Real-time quantitative RT-PCR: design, calculations and statistics

Rieu, I. and Powers, S. J. 2009. Real-time quantitative RT-PCR: design, calculations and statistics. The Plant Cell. 21, pp. 1031-1033. https://doi.org/10.1105/tpc.109.066001

Related outputs

A semiochemical view of the ecology of the seed beetle Acanthoscelides obtectus Say (Coleoptera: Chrysomelidae, Bruchinae)

A - Papers appearing in refereed journals

Vuts, J., Powers, S. J., Venter, E. and Szentesi, A. 2023. A semiochemical view of the ecology of the seed beetle Acanthoscelides obtectus Say (Coleoptera: Chrysomelidae, Bruchinae). Annals of Applied Biology - AAB. 184 (1), pp. 19-36. https://doi.org/10.1111/aab.12862

Progress on reducing acrylamide levels in potato crisps in Europe, 2002 to 2019

A - Papers appearing in refereed journals

Powers, S. J., Mottram, D. S., Curtis, A. and Halford, N. G. 2021. Progress on reducing acrylamide levels in potato crisps in Europe, 2002 to 2019. Food Additives and Contaminants Part A-Chemistry Analysis Control Exposure & Risk Assessment. 38 (5), pp. 782-806. https://doi.org/10.1080/19440049.2020.1871083

Wheat amino acid transporters highly expressed in grain cells regulate amino acid accumulation in grain

A - Papers appearing in refereed journals

Wan, Y., Wang, Y., Shi, Z., Rentsch, D., Ward, J. L., Hassall, K. L., Sparks, C. A., Huttly, A. K., Buchner, P. H., Powers, S. J., Shewry, P. R. and Hawkesford, M. J. 2021. Wheat amino acid transporters highly expressed in grain cells regulate amino acid accumulation in grain. PLOS ONE. 16 (2), p. e0246763. https://doi.org/10.1371/journal.pone.0246763

Field Validation of Senesced Banana Leaf Extracts for Trapping Banana Weevils on Smallholder Banana/Plantain Farms

A - Papers appearing in refereed journals

Birkett, M. A., Osafo-Acquaah, S., Powers, S. J. and Pickett, J. A. 2020. Field Validation of Senesced Banana Leaf Extracts for Trapping Banana Weevils on Smallholder Banana/Plantain Farms. Journal of Applied Entomology. https://doi.org/10.1111/jen.12838

Mapping sites of gibberellin biosynthesis in the Arabidopsis root tip

A - Papers appearing in refereed journals

Barker, R., Garcia, M. N. F., Powers, S. J., Vaughan, S., Bennett, M. J., Phillips, A. L., Thomas, S. G. and Hedden, P. 2020. Mapping sites of gibberellin biosynthesis in the Arabidopsis root tip. New Phytologist. https://doi.org/10.1111/NPH.16967

Foliar N Application at Anthesis Stimulates Gene Expression of Grain Protein Fractions and Alters Protein Body Distribution in Winter Wheat (Triticum aestivum L.)

A - Papers appearing in refereed journals

Rossmann, A., Buchner, P. H., Savill, G. P., Powers, S. J., Hawkesford, M. J. and Muhling, K. H. 2019. Foliar N Application at Anthesis Stimulates Gene Expression of Grain Protein Fractions and Alters Protein Body Distribution in Winter Wheat (Triticum aestivum L.) . Journal of Agricultural and Food Chemistry - JAFC. 67 (46), pp. 12709-12719. https://doi.org/10.1021/acs.jafc.9b04634

Screening of locally available organic materials as substrates for production of Pochonia chlamydosporia in Kenya

A - Papers appearing in refereed journals

Luambano, N, Manzanilla-Lopez, R. H. and Powers, S. J. 2019. Screening of locally available organic materials as substrates for production of Pochonia chlamydosporia in Kenya. Biological Control. 133, pp. 18-25. https://doi.org/10.1016/j.biocontrol.2019.03.001

Molecular quantification of Plasmodium parasite density from the blood retained in used RDTs

A - Papers appearing in refereed journals

Robinson, A., Busula, A., Muwanguzi, J., Powers, S. J., Masiga, D., Bousema, T., Takken, W., de Boer, J., Logan, J., Beshir, K. and Sutherland, C. 2019. Molecular quantification of Plasmodium parasite density from the blood retained in used RDTs. Scientific Reports. 9 (5107). https://doi.org/10.1038/s41598-019-41438-0

