and forecasting direct damage in summer. Home-Grown Cereals Authority Project Report No. 110. London, H-GCA.

Study of the uptake of [14C]imidacloprid in sugar beet

C1 - Edited contributions to conferences/learned societies

Westwood, F., Bean, K. M. R., Dewar, A. M. and Bromilow, R. H. 1995. Study of the uptake of [14C]imidacloprid in sugar beet. Proceedings 58th Congress of the Institut International de Recherches Betteravieres, Beaune, June 1995 . pp. 383-388

The long, hot summer spawns a red menace - red spider mites in sugar beet in 1995

G - Articles in popular magazines and other technical publications

Dewar, A. M. and Haylock, L. A. 1995. The long, hot summer spawns a red menace - red spider mites in sugar beet in 1995. British Sugar Beet Review. 63(4), pp. 20-22.

Control of resistant aphids in sugar beet

C1 - Edited contributions to conferences/learned societies

Dewar, A. M. and Devonshire, A. L. 1995. Control of resistant aphids in sugar beet. Proceedings 58th Congress of the Institut International de Recherches Betteravieres, Beaune, June 1995 . pp. 255-264

Virus yellows in sugar beet in Europe in 1994

G - Articles in popular magazines and other technical publications

Dewar, A. M. 1995. Virus yellows in sugar beet in Europe in 1994. Biatas - the Tillage Farmer. 2(5), pp. 8-10.

Virus yellows epidemic threatens beet crop

G - Articles in popular magazines and other technical publications

Dewar, A. M. 1995. Virus yellows epidemic threatens beet crop. Arable Farming. 25 April 1995, pp. 4-6.

Pest and disease review of 1994

G - Articles in popular magazines and other technical publications

Asher, M. J. A. and Dewar, A. M. 1995. Pest and disease review of 1994. British Sugar Beet Review. 63(1), pp. 34-38.

The 1995 IIRB congress in France

G - Articles in popular magazines and other technical publications

Longden, P. and Dewar, A. M. 1995. The 1995 IIRB congress in France. British Sugar Beet Review. 63(3), pp. 18-20.

Recent progress in sugar-beet seed research

B - Book chapters etc edited externally

Thomas, T. H., Asher, M. J. C. and Dewar, A. M. 1995. Recent progress in sugar-beet seed research. in: F.O. Licht World Sugar and Sweetener Yearbook 1995 F. O. Licht GmbH, Ratzeburg. pp. F5-F22

Drought stress and cereal aphid performance

A - Papers appearing in refereed journals

Pons, X. and Tatchell, G. M. 1995. Drought stress and cereal aphid performance. Annals of Applied Biology - AAB. 126 (1), pp. 19-31. https://doi.org/10.1111/j.1744-7348.1995.tb05000.x

Movement of apterous Sitobion avenae (Homoptera:Aphididae) in response to leaf disturbances caused by wind and rain

A - Papers appearing in refereed journals

Mann, J. A., Tatchell, G. M., Dupuch, M. J., Harrington, R., Clark, S. J. and McCartney, H. A. 1995. Movement of apterous Sitobion avenae (Homoptera:Aphididae) in response to leaf disturbances caused by wind and rain. Annals of Applied Biology - AAB. 126 (3), pp. 417-427. https://doi.org/10.1111/j.1744-7348.1995.tb05376.x

Aphids in a changing climate

B - Book chapters etc edited externally

Bale, J. S. and Tatchell, G. M. 1995. Aphids in a changing climate. in: Harrington, R. and Stork, N. E. (ed.) Insects in a changing environment Academic Press, London. pp. 125-155

IIRB Pests and Disease Group meeting 1994

G - Articles in popular magazines and other technical publications

Dewar, A. M. 1994. IIRB Pests and Disease Group meeting 1994. British Sugar Beet Review. 62(4), pp. 22-23.

Control of pests and diseases in sugar beet by seed treatments

C1 - Edited contributions to conferences/learned societies

Asher, M. J. C. and Dewar, A. M. 1994. Control of pests and diseases in sugar beet by seed treatments. Seed treatment: progress and prospects. British Crop Protection Council Monograph 57 . British Crop Protection Council (BCPC). pp. 151-158

The virus yellows warning scheme - an integrated pest management system for sugar beet in the UK

B - Book chapters etc edited externally

Dewar, A. M. 1994. The virus yellows warning scheme - an integrated pest management system for sugar beet in the UK. in: Watt, A. D., Walters, K. F. A., Mills, N. J. and Leather, S. R. (ed.) Individuals, populations and patterns in ecology Intercept Ltd Andover, Hampshire England. pp. 173-185

Effect of triazamate on resistant Myzus persicae on sugar beet under field cages

C1 - Edited contributions to conferences/learned societies

Dewar, A. M., Haylock, L. A., Chapman, J. W., Devine, G. J., Harling, Z. and Devonshire, A. L. 1994. Effect of triazamate on resistant Myzus persicae on sugar beet under field cages. Brighton Crop Protection Conference - Pests and Diseases, 1994 . pp. 407-412

Detection of viruses and insecticide resistance in sugar beet aphids caught in suction traps

C1 - Edited contributions to conferences/learned societies

Stevens, M., Smith, H. G., Hallsworth, P. B., Haylock, L. A., Dewar, A. M., Devine, G. J., Harrington, R., Parker, S., Tatchell, G. M. and Devonshire, A. L. 1994. Detection of viruses and insecticide resistance in sugar beet aphids caught in suction traps. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 1994 . pp. 917-922

A European perspective on pesticide seed treatments in sugar beet

G - Articles in popular magazines and other technical publications

Dewar, A. M. and Asher, M. J. C. 1994. A European perspective on pesticide seed treatments in sugar beet. Pesticide Outlook. 5(3), pp. 11-17.

Pesticide seed treatments prove their worth in sugar beet

G - Articles in popular magazines and other technical publications

Ecclestone, P., Armstrong, M. J., Dewar, A. M. and Haylock, L. 1994. Pesticide seed treatments prove their worth in sugar beet. British Sugar Beet Review. 62(2), pp. 17-20.