Identification of a non-host semiochemical from tick-resistant donkeys (Equus asinus) against Amblyomma sculptum ticks

A - Papers appearing in refereed journals

Ferreira, L. L., Sarria, A. L. F., De Olivera Filho, J. G., De Olivera de Silva, F., Powers, S. J., Caulfield, J. C., Pickett, J. A., Birkett, M. A. and Borges, L. M. F. 2019. Identification of a non-host semiochemical from tick-resistant donkeys (Equus asinus) against Amblyomma sculptum ticks. Ticks and Tick-Borne Diseases. 10 (3), pp. 621-627. https://doi.org/10.1016/j.ttbdis.2019.02.006

Determination of the prebiotic activity of wheat arabinogalactan peptide (AGP) using batch culture fermentation

A - Papers appearing in refereed journals

Harris, S., Powers, S. J., Monteagudo-Mera, A., Kosik, O., Lovegrove, A., Shewry, P. R. and Charalampopoulos, D. 2019. Determination of the prebiotic activity of wheat arabinogalactan peptide (AGP) using batch culture fermentation. European Journal Of Nutrition. https://doi.org/10.1007/s00394-019-01908-7

Final grain weight is not limited by the activity of key starch-synthesising enzymes during grain filling in wheat

A - Papers appearing in refereed journals

Fahy, B., Siddiqui, H., David, L., Powers, S. J., Borrill, P., Uauy, C. and Smith, A. 2018. Final grain weight is not limited by the activity of key starch-synthesising enzymes during grain filling in wheat. Journal of Experimental Botany. 69 (22), p. 5461–5475. https://doi.org/10.1093/jxb/ery314

Dry matter losses and quality changes during short rotation coppice willow storage in chip or rod form

A - Papers appearing in refereed journals

Whittaker, C., Yates, N. E., Powers, S. J., Misselbrook, T. H. and Shield, I. F. 2018. Dry matter losses and quality changes during short rotation coppice willow storage in chip or rod form. Biomass & Bioenergy. 112, pp. 29-36. https://doi.org/10.1016/j.biombioe.2018.02.005

Effects of variety, year of cultivation and sulphur supply on the accumulation of free asparagine in the grain of commercial wheat varieties

A - Papers appearing in refereed journals

Curtis, T., Powers, S. J., Wang, R. and Halford, N. G. 2018. Effects of variety, year of cultivation and sulphur supply on the accumulation of free asparagine in the grain of commercial wheat varieties. Food Chemistry. 239 (15 January), pp. 304-313. https://doi.org/10.1016/j.foodchem.2017.06.113

Host shift induces changes in mate choice of the seed predator Acanthoscelides obtectus via altered chemical signalling

A - Papers appearing in refereed journals

Vuts, J., Woodcock, C. M., Koenig, L., Powers, S. J., Pickett, J. A., Szentesi, A. and Birkett, M. A. 2018. Host shift induces changes in mate choice of the seed predator Acanthoscelides obtectus via altered chemical signalling. PLOS ONE. 13 (11), p. e0206144. https://doi.org/10.1371/journal.pone.0206144

Dissecting Wheat Grain Yield Drivers in a Mapping Population in the UK

A - Papers appearing in refereed journals

Pennacchi, J. P., Carmo-Silva, E., Andralojc, P. J., Feuerhelm, D,, Powers, S. J. and Parry, M. A. J. 2018. Dissecting Wheat Grain Yield Drivers in a Mapping Population in the UK. Agronomy. 8 (6), p. 94. https://doi.org/10.3390/agronomy8060094

Temperature and nitrogen supply interact to determine protein distribution gradients in the wheat grain endosperm

A - Papers appearing in refereed journals

Savill, G. P., Michalski, A., Powers, S. J., Wan, Y., Tosi, P., Buchner, P. H. and Hawkesford, M. J. 2018. Temperature and nitrogen supply interact to determine protein distribution gradients in the wheat grain endosperm. Journal of Experimental Botany. 69 (12), pp. 3117-3126. https://doi.org/10.1093/jxb/ery127

Plasmodium-associated changes in human odor attract mosquitoes

A - Papers appearing in refereed journals

Robinson, A., Busula, A. O., Voets, M. A, Beshir, K. B., Caulfield, J. C., Powers, S. J., Verhulst, N. O., Winskill, P., Muwanguzi, J., Birkett, M. A., Smallegange, R. C., Masiga, D. K., Mukabana, W. R., Sauerwein, R. W., Sutherland, C. J., Bousema, T., Pickett, J. A., Takken, W., Logan, J. G. and De Boer, J. G. 2018. Plasmodium-associated changes in human odor attract mosquitoes. Proceedings of the National Academy of Sciences. 115 (18), pp. E4209-E4218. https://doi.org/10.1073/pnas.1721610115

Isolation and identification of floral attractants from a nectar plant for the dried bean beetle, Acanthoscelides obtectus (Coleoptera: Chrysomelidae, Bruchinae)

A - Papers appearing in refereed journals

Vuts, J., Woodcock, C. M., Caulfield, J. C., Powers, S. J., Pickett, J. A. and Birkett, M. A. 2018. Isolation and identification of floral attractants from a nectar plant for the dried bean beetle, Acanthoscelides obtectus (Coleoptera: Chrysomelidae, Bruchinae). Pest Management Science. 74 (9), pp. 2069-2075. https://doi.org/10.1002/ps.4903

Wheat receptor-kinase-like protein Stb6 controls gene-for-gene resistance to fungal pathogen Zymoseptoria tritici

A - Papers appearing in refereed journals

Saintennac, C., Lee, W. S., Cambon, F., Rudd, J. J., King, R., Marande, W., Powers, S. J., Berges, H., Phillips, A. L., Uauy, C., Hammond-Kosack, K. E., Langin, T. and Kanyuka, K. 2018. Wheat receptor-kinase-like protein Stb6 controls gene-for-gene resistance to fungal pathogen Zymoseptoria tritici. Nature Genetics. 50, pp. 368-374. https://doi.org/10.1038/s41588-018-0051-x

Genomic, biochemical and modelling analyses of asparagine synthetases from wheat

A - Papers appearing in refereed journals

Xu, H., Curtis, T. Y., Powers, S. J., Raffan, S., Gao, R., Huang, J., Heiner, M., Gilbert, D. R. and Halford, N. G. 2018. Genomic, biochemical and modelling analyses of asparagine synthetases from wheat. Frontiers in Plant Science. 8, p. 2237. https://doi.org/10.3389/fpls.2017.02237

The early inflorescence of Arabidopsis thaliana demonstrates positional effects in floral organ growth and meristem patterning

A - Papers appearing in refereed journals

Plackett, A. R. G., Powers, S. J., Phillips, A. L., Wilson, Z. A., Hedden, P. and Thomas, S. G. 2018. The early inflorescence of Arabidopsis thaliana demonstrates positional effects in floral organ growth and meristem patterning. Plant Reproduction. 31 (2), pp. 171-191. https://doi.org/10.1007/s00497-017-0320-3

If not multiple comparisons, then what?

A - Papers appearing in refereed journals

Kozak, M. and Powers, S. J. 2017. If not multiple comparisons, then what? Annals of Applied Biology - AAB. 171 (3), pp. 277-280. https://doi.org/10.1111/aab.12379

Effects of Cultivar and Nitrogen Nutrition on the Lipid Composition of Wheat Flour

A - Papers appearing in refereed journals

Min, B., Gonzalez-Thuillier, I., Powers, S. J., Wilde, P. J., Shewry, P. R. and Haslam, R. P. 2017. Effects of Cultivar and Nitrogen Nutrition on the Lipid Composition of Wheat Flour. Journal of Agricultural and Food Chemistry - JAFC. 65 (26), pp. 5427-5434. https://doi.org/10.1021/acs.jafc.7b01437

The Gsp-1 genes encode the wheat arabinogalactan peptide

A - Papers appearing in refereed journals

Wilkinson, M. D., Tosi, P., Lovegrove, A., Corol, D. I., Ward, J. L., Palmer, R., Powers, S. J., Passmore, D., Webster, G., Marcus, S. E., Knox, J. P. and Shewry, P. R. 2017. The Gsp-1 genes encode the wheat arabinogalactan peptide. Journal of Cereal Science. 74 (March), pp. 155-164. https://doi.org/10.1016/j.jcs.2017.02.006

cis-jasmone elicits aphid-induced stress signalling in potatoes

A - Papers appearing in refereed journals

Sobhy, I. S., Woodcock, C. M., Powers, S. J., Caulfield, J. C., Pickett, J. A. and Birkett, M. A. 2017. cis-jasmone elicits aphid-induced stress signalling in potatoes. Journal of Chemical Ecology. 43 (1), pp. 39-52. https://doi.org/10.1007/s10886-016-0805-9