Unharvested beet could pose virus yellows threat to this season's sugarbeet crop

G - Articles in popular magazines and other technical publications

Dewar, A. M. 1994. Unharvested beet could pose virus yellows threat to this season's sugarbeet crop. Arable Farming Plus. April 1994, pp. 18-22.

Pest and disease review of 1993

G - Articles in popular magazines and other technical publications

Dewar, A. M. and Asher, M. J. C. 1994. Pest and disease review of 1993. British Sugar Beet Review. 62(1), pp. 16-18.

The effect of pellet weight on the distribution of imidacloprid applied to sugar-beet pellets

C1 - Edited contributions to conferences/learned societies

Westwood, F., Bean, K. M. and Dewar, A. M. 1994. The effect of pellet weight on the distribution of imidacloprid applied to sugar-beet pellets. Seed treatment: progress and prospects. British Crop Protection Council Monograph 57 . British Crop Protection Council (BCPC). pp. 403-408

Long term trends in aphid flight phenology consistent with global warming: methods and some preliminary results

B - Book chapters etc edited externally

Fleming, R. A. and Tatchell, G. M. 1994. Long term trends in aphid flight phenology consistent with global warming: methods and some preliminary results. in: Watt, A. D., Walters, K. F. A., Mills, N. J. and Leather, S. R. (ed.) Individuals, populations and patterns in ecology Intercept Ltd Andover, Hampshire England. pp. 63-71

Morph identification in natural populations of alate female bird cherry aphids, Rhopalosiphum padi L., by multivariate methods

A - Papers appearing in refereed journals

Taylor, M. S., Tatchell, G. M. and Clark, S. J. 1994. Morph identification in natural populations of alate female bird cherry aphids, Rhopalosiphum padi L., by multivariate methods. Annals of Applied Biology - AAB. 125 (1), pp. 1-11. https://doi.org/10.1111/j.1744-7348.1994.tb04941.x

Sugar beet under analysis: the search for pesticide residues

G - Articles in popular magazines and other technical publications

Westwood, F. and Dewar, A. M. 1993. Sugar beet under analysis: the search for pesticide residues. British Sugar Beet Review. 61(2), pp. 38-40.

Profile on imidacloprid - another new seed treatment for sugar beet pest control

G - Articles in popular magazines and other technical publications

Dewar, A. M., Read, L. A., Prince, J. and Ecclestone, P. 1993. Profile on imidacloprid - another new seed treatment for sugar beet pest control. British Sugar Beet Review. 61(3), pp. 5-8.

Efficacy of insecticide sprays against the larvae of Mangold fly (Pegomya hyoscyami ) in sugar beet

D1 - Technical reports: non-confidential

Dewar, A. M. and Read, L. A. 1993. Efficacy of insecticide sprays against the larvae of Mangold fly (Pegomya hyoscyami ) in sugar beet. Wiley.

The stage is set for virus yellows epidemic

G - Articles in popular magazines and other technical publications

Dewar, A. M. 1993. The stage is set for virus yellows epidemic. Arable Farming Plus. April, pp. 24-26.

The increasing menace of leatherjackets, wireworms and slugs in sugar beet

G - Articles in popular magazines and other technical publications

Dewar, A. M. 1993. The increasing menace of leatherjackets, wireworms and slugs in sugar beet. British Sugar Beet Review. 61(4), pp. 24-26.

A review of virus yellows incidence in the UK in 1992

G - Articles in popular magazines and other technical publications

Dewar, A. M. 1993. A review of virus yellows incidence in the UK in 1992. Biatas - the Tillage Farmer. 47(5), pp. 14-18.

Aphid and virus dynamics to improve forecasts of barley yellow dwarf virus. Interim report to the Home-Grown Cereals Authority

D1 - Technical reports: non-confidential

Smith, A. J., Harrington, R. and Tatchell, G. M. 1993. Aphid and virus dynamics to improve forecasts of barley yellow dwarf virus. Interim report to the Home-Grown Cereals Authority.

Inheritance of photoperiodic responses in the bird cherry aphid, Rhopalosiphum padi

C2 - Non-edited contributions to conferences

Chauhan, G., Hardie, J., Harrington, R. and Tatchell, G. M. 1993. Inheritance of photoperiodic responses in the bird cherry aphid, Rhopalosiphum padi. Abstracts 4th International Symposium on Aphids: Critical Issues in Aphid Biology, Ceske Budejovice, Czech Republic, 30 August-3 September 1993 . pp. 7

Monitoring aphids and virus to improve forecasts of barley yellow dwarf virus. Final report on Home-Grown Cereals Authority project no. 0003/3/89

D1 - Technical reports: non-confidential

Tatchell, G. M., Hill, S. A., Tones, S., Barker, I. and Smith, A. J. 1993. Monitoring aphids and virus to improve forecasts of barley yellow dwarf virus. Final report on Home-Grown Cereals Authority project no. 0003/3/89. H-GCA, London.

Catching up on aphids

G - Articles in popular magazines and other technical publications

Tatchell, G. M. 1993. Catching up on aphids. Agronomist. 2, pp. 2-3.

Comparisons of granular pesticides for the control of soil-inhabiting arthropod pests of sugar beet

A - Papers appearing in refereed journals

Winder, G. H., Dewar, A. M. and Dunning, R. A. 1993. Comparisons of granular pesticides for the control of soil-inhabiting arthropod pests of sugar beet. Crop Protection. 12, pp. 148-154.

Controlling sugar beet's aphid threat

G - Articles in popular magazines and other technical publications

Dewar, A. M. 1992. Controlling sugar beet's aphid threat. Shell agriculture. 13, pp. 17-20.

The effect of imidacloprid on the mortality and behaviour of the aphid vectors of barley yellow dwarf virus

D1 - Technical reports: non-confidential

Tatchell, G. M. and Hughes, K. 1992. The effect of imidacloprid on the mortality and behaviour of the aphid vectors of barley yellow dwarf virus. Confidential report to Bayer UK Limited.