Changes in the arabinoxylan fraction of wheat grain during alcohol production

A - Papers appearing in refereed journals

Kosik, O., Powers, S. J., Chatzifragkou, A., Prabhakumari, P. C., Charalampopoulos, D., Hess, L., Brosnan, J., Shewry, P. R. and Lovegrove, A. 2017. Changes in the arabinoxylan fraction of wheat grain during alcohol production. Food Chemistry. 221 (15 April), pp. 1754-1762. https://doi.org/10.1016/j.foodchem.2016.10.109

Acrylamide-forming potential of potatoes grown at different locations, and the ratio of free asparagine to reducing sugars at which free asparagine becomes a limiting factor for acrylamide formation

A - Papers appearing in refereed journals

Muttucumaru, N., Powers, S. J., Elmore, J. S., Dodson, A., Briddon, A., Mottram, D. S. and Halford, N. G. 2017. Acrylamide-forming potential of potatoes grown at different locations, and the ratio of free asparagine to reducing sugars at which free asparagine becomes a limiting factor for acrylamide formation. Food Chemistry. 220 (1 April), pp. 76-86. https://doi.org/10.1016/j.foodchem.2016.09.199

Odours of Plasmodium falciparum-infected participants influence mosquito-host interactions

A - Papers appearing in refereed journals

De Boar, J. G., Robinson, A., Powers, S. J., Burgers, S. L. G. E., Caulfield, J. C., Birkett, M. A., Smallegange, R. C., Van Genderen, P. J. J., Bousema, T., Sauerwein, R. W., Pickett, J. A., Takken, W. and Logan, J. G. 2017. Odours of Plasmodium falciparum-infected participants influence mosquito-host interactions. Scientific Reports. 7 (1), p. 9283. https://doi.org/10.1038/s41598-017-08978-9

DIMBOA levels in hexaploid Brazilian wheat are not associated with antibiosis against the cereal aphids Rhopalosiphum padi and Sitobion avenae

A - Papers appearing in refereed journals

Periera J. F., Sarria, A. L. F., Powers, S. J., Aradottir, G. I., Caulfield, J. C., Martin, J. L., Smart, L. E., Pickett, J. A., Birkett, M. A. and Pereira, P. V. R .S 2017. DIMBOA levels in hexaploid Brazilian wheat are not associated with antibiosis against the cereal aphids Rhopalosiphum padi and Sitobion avenae. Theoretical and Experimental Plant Physiology. 29 (2), pp. 61-75. https://doi.org/10.1007/s40626-017-0084-z

Triticum aestivum cultivar Spark asparagine synthetase-3 (ASN3) mRNA, complete cds

K - Protein or DNA sequences submitted to database

Xu, H., Curtis, T. Y., Powers, S. J., Raffan, S., Gao, R., Huang, J., Heiner, M., Gilbert, D. and Halford, N. G. 2017. Triticum aestivum cultivar Spark asparagine synthetase-3 (ASN3) mRNA, complete cds.

Acrylamide levels in potato crisps in Europe from 2002 to 2016

A - Papers appearing in refereed journals

Powers, S. J., Curtis, A, Mottram, D. S. and Halford, N. G. 2017. Acrylamide levels in potato crisps in Europe from 2002 to 2016. Food Additives and Contaminants Part A-Chemistry Analysis Control Exposure & Risk Assessment. 34 (12), pp. 2085-2100. https://doi.org/10.1080/19440049.2017.1379101

Association mapping in Salix viminalis L. (Salicaceae) - identification of candidate genes associated with growth and phenology

A - Papers appearing in refereed journals

Hallingbäck, H. R., Fogelqvist, J., Powers, S. J., Turrion-Gomez, J., Rossiter, R., Amey, J., Martin, T., Weih, M., Gyllenstrand, N., Karp, A., Lagercrantz, U., Hanley, S. J., Berlin, S. and Rönnberg-Wästljung, A-C. 2016. Association mapping in Salix viminalis L. (Salicaceae) - identification of candidate genes associated with growth and phenology. Global Change Biology. Bioenergy. 8 (3), pp. 670-685. https://doi.org/10.1111/gcbb.12280

Testing the use of static chamber boxes to monitor greenhouse gas emissions from wood chip storage heaps

A - Papers appearing in refereed journals

Whittaker, C., Yates, N. E., Powers, S. J., Donovan, N. and Misselbrook, T. H. 2016. Testing the use of static chamber boxes to monitor greenhouse gas emissions from wood chip storage heaps. BioEnergy Research. 10 (2), pp. 353-362. https://doi.org/10.1007/s12155-016-9800-9

Heterotrophic Production of Omega-3 Long-Chain Polyunsaturated Fatty Acids by Trophically Converted Marine Diatom Phaeodactylum tricornutum

A - Papers appearing in refereed journals

Hamilton, M. L., Powers, S. J., Napier, J. A. and Sayanova, O. V. 2016. Heterotrophic Production of Omega-3 Long-Chain Polyunsaturated Fatty Acids by Trophically Converted Marine Diatom Phaeodactylum tricornutum. Marine Drugs. 14 (3), p. 53. https://doi.org/10.3390/md14030053

Effects of fungicide treatment on free amino acid concentration and acrylamide-forming potential in wheat

A - Papers appearing in refereed journals

Curtis, T. Y., Powers, S. J. and Halford, N. G. 2016. Effects of fungicide treatment on free amino acid concentration and acrylamide-forming potential in wheat. Journal of Agricultural and Food Chemistry - JAFC. 64 (51), pp. 9689-9696. https://doi.org/10.1021/acs.jafc.6b04520

The natural plant stress elicitor cis-jasmone causes cultivar-dependent reduction in growth of the stink bug, Euschistus heros and associated changes in flavonoid concentrations in soybean, Glycine max

A - Papers appearing in refereed journals

Da Graca, J. P., Ueda, T. E., Janegitz, T., Vieira, S. S., Salvador, M. C., De Oliveira, M. C., Zingaretti, S. M., Powers, S. J., Pickett, J. A., Birkett, M. A. and Hoffmann-Campo, C. B. 2016. The natural plant stress elicitor cis-jasmone causes cultivar-dependent reduction in growth of the stink bug, Euschistus heros and associated changes in flavonoid concentrations in soybean, Glycine max. Phytochemistry. 131 (November), pp. 84-91. https://doi.org/10.1016/j.phytochem.2016.08.013

Quantification of brown dog tick repellents, 2-hexanone and benzaldehyde, and release from tick-resistant beagles, Canis lupus familiaris.

A - Papers appearing in refereed journals

De Oliveira Filho, J. G., Sarria, A. L. F., Ferreira, L. L., Caulfield, J. C., Powers, S. J., Pickett, J. A., De Leon, A. A., Birkett, M. A. and Borges, L. M. F. 2016. Quantification of brown dog tick repellents, 2-hexanone and benzaldehyde, and release from tick-resistant beagles, Canis lupus familiaris. Journal Of Chromatography B. 1022 (1 June 2016), pp. 64-69. https://doi.org/10.1016/j.jchromb.2016.03.014

Changes in free amino acid concentration in rye grain in response to nitrogen and sulphur availability, and expression analysis of genes involved in asparagine metabolism

A - Papers appearing in refereed journals

Postles, J., Curtis, T. Y., Powers, S. J., Elmore, J. S., Mottram, D. S. and Halford, N. G. 2016. Changes in free amino acid concentration in rye grain in response to nitrogen and sulphur availability, and expression analysis of genes involved in asparagine metabolism. Frontiers in Plant Science. 7, p. 917. https://doi.org/10.3389/fpls.2016.00917

Food safety: structure and expression of the asparagine synthetase gene family of wheat

A - Papers appearing in refereed journals

Gao, R., Curtis, T. Y., Powers, S. J., Xu, H., Huang, J. and Halford, N. G. 2016. Food safety: structure and expression of the asparagine synthetase gene family of wheat. Journal of Cereal Science. 68, pp. 122-131. https://doi.org/10.1016/j.jcs.2016.01.010

Dry matter losses and greenhouse gas emissions from outside storage of short rotation coppice willow chip