The assessment of resistance and detection of viruses in aphids on sugar beet as an aid towards rationalisation of pesticide use

C2 - Non-edited contributions to conferences

Dewar, A. M. and Stevens, M. 1992. The assessment of resistance and detection of viruses in aphids on sugar beet as an aid towards rationalisation of pesticide use. Abstracts Viruses, Vectors and the Environment. ISPP 5th International Plant Epidemiology Symposium, Valenzano (Bari), Italy, 27-31 July 1992 . pp. 199-200

The use of ELISA techniques to aid forecasting and control of aphids in sugar beet

C1 - Edited contributions to conferences/learned societies

Dewar, A. M. 1992. The use of ELISA techniques to aid forecasting and control of aphids in sugar beet. Proceedings 19th International Congress of Entomology, Beijing, 1992 . pp. 364

Incidence and control of virus yellows in sugar beet in England

G - Articles in popular magazines and other technical publications

Dewar, A. M. 1992. Incidence and control of virus yellows in sugar beet in England. Biatas - the Tillage Farmer. 46(2), pp. 12-15.

Production and Protection of Sugar Beet. Aspects of Applied Biology 32

E - Books edited/written by staff member, alone/with others

Asher, M. J. C., Dewar, A. M., Heath, M. C. and Jaggard, K. W. May, M. J. (ed.) 1992. Production and Protection of Sugar Beet. Aspects of Applied Biology 32. Association of Applied Biologists, Wellesbourne.

Vector aphid morph and its relevance to barley yellow dwarf virus infection and spread

C2 - Non-edited contributions to conferences

Tatchell, G. M. 1992. Vector aphid morph and its relevance to barley yellow dwarf virus infection and spread. Abstracts Viruses, Vectors and the Environment. ISPP 5th International Plant Epidemiology Symposium, Valenzano (Bari), Italy, 27-31 July 1992 . pp. 217

Influence of imidacloprid on the behaviour and mortality of aphids: vectors of barley yellow dwarf virus

A - Papers appearing in refereed journals

Tatchell, G. M. 1992. Influence of imidacloprid on the behaviour and mortality of aphids: vectors of barley yellow dwarf virus. Pflanzenschutz-Nachrichten Bayer. 45, pp. 409-422.

Comparative phenologies of two migrant cereal aphid species

A - Papers appearing in refereed journals

Clark, S. J., Tatchell, G. M., Perry, J. N. and Woiwod, I. P. 1992. Comparative phenologies of two migrant cereal aphid species. Journal of Applied Ecology. 29 (3), pp. 571-580. https://doi.org/10.2307/2404464

Towards integrated control of aphids and virus yellows in sugar beet

G - Articles in popular magazines and other technical publications

Dewar, A. M. 1992. Towards integrated control of aphids and virus yellows in sugar beet. British Sugar Beet Review. 60(4), p. 28.

The yin and yang of Chinese sugar beet production

G - Articles in popular magazines and other technical publications

Dewar, A. M. and Thomas, T. H. 1992. The yin and yang of Chinese sugar beet production. British Sugar Beet Review. 60(4), pp. 36-39.

Effects of imidacloprid on aphids and virus yellows in sugar beet

G - Articles in popular magazines and other technical publications

Dewar, A. M. 1992. Effects of imidacloprid on aphids and virus yellows in sugar beet. Pflanzenschutz-Nachrichten Bayer. 45, pp. 423-442.

Monitoring insecticide resistance of aphids in sugar beet and potatoes in England and Wales 1982-1991

C1 - Edited contributions to conferences/learned societies

Hockland, S., Hines, C., Furk, C., Devonshire, A. L., Devine, G. J., Dewar, A. M. and Read, L. A. 1992. Monitoring insecticide resistance of aphids in sugar beet and potatoes in England and Wales 1982-1991. Production and Protection of Sugar Beet. Aspects of Applied Biology .

Spread and infectivity of aphid vectors of barley yellow dwarf virus in autumn in southern England, 1988-1990

A - Papers appearing in refereed journals

Tatchell, G. M. and Plumb, R. T. 1992. Spread and infectivity of aphid vectors of barley yellow dwarf virus in autumn in southern England, 1988-1990. Pflanzenschutz-Nachrichten Bayer. 45, pp. 443-454.

The effects of pellet type, and insecticides applied to the pellets on plant establishment and pest incidence in sugar beet in some European countries

C1 - Edited contributions to conferences/learned societies

Dewar, A. M. 1992. The effects of pellet type, and insecticides applied to the pellets on plant establishment and pest incidence in sugar beet in some European countries. Proceedings 55th Winter Congress International Institute for Sugar Beet Research, Brussels, February 1992. pp. 89-112

Effect of imidacloprid on transmission of viruses by aphids in sugar beet

C1 - Edited contributions to conferences/learned societies

Dewar, A. M., Read, L. A., Hallsworth, P. B. and Smith, H. G. 1992. Effect of imidacloprid on transmission of viruses by aphids in sugar beet. Proceedings Brighton Crop Protection Conference - Pests and Diseases,1992 . pp. 563-568

Pests of Chenopodiaceous crops

B - Book chapters etc edited externally

Cooke, D. A. and Dewar, A. M. 1992. Pests of Chenopodiaceous crops. in: Mckinlay, R. G. (ed.) Vegetable crop pests Macmillan Press Basingstoke Hampshire. pp. 28-73

Forecasting based on 20 years data on populations of Aphis fabae in Southern England - the significance of weather

C2 - Non-edited contributions to conferences

Way, M., Cammell, M. and Tatchell, G. M. 1992. Forecasting based on 20 years data on populations of Aphis fabae in Southern England - the significance of weather. Abstracts AAB Presidential Meeting Monitoring and Forecasting to Improve Crop and Environment Protection, Rennes, September 1992 . pp. 13