A - Papers appearing in refereed journals

Whittaker, C., Yates, N. E., Powers, S. J., Misselbrook, T. H. and Shield, I. F. 2016. Dry matter losses and greenhouse gas emissions from outside storage of short rotation coppice willow chip. BioEnergy Research. 9, pp. 288-302. https://doi.org/10.1007/s12155-015-9686-y

Distribution of lipids in the grain of wheat (cv. Hereward) determined by lipidomic analysis of milling and pearling fractions

A - Papers appearing in refereed journals

Gonzalez-Thuillier, I., Salt, L., Chope, G., Penson, S., Skeggs, P., Tosi, P., Powers, S. J., Ward, J. L., Wilde, P., Shewry, P. R. and Haslam, R. P. 2015. Distribution of lipids in the grain of wheat (cv. Hereward) determined by lipidomic analysis of milling and pearling fractions. Journal of Agricultural and Food Chemistry - JAFC. 63, pp. 10705-10716. https://doi.org/10.1021/acs.jafc.5b05289

An analysis of Pseudomonas genomic diversity in take-all infected wheat fields reveals the lasting impact of wheat cultivars on the soil microbiota

A - Papers appearing in refereed journals

Mauchline, T. H., Chedom-Fotso, D., Chandra, G., Samuels, T., Greenaway, N., Backhaus, A., Mcmillan, V. E., Canning, G., Powers, S. J., Hammond-Kosack, K. E., Hirsch, P. R., Clark, I. M., Mehrabi, Z., Roworth, J., Burnell, J. and Malone, J. G. 2015. An analysis of Pseudomonas genomic diversity in take-all infected wheat fields reveals the lasting impact of wheat cultivars on the soil microbiota. Environmental Microbiology. 17 (11), pp. 4764-4778. https://doi.org/10.1111/1462-2920.13038

Analysis of cytochrome b5 reductase-mediated metabolism in the phytopathogenic fungus Zymoseptoria tritici reveals novel functionalities implicated in virulence

A - Papers appearing in refereed journals

Derbyshire, M. C., Michaelson, L. V., Parker, J., Kelly, S., Thacker, U., Powers, S. J., Bailey, A., Hammond-Kosack, K. E., Courbot, M. and Rudd, J. J. 2015. Analysis of cytochrome b5 reductase-mediated metabolism in the phytopathogenic fungus Zymoseptoria tritici reveals novel functionalities implicated in virulence. Fungal Genetics and Biology. 82 (September), pp. 69-84. https://doi.org/10.1016/j.fgb.2015.05.008

Quantitative proteomics analysis of the Arg/N-end rule pathway of targeted degradation in Arabidopsis roots

A - Papers appearing in refereed journals

Zhang, H., Deery, M. J., Gannon, L., Powers, S. J., Lilley, K. S. and Theodoulou, F. L. 2015. Quantitative proteomics analysis of the Arg/N-end rule pathway of targeted degradation in Arabidopsis roots. Proteomics. 15 (14), pp. 2447-2457. https://doi.org/10.1002/pmic.201400530

Solanum lycopersicum AUXIN RESPONSE FACTOR 9 regulates cell division activity during early tomato fruit development

A - Papers appearing in refereed journals

De Jong, M., Wolters-Arts, M., Schimmel, B. C. J., Stultiens, C. L. M., De Groot, P. F. M., Powers, S. J., Tikunov, Y. M., Bovy, A. G., Mariani, C., Vriezen, W. H. and Rieu, I. 2015. Solanum lycopersicum AUXIN RESPONSE FACTOR 9 regulates cell division activity during early tomato fruit development. Journal of Experimental Botany. 66, pp. 3405-3416. https://doi.org/10.1093/jxb/erv152

Multiple roles of a male-specific compound in the sexual behavior of the dried bean beetle, Acanthoscelides obtectus

A - Papers appearing in refereed journals

Vuts, J., Powers, S. J., Caulfield, J. C., Pickett, J. A. and Birkett, M. A. 2015. Multiple roles of a male-specific compound in the sexual behavior of the dried bean beetle, Acanthoscelides obtectus. Journal of Chemical Ecology. 41, pp. 287-293. https://doi.org/10.1007/s10886-015-0560-3