The value of statistical models in aphid forecasting

C1 - Edited contributions to conferences/learned societies

Harrington, R., Dewar, A. M., Howling, G. G. and Bale, J. S. 1992. The value of statistical models in aphid forecasting. Proceedings Brighton Crop Protection Conference - Pests and Diseases,1992 . pp. 965-972

The possible effects of climate change on aphid-transmitted viruses of temperate crops

C2 - Non-edited contributions to conferences

Tatchell, G. M. and Plumb, R. T. 1992. The possible effects of climate change on aphid-transmitted viruses of temperate crops. Abstracts Viruses, Vectors and the Environment. ISPP 5th International Plant Virus Epidemiology Symposium, Valenzano, (Bari), Italy, 27-31 July 1992. pp. 117

Long term study of possible climatic effects on aphid flight phenology

C2 - Non-edited contributions to conferences

Fleming, R. A. and Tatchell, G. M. 1992. Long term study of possible climatic effects on aphid flight phenology. Abstracts Conference on Individuals, Populations and Patterns, University of East Anglia, Norwich, September 1992. pp. 5

Variations in life cycle strategies of the aphid Rhopalosiphum padi and their implications for forecasting

C2 - Non-edited contributions to conferences

Tatchell, G. M. 1992. Variations in life cycle strategies of the aphid Rhopalosiphum padi and their implications for forecasting. Abstracts AAB Presidential Meeting Monitoring and Forecasting to Improve Crop and Environment Protection, Rennes, September 1992 . Association of Applied Biologists (AAB) Wellesbourne Warwick . pp. 23

Monitoring vector aphid dynamics

D1 - Technical reports: non-confidential

Tatchell, G. M. 1992. Monitoring vector aphid dynamics.

The Rothamsted insect survey: an approach to aphid research

G - Articles in popular magazines and other technical publications

Tatchell, G. M. 1992. The Rothamsted insect survey: an approach to aphid research. Arable Research Institute Association Newsletter.

Aphid life cycle strategies in a changing environment: the implications for barley yellow dwarf virus epidemiology

C2 - Non-edited contributions to conferences

Tatchell, G. M. 1992. Aphid life cycle strategies in a changing environment: the implications for barley yellow dwarf virus epidemiology.

Rothamsted Insect Survey twenty-second annual summary

D1 - Technical reports: non-confidential

Woiwod, I. P., Tatchell, G. M., Dupuch, M. J., Parker, S. J., Riley, A. M. and Taylor, M. S. 1992. Rothamsted Insect Survey twenty-second annual summary. Lawes Agricultural Trust, (LAT) Harpenden.

The effect of imidacloprid on the behaviour and mortality of aphid vectors of barley yellow dwarf virus

C2 - Non-edited contributions to conferences

Tatchell, G. M. 1992. The effect of imidacloprid on the behaviour and mortality of aphid vectors of barley yellow dwarf virus. Symposium Beitrage zum Wirkungsmechanismus und zur Wirkungsweise von Imidacloprid, Pflanzenschutzzentrum Monheim, March 1992. pp. Abstract

FLYPAST. An information management system of the Rothamsted aphid database to aid pest control research and advice

A - Papers appearing in refereed journals

Knight, J. D., Tatchell, G. M., Norton, G. A. and Harrington, R. 1992. FLYPAST. An information management system of the Rothamsted aphid database to aid pest control research and advice. Crop Protection. 11, pp. 419-426.

Effect of established and novel aphicides on resistant Myzus persicae (Sulz.) on sugar beet under field cages

A - Papers appearing in refereed journals

Dewar, A. M., Read, L. A., Thornhill, W. A., Smith, S. D. and Devonshire, A. L. 1992. Effect of established and novel aphicides on resistant Myzus persicae (Sulz.) on sugar beet under field cages. Crop Protection. 11, pp. 21-26.

A method for rearing cereal aphids in a small space

A - Papers appearing in refereed journals

Austin, A. B. M., Tatchell, G. M., Harrington, R. and Bale, J. S. 1991. A method for rearing cereal aphids in a small space. Entomologia Experimentalis et Applicata. 61 (1), pp. 91-93.

Flight behaviour of the bird cherry aphid, Rhopalosiphum padi

A - Papers appearing in refereed journals

Nottingham, S. F., Hardie, J. and Tatchell, G. M. 1991. Flight behaviour of the bird cherry aphid, Rhopalosiphum padi. Physiological Entomology. 16 (2), pp. 223-229. https://doi.org/10.1111/j.1365-3032.1991.tb00559.x

Control of virus yellows in sugar beet

A - Papers appearing in refereed journals

Dewar, A. M. 1991. Control of virus yellows in sugar beet. Hardi Rama - Sprayer and Crop Protection Magazine.

Brighton 1990: a report from the Brighton Crop Protection Conference on Pests and Diseases

G - Articles in popular magazines and other technical publications

Dewar, A. M. and Winder, G. H. 1991. Brighton 1990: a report from the Brighton Crop Protection Conference on Pests and Diseases. British Sugar Beet Review. 59(1), pp. 26-27.

Monitoring and forecasting aphid problems

C1 - Edited contributions to conferences/learned societies

Tatchell, G. M. 1991. Monitoring and forecasting aphid problems. Peters, D. C., Chlouber, C. S. and Webster, J. A. (ed.) Aphid-plant Interactions: Populations to Molecules, Proceedings of an OSU Centenniel Event, Stillwater, Oklahoma, August 12-17, 1990. Oklahoma State University, Stillwater. pp. 215-231

Monitoring and forecasting aphid problems

B - Book chapters etc edited externally

Tatchell, G. M. 1991. Monitoring and forecasting aphid problems. in: Peters, D. C. and Webster, J. A. (ed.) in Aphid-plant interactions: populations to molecules

The effects of tefluthrin on beneficial insects in sugar beet

C1 - Edited contributions to conferences/learned societies

Dewar, A. M., Thornhill, W. A. and Read, L. A. 1990. The effects of tefluthrin on beneficial insects in sugar beet. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 1990. pp. 987-992

Weather, life cycle strategy and spring population of aphids

C1 - Edited contributions to conferences/learned societies

Harrington, R., Tatchell, G. M. and Bale, J. S. 1990. Weather, life cycle strategy and spring population of aphids.