Transcriptome and metabolite profiling of the infection cycle of Zymoseptoria tritici on wheat reveals a biphasic interaction with plant immunity involving differential pathogen chromosomal contributions and a variation on the hemibiotrophic lifestyle definition

A - Papers appearing in refereed journals

Rudd, J. J., Kanyuka, K., Hassani-Pak, K., Derbyshire, M., Andongabo, A. E., Devonshire, J., Lysenko, A., Saqi, M., Desai, N. M., Powers, S. J., Hooper, J., Ambroso, L., Bharti, A., Farmer, A., Hammond-Kosack, K. E., Dietrich, R. A. and Courbot, M. 2015. Transcriptome and metabolite profiling of the infection cycle of Zymoseptoria tritici on wheat reveals a biphasic interaction with plant immunity involving differential pathogen chromosomal contributions and a variation on the hemibiotrophic lifestyle definition. Plant Physiology. 167 (3), pp. 1158-1185. https://doi.org/10.1104/pp.114.255927

Effects of water availability on free amino acids, sugars and acrylamide-forming potential in potato

A - Papers appearing in refereed journals

Muttucumaru, N., Powers, S. J., Elmore, J. S., Mottram, D. S. and Halford, N. G. 2015. Effects of water availability on free amino acids, sugars and acrylamide-forming potential in potato. Journal of Agricultural and Food Chemistry - JAFC. 63, pp. 2566-2575. https://doi.org/10.1021/jf506031w

Fungicide resistance risk assessment based on traits associated with the rate of pathogen evolution

A - Papers appearing in refereed journals

Grimmer, M. K., Van Den Bosch, F., Powers, S. J. and Paveley, N. D. 2015. Fungicide resistance risk assessment based on traits associated with the rate of pathogen evolution. Pest Management Science. 71 (2), pp. 207-215. https://doi.org/10.1002/ps.3781

Effect of temperature, pH, carbon and nitrogen ratios on the parasitic activity of Pochonia chlamydosporia on Meloidogyne incognita

A - Papers appearing in refereed journals

Luambano, N. D., Manzanilla-Lopez, R. H., Kimenju, J. W., Powers, S. J., Narla, R. D., Wanjohi, W. J. and Kerry, B. R. 2015. Effect of temperature, pH, carbon and nitrogen ratios on the parasitic activity of Pochonia chlamydosporia on Meloidogyne incognita. Biological Control. 80, pp. 23-29. https://doi.org/10.1016/j.biocontrol.2014.09.003

Quantitative differences in gene expression of defence genes in Solanum tuberosum and S. sisymbriifolium infected with Globodera pallida

A - Papers appearing in refereed journals

Sasaki-Crawley, A., Dybal, K., Powers, S. J., Birkett, M. A., Pickett, J. A., Nelson, D., Blackshaw, R., Carvalho, R. and Curtis, R. H. C. 2014. Quantitative differences in gene expression of defence genes in Solanum tuberosum and S. sisymbriifolium infected with Globodera pallida. Indian journal of nematology. 44 (1), pp. 62-72.

Improving the predictive power of fungicide resistance risk assessment

C1 - Edited contributions to conferences/learned societies

Paveley, N., Grimmer, M., Powers, S. J. and Van Den Bosch, F. 2014. Improving the predictive power of fungicide resistance risk assessment. Dehneetal, H. W. (ed.) Modern fungicides and antifungal compounds, vol. 7 . Deutsche Phytomedizinische Gesellschaft, Braunschweig. pp. 153-160

Systems responses to progressive water stress in durum wheat

A - Papers appearing in refereed journals

Habash, D. Z., Baudo, M., Hindle, M. M., Powers, S. J., Defoin-Platel, M., Mitchell, R. A. C., Saqi, M., Rawlings, C. J., Latiri, K., Araus, J. L., Abdulkader, A., Tuberosa, R., Lawlor, D. W. and Nachit, M. M. 2014. Systems responses to progressive water stress in durum wheat. PLOS ONE. 9, p. e108431. https://doi.org/10.1371/journal.pone.0108431

Genetic diversity, population structure and phenotypic variation in European Salix viminalis L. (Salicaceae)