Rothamsted Insect Survey: Twenty-first Annual Summary

D1 - Technical reports: non-confidential

Woiwod, I. P., Tatchell, G. M., Dupuch, M. J., Parker, S. J., Riley, A. M. and Taylor, M. S. 1990. Rothamsted Insect Survey: Twenty-first Annual Summary. Lawes Agricultural Trust, (LAT) Harpenden.

Evaluation of an insecticidal seed treatment, Imidacloprid, for controlling aphids on sugar beet

C1 - Edited contributions to conferences/learned societies

Dewar, A. M. and Read, L. M. 1990. Evaluation of an insecticidal seed treatment, Imidacloprid, for controlling aphids on sugar beet. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 1990. pp. 721-726

The epidemiology and prospects for control of barley yellow dwarf virus in autumn

C1 - Edited contributions to conferences/learned societies

Plumb, R. T., Carter, N. and Tatchell, G. M. 1990. The epidemiology and prospects for control of barley yellow dwarf virus in autumn. ANPP - Second International Conference on Pests in Agriculture, Versailles, 1990. pp. 781-788

New active ingredients for controlling aphids and virus yellows in sugar beet.

G - Articles in popular magazines and other technical publications

Dewar, A. M. 1990. New active ingredients for controlling aphids and virus yellows in sugar beet.

Vector aphid dynamics and BYD epidemiology.

G - Articles in popular magazines and other technical publications

Tatchell, G. M. 1990. Vector aphid dynamics and BYD epidemiology. Barley Yellow Dwarf Newsletter. 3, pp. 7-8.

Resistance of Myzus persicae to insecticides applied to sugar beet

C1 - Edited contributions to conferences/learned societies

Smith, S. D. J., Dewar, A. M. and Devonshire, A. L. 1990. Resistance of Myzus persicae to insecticides applied to sugar beet. Proceedings of the 53rd Winter Congress of the International Institute of Sugar Beet Research, Brussels. IIRB, Brussels. pp. 379-398

The continuing story of virus yellows.

A - Papers appearing in refereed journals

Dewar, A. M. and Smith, H. G. 1990. The continuing story of virus yellows. British Sugar Beet Review. 58 (1), pp. 15-19.

Estimating potential crop colonization by barley yellow dwarf vectors from suction trap samples.

C1 - Edited contributions to conferences/learned societies

Carter, N. and Tatchell, G. M. 1990. Estimating potential crop colonization by barley yellow dwarf vectors from suction trap samples. World perspectives on barley yellow dwarf. Proceedings of an international workshop, Udine, Italy, 1987. P.A. Burnett, ed., 286-289. CIMMYT, Mexico City..

Aphids - the flying menace of agriculture.

G - Articles in popular magazines and other technical publications

Tatchell, G. M. 1990. Aphids - the flying menace of agriculture. British Sugar Beet Review. 58 (1), pp. 10-12.

Host plant selection by migrant Rhopalosiphum padi in autumn and the occurrence of an intermediate morph.

A - Papers appearing in refereed journals

Tatchell, G. M. and Parker, S. J. 1990. Host plant selection by migrant Rhopalosiphum padi in autumn and the occurrence of an intermediate morph. Entomologia Experimentalis et Applicata. 54 (3), pp. 237-244.

Aphid migration and forecasting.

C1 - Edited contributions to conferences/learned societies

Tatchell, G. M. and Woiwod, I. P. 1989. Aphid migration and forecasting. 'Euraphid' network : trapping and aphid prognosis. Proceedings of a meeting of the EC-Experts' Group, Catania, Italy, 1988. R. Cavalloro, ed.. EUR 11559 EN-FR CEC, Brussels.. pp. 15-28

Results of the co-operative trials on pesticides in pelleted seeds, 1987-1988.

C1 - Edited contributions to conferences/learned societies

Dewar, A. M. 1989. Results of the co-operative trials on pesticides in pelleted seeds, 1987-1988. &nbsp;Proceedings of the 52nd Winter Congress, Brussels, 1989, pp. 163-178..

Rothamsted Insect Survey. Twentieth annual summary. 41pp.

G - Articles in popular magazines and other technical publications

Woiwod, I. P., Tatchell, G. M., Dupuch, M. J., Macaulay, E. D. M., Parker, S. J., Riley, A. M. and Taylor, M. S. 1989. Rothamsted Insect Survey. Twentieth annual summary. 41pp.

Spatial pattern of abundance of the black bean aphid, Aphis fabae , in Britain.

A - Papers appearing in refereed journals

Cammell, M. E., Tatchell, G. M. and Woiwod, I. P. 1989. Spatial pattern of abundance of the black bean aphid, Aphis fabae , in Britain. Journal of Applied Ecology. 26 (2), pp. 463-472. https://doi.org/10.2307/2404074

Pests and diseases of sugar beet.

B - Book chapters etc edited externally

Cooke, D. A., Dewar, A. M. and Asher, M. J. C. 1989. Pests and diseases of sugar beet. in: Pest and disease control handbook. 3rd edn, N. Scopes & L. Stables eds British Crop Protection Council (BCPC). pp. 241-260

A taste of Turkish sugar.

G - Articles in popular magazines and other technical publications

Dewar, A. M. and Asher, M. J. C. 1989. A taste of Turkish sugar. British Sugar Beet Review. 57 (2), pp. 17-19.

A method for separating summer and autumn migrants of host-alternating aphids.

A - Papers appearing in refereed journals

Hardie, J. and Tatchell, G. M. 1989. A method for separating summer and autumn migrants of host-alternating aphids. Entomologia Experimentalis et Applicata. 52 (1), pp. 89-90.

A melanic aberration of Pieris rapae (L.), the small white butterfly (Lep. :Pieridae).

A - Papers appearing in refereed journals

Tatchell, G. M. and Riley, A. M. 1989. A melanic aberration of Pieris rapae (L.), the small white butterfly (Lep. :Pieridae). The Entomologist. 108, pp. 243-245.

Forecasting the incidence of virus yellows in sugar beet in England.

A - Papers appearing in refereed journals

Harrington, R., Dewar, A. M. and George, B. 1989. Forecasting the incidence of virus yellows in sugar beet in England. Annals of Applied Biology - AAB. 114 (3), pp. 459-469. https://doi.org/10.1111/j.1744-7348.1989.tb03361.x

An estimate of the potential economic losses to some crops due to aphids in Britain.

A - Papers appearing in refereed journals

Tatchell, G. M. 1989. An estimate of the potential economic losses to some crops due to aphids in Britain. Crop Protection. 8, pp. 25-29.

Chemical control.

C2 - Non-edited contributions to conferences

Dewar, A. M. 1988. Chemical control. IIRB Pests and Diseases Study Group, Brussels, 1988&nbsp;. pp. 59-67

New insecticides for sugar beet seed.

G - Articles in popular magazines and other technical publications

Winder, G. H. and Dewar, A. M. 1988. New insecticides for sugar beet seed. British Sugar Beet Review. 56 (4), pp. 23-24.

Rational pesticide use in sugar beet.

G - Articles in popular magazines and other technical publications

Dewar, A. M. 1988. Rational pesticide use in sugar beet. British Sugar Beet Review. 56, pp. (3), 6-8.

Aphid control in sugar beet.

G - Articles in popular magazines and other technical publications

Dewar, A. M. 1988. Aphid control in sugar beet.

Regional adaptations in the phenology of a migrant aphid, Rhopalosiphumpadi (Homoptera: Aphididae).

C2 - Non-edited contributions to conferences

Tatchell, G. M. 1988. Regional adaptations in the phenology of a migrant aphid, Rhopalosiphumpadi (Homoptera: Aphididae). Proceedings XVIII International Congress of Entomology, Vancouver, B.C., Canada, 1988, 182..

Monitoring for insecticide resistance in migrant populations of Myzus persicae .

C1 - Edited contributions to conferences/learned societies

Tatchell, G. M., Thorn, M., Loxdale, H. D. and Devonshire, A. L. 1988. Monitoring for insecticide resistance in migrant populations of Myzus persicae . &nbsp;Proceedings British Crop Protection Conference - Pests and Diseases, Brighton, 1988, 439-444..

Possibilities for reducing pesticide usage in sugar beet in England

C1 - Edited contributions to conferences/learned societies

Dewar, A. M. 1988. Possibilities for reducing pesticide usage in sugar beet in England. Proceedings 51st Winter Congress International Institute for Sugar Beet Research. Brussels : IIRB. pp. 93-99

The virus yellows threat for 1988.

G - Articles in popular magazines and other technical publications

Smith, H. G. and Dewar, A. M. 1988. The virus yellows threat for 1988. British Sugar Beet Review. 56 (1), pp. 25-26.

The rise and rise of the resistant aphid.

G - Articles in popular magazines and other technical publications

Dewar, A. M., Devonshire, A. L. and Ffrench-Constant, R. H. 1988. The rise and rise of the resistant aphid. British Sugar Beet Review. 56 (1), pp. 40-43.

The Rothamsted Insect Survey '12-metre' suction trap.

A - Papers appearing in refereed journals

Macaulay, E. D. M., Tatchell, G. M. and Taylor, L. R. 1988. The Rothamsted Insect Survey '12-metre' suction trap. Bulletin of Entomological Research. 78 (1), pp. 121-129. https://doi.org/10.1017/S0007485300016126

Migration of alate morphs of the bird cherry aphid (Rhopalosiphum padi) and implications for the epidemiology of barley yellow dwarf virus.

A - Papers appearing in refereed journals

Tatchell, G. M., Plumb, R. T. and Carter, N. 1988. Migration of alate morphs of the bird cherry aphid (Rhopalosiphum padi) and implications for the epidemiology of barley yellow dwarf virus. Annals of Applied Biology - AAB. 112 (1), pp. 1-11. https://doi.org/10.1111/j.1744-7348.1988.tb02035.x

Aphid Commentary

G - Articles in popular magazines and other technical publications

Tatchell, G. M. 1988. Aphid Commentary.

Aphid Bulletin

G - Articles in popular magazines and other technical publications

Tatchell, G. M. 1988. Aphid Bulletin.

A revision of the forecasting scheme for virus yellows in sugar beet in the UK.

C2 - Non-edited contributions to conferences

Dewar, A. M. and Harrington, R. 1988. A revision of the forecasting scheme for virus yellows in sugar beet in the UK. Proceedings XVIII International Congress of Entomology, Vancouver, B.C., Canada, 1988, 367..

The control of Pieris rapae by granulosis virus.

C2 - Non-edited contributions to conferences

Payne, C. C., Tatchell, G. M. and Williams, C. F. 1988. The control of Pieris rapae by granulosis virus. Production and application of viral bio-pesticides in orchards and vegetables. Proceedings of a meeting of the EC Experts' Group. Eds. H. Audemard & R. Cavalloro. Brussels : CEC, p. 109..

Dissemination and agricultural use of aphid monitoring data.

B - Book chapters etc edited externally

Tatchell, G. M. 1987. Dissemination and agricultural use of aphid monitoring data. in: Aphid migration and forecasting 'Euraphid' systems in European community countries. Proceedings of the EC Expert Meeting. Ed. R. Cavalloro. Luxembourg : CEC pp. 209-214

The present status and future developments in the Rothamsted Insect Survey.

B - Book chapters etc edited externally

Bent, G. A., Carter, N., Harrington, R., Tatchell, G. M., Taylor, M. S. and Woiwod, I. P. 1987. The present status and future developments in the Rothamsted Insect Survey. in: Aphid migration and forecasting 'Euraphid' systems in European community countries. Proceedings of the EC Expert Meeting. Ed. R. Cavalloro. Luxembourg : CEC pp. 201-207

Recent developments in sugar-beet seed treatments.

G - Articles in popular magazines and other technical publications

Dewar, A. M., Asher, M. J. C., Winder, G. H., Payne, P. A. and Prince, J. W. 1987. Recent developments in sugar-beet seed treatments.

Comparison of application methods for aphicides on sugar beet and swedes

A - Papers appearing in refereed journals

Cayley, G. R., Griffiths, D. C., Lethwaite, R., Pye, B. J., Dewar, A. M. and Winder, G. H. 1987. Comparison of application methods for aphicides on sugar beet and swedes. Crop Protection. 6 (6), pp. 365-370. https://doi.org/10.1016/0261-2194(87)90069-X

Agricultural viewdata services in Britain and the role of Rothamsted as an information provider.

A - Papers appearing in refereed journals

Tatchell, G. M. 1987. Agricultural viewdata services in Britain and the role of Rothamsted as an information provider. Computers and Electronics in Agriculture. 2, pp. 163-170.

Crop protection in the future : a report of the 1986 British Crop Protection Conference.

G - Articles in popular magazines and other technical publications

Dewar, A. M. and Winder, G. H. 1987. Crop protection in the future : a report of the 1986 British Crop Protection Conference. British Sugar Beet Review. 55 (1), pp. 22-23.

Virus yellows - past scourge, future threat?

G - Articles in popular magazines and other technical publications

Dewar, A. M., Smith, H. and Thornhill, W. A. 1987. Virus yellows - past scourge, future threat? British Sugar Beet Review. 55 (1), pp. 12-14.

Rothamsted Insect Survey. Eighteenth annual summary.

G - Articles in popular magazines and other technical publications

Woiwod, I. P., Tatchell, G. M., Dupuch, M. J., Macaulay, E. D. M., Parker, S. J. and Taylor, M. S. 1986. Rothamsted Insect Survey. Eighteenth annual summary.

Some factors affecting the growth and yield of winter wheat grown as a third cereal with much or negligible take-all

A - Papers appearing in refereed journals

Prew, R. D., Beane, J., Carter, N., Church, B. M., Dewar, A. M., Lacey, J., Penny, A., Plumb, R. T., Thorne, G. N. and Todd, A. D. 1986. Some factors affecting the growth and yield of winter wheat grown as a third cereal with much or negligible take-all. The Journal of Agricultural Science. 107 (3), pp. 639-671. https://doi.org/10.1017/S0021859600069811

Forecasting and control of virus yellows and aphids in sugar beet.

G - Articles in popular magazines and other technical publications

Dewar, A. M. 1986. Forecasting and control of virus yellows and aphids in sugar beet. British Sugar Beet Review. 54 (2), pp. 49-52.

The effects of sowing date and other factors on growth, yield and nitrogen uptake, and on the incidence of pests and diseases, of winter barley at Rothamsted from 1981 to 1983.

A - Papers appearing in refereed journals

Widdowson, F. V., Darby, R. J., Dewar, A. M., Jenkyn, J. F., Kerry, B. R., Lawlor, D. W., Plumb, R. T., Ross, G. J. S., Scott, G. C., Todd, A. D. and Wood, D. W. 1986. The effects of sowing date and other factors on growth, yield and nitrogen uptake, and on the incidence of pests and diseases, of winter barley at Rothamsted from 1981 to 1983. The Journal of Agricultural Science. 106, pp. 551-574. https://doi.org/10.1017/S0021859600063437

The role of the Rothamsted Insect Survey in aphid monitoring and forecasting.

A - Papers appearing in refereed journals

Tatchell, G. M. and Woiwod, I. P. 1986. The role of the Rothamsted Insect Survey in aphid monitoring and forecasting. Proceedings Parasitis. 86, p. 171.

Recent developments in the control of nematode and and soil-arthropod pests of sugar beet.

G - Articles in popular magazines and other technical publications

Dewar, A. M. and Cooke, D. A. 1986. Recent developments in the control of nematode and and soil-arthropod pests of sugar beet.

The Rothamsted Insect Survey : forecasting aphids and the diseases they transmit.

G - Articles in popular magazines and other technical publications

Tatchell, G. M. 1986. The Rothamsted Insect Survey : forecasting aphids and the diseases they transmit.

To treat or not to treat - prospects for forecasting soil pest damage

A - Papers appearing in refereed journals

Dewar, A. M. and Cooper, J. M. 1985. To treat or not to treat - prospects for forecasting soil pest damage. British Sugar Beet Review. 54 (4), pp. 39-40.

Decreased severity of flea beetle damage to sugar-beet seedlings associated with experimental insecticide treatments incorporated in pelleted sugar-beet seed

A - Papers appearing in refereed journals

Winder, G. H. and Dewar, A. M. 1985. Decreased severity of flea beetle damage to sugar-beet seedlings associated with experimental insecticide treatments incorporated in pelleted sugar-beet seed. Annals of Applied Biology - AAB. 106, pp. 30-31.

Assessment of resistance of commercial varieties of winter-wheat to cereal aphids

A - Papers appearing in refereed journals

Dewar, A. M., Carter, N. and Powell, W. 1985. Assessment of resistance of commercial varieties of winter-wheat to cereal aphids. Annals of Applied Biology - AAB. 106, pp. 168-169.

Some factors limiting the growth and yield of winter-wheat and their variation in 2 seasons

A - Papers appearing in refereed journals

Prew, R. D., Church, B. M., Dewar, A. M., Lacey, J., Magan, N., Penny, A., Plumb, R. T., Thorne, G. N., Todd, A. D. and Williams, T. D. 1985. Some factors limiting the growth and yield of winter-wheat and their variation in 2 seasons. The Journal of Agricultural Science. 104 (1), pp. 135-162. https://doi.org/10.1017/s0021859600043070

Aphid-control advice to farmers and the use of aphid-monitoring data

A - Papers appearing in refereed journals

Tatchell, G. M. 1985. Aphid-control advice to farmers and the use of aphid-monitoring data. Crop Protection. 4, pp. 39-50.

Computer mapping of aphid abundance

A - Papers appearing in refereed journals

Tatchell, G. M. and Woiwod, I. P. 1984. Computer mapping of aphid abundance. Proceedings of the British Crop Protection Council. pp. 675-683.

A system for the rapid collection, analysis and dissemination of aphid-monitoring data from suction traps

A - Papers appearing in refereed journals

Woiwod, I. P., Tatchell, G. M. and Barrett, A. M. 1984. A system for the rapid collection, analysis and dissemination of aphid-monitoring data from suction traps. Crop Protection. 3 (3), pp. 273-288. https://doi.org/10.1016/0261-2194(84)90034-6

Decision trees to assess the risk of cereal aphid (hemiptera, aphididae) outbreaks in summer in England

A - Papers appearing in refereed journals

Dewar, A. M. and Carter, N. 1984. Decision trees to assess the risk of cereal aphid (hemiptera, aphididae) outbreaks in summer in England. Bulletin of Entomological Research. 74 (3), pp. 387-398. https://doi.org/10.1017/s0007485300015650

Rothamsted Multidisciplinary Agronomy

A - Papers appearing in refereed journals

Thorne, G. N., Dewar, A. M., Prew, R. D., williams, Lacey, J., Plumb, R. T., Hirsch, P. R., Church, B. M. and Todd, A. D. 1983. Rothamsted Multidisciplinary Agronomy. Rothamsted Experimental Station Report. 1983 (part 1), pp. 21-36.

Associations between weather factors and the spring migration of the damson-hop aphid, phorodon-humuli

A - Papers appearing in refereed journals

Thomas, G. G., Goldwin, G. K. and Tatchell, G. M. 1983. Associations between weather factors and the spring migration of the damson-hop aphid, phorodon-humuli. Annals of Applied Biology - AAB. 102 (1), pp. 7-17. https://doi.org/10.1111/j.1744-7348.1983.tb02661.x

Effects of eight factors on the growth and nutrient-uptake of winter-wheat and on the incidence of pests and diseases

A - Papers appearing in refereed journals

Prew, R. D., Church, B. M., Dewar, A. M., Lacey, J., Penny, A., Plumb, R. T., Thorne, G. N., Todd, A. D. and Williams, T. D. 1983. Effects of eight factors on the growth and nutrient-uptake of winter-wheat and on the incidence of pests and diseases. The Journal of Agricultural Science. 100 (2), pp. 363-382. https://doi.org/10.1017/s0021859600033529

The effects of barley yellow dwarf virus, aphids and honeydew on Cladosporium infection of winter wheat and barley

A - Papers appearing in refereed journals

Ajayi, O. and Dewar, A. M. 1983. The effects of barley yellow dwarf virus, aphids and honeydew on Cladosporium infection of winter wheat and barley. Annals of Applied Biology - AAB. 102 (1), pp. 57-65. https://doi.org/10.1111/j.1744-7348.1983.tb02665.x

The effect of barley yellow dwarf virus on field populations of the cereal aphids, Sitobion avenae and Metopolophium dirhodum

A - Papers appearing in refereed journals

Ajayi, O. and Dewar, A. M. 1983. The effect of barley yellow dwarf virus on field populations of the cereal aphids, Sitobion avenae and Metopolophium dirhodum. Annals of Applied Biology - AAB. 103 (1), pp. 1-11. https://doi.org/10.1111/j.1744-7348.1983.tb02734.x

Aphid monitoring and forecasting as an aid to decision-making

A - Papers appearing in refereed journals

Tatchell, G. M. 1982. Aphid monitoring and forecasting as an aid to decision-making. Monographs - British Crop Protection Council (BCPC). 25, pp. 99-112.

Assessment of methods for estimating the numbers of aphids (hemiptera, aphididae) in cereals

A - Papers appearing in refereed journals

Dewar, A. M., Dean, G. J. and Cannon, R. 1982. Assessment of methods for estimating the numbers of aphids (hemiptera, aphididae) in cereals. Bulletin of Entomological Research. 72 (4), pp. 675-685. https://doi.org/10.1017/s0007485300008701

The effect of barley yellow dwarf virus on honeydew production by the cereal aphids Sitobion avenae and Metopolophium dirhodum

A - Papers appearing in refereed journals

Ajayi, O. and Dewar, A. M. 1982. The effect of barley yellow dwarf virus on honeydew production by the cereal aphids Sitobion avenae and Metopolophium dirhodum. Annals of Applied Biology - AAB. 100 (2), pp. 203-212. https://doi.org/10.1111/j.1744-7348.1982.tb01932.x

Forecasting outbreaks of the English grain aphid, Sitobion avenae, with the aid of a simulation model

A - Papers appearing in refereed journals

Carter, N. and Dewar, A. M. 1981. Forecasting outbreaks of the English grain aphid, Sitobion avenae, with the aid of a simulation model. Mededelingen - Faculteit Landbouwwetenschappen Rijksuniversiteit Gent. 46 (2), pp. 605-612.

Towards integrated control of cereal aphids

A - Papers appearing in refereed journals

Powell, W., Dean, G. J., Dewar, A. M. and Wilding, N. 1981. Towards integrated control of cereal aphids. Proceedings of the British Insecticide and Fungicide Conference. 11.

Aerial migrations of the rose-grain aphid, metopolophium-dirhodum (wlk), over Europe in 1979

A - Papers appearing in refereed journals

Dewar, A. M., Woiwod, I. P. and Dejanvry, E. C. 1980. Aerial migrations of the rose-grain aphid, metopolophium-dirhodum (wlk), over Europe in 1979. Plant Pathology. 29 (3), pp. 101-109. https://doi.org/10.1111/j.1365-3059.1980.tb01192.x