A - Papers appearing in refereed journals

Berlin, S., Trybush, S. O., Fogelqvist, J., Gyllenstrand, N., Hallingback, H. R., Ahman, I., Nordh, N-E., Shield, I. F., Powers, S. J., Weih, M., Lagercrantz, U., Ronnberg-Wastljung, A-C., Karp, A. and Hanley, S. J. 2014. Genetic diversity, population structure and phenotypic variation in European Salix viminalis L. (Salicaceae). Tree Genetics & Genomes. 10 (6), pp. 1595-1610. https://doi.org/10.1007/s11295-014-0782-5

Photosynthesis and growth in diverse willow genotypes

A - Papers appearing in refereed journals

Andralojc, P. J., Bencze, S., Madgwick, P. J., Philippe, H., Powers, S. J., Shield, I. F., Karp, A. and Parry, M. A. J. 2014. Photosynthesis and growth in diverse willow genotypes. Food and Energy Security. 3, pp. 69-85. https://doi.org/10.1002/fes3.47

Identification and analysis of differentially expressed genes in the wheat- Zymoseptoria tritici interaction

C2 - Non-edited contributions to conferences

Kanyuka, K., Andongabo, A. E., Hassani-Pak, K., Powers, S. J., Lysenko, A., Saqi, M., Derbyshire, M., Lee, W-S., Hammond-Kosack, K. E., Courbot, M. and Rudd, J. J. 2014. Identification and analysis of differentially expressed genes in the wheat- Zymoseptoria tritici interaction. Abstracts Plant Genomics Congress, London, 12-13 May 2014 .

Assessment of core and accessory genetic variation in Rhizobium leguminosarum symbiovar trifolii strains from diverse locations and host plants using PCR-based methods

A - Papers appearing in refereed journals

Mauchline, T. H., Hayat, R., Roberts, R., Powers, S. J. and Hirsch, P. R. 2014. Assessment of core and accessory genetic variation in Rhizobium leguminosarum symbiovar trifolii strains from diverse locations and host plants using PCR-based methods. Letters in Applied Microbiology. 59 (2), pp. 238-246. https://doi.org/10.1111/lam.12270

Evaluation of a matrix to calculate fungicide resistance risk

A - Papers appearing in refereed journals

Grimmer, M. K., Van Den Bosch, F., Powers, S. J. and Paveley, N. D. 2014. Evaluation of a matrix to calculate fungicide resistance risk. Pest Management Science. 70 (6), pp. 1008-1016. https://doi.org/10.1002/ps.3646

Effects of genotype, season and nitrogen nutrition on gene expression and protein accumulation in wheat grain

A - Papers appearing in refereed journals

Chope, G. A., Wan, Y., Penson, S. P., Bhandari, D. G., Powers, S. J., Shewry, P. R. and Hawkesford, M. J. 2014. Effects of genotype, season and nitrogen nutrition on gene expression and protein accumulation in wheat grain. Journal of Agricultural and Food Chemistry - JAFC. 62, pp. 4399-4407. https://doi.org/10.1021/jf500625c

Effect of sulphur fertilisation on the acrylamide-forming potential of wheat (HGCA Project Report No. 525)

D1 - Technical reports: non-confidential

Curtis, T., Halford, N. G., Powers, S. J., McGrath, S. P. and Zazzeroni, R. 2014. Effect of sulphur fertilisation on the acrylamide-forming potential of wheat (HGCA Project Report No. 525). Home Grown Cereals Authority (HGCA) Stoneleigh.

Evidence for the complex relationship between free amino acid and sugar concentrations and acrylamide-forming potential in potato

A - Papers appearing in refereed journals

Muttucumaru, N., Powers, S. J., Elmore, J. S., Briddon, A., Mottram, D. S. and Halford, N. G. 2014. Evidence for the complex relationship between free amino acid and sugar concentrations and acrylamide-forming potential in potato. Annals of Applied Biology - AAB. 164 (2), pp. 286-300. https://doi.org/10.1111/aab.12101

DELLA activity is required for successful pollen development in the Columbia ecotype of Arabidopsis

A - Papers appearing in refereed journals

Plackett, A. R. G., Ferguson, A. C., Powers, S. J., Wanchoo-Kohli, A., Phillips, A. L., Wilson, Z. A., Hedden, P. and Thomas, S. G. 2014. DELLA activity is required for successful pollen development in the Columbia ecotype of Arabidopsis. New Phytologist. 201 (3), pp. 825-836. https://doi.org/10.1111/nph.12571

Photosynthetic assimilation of 14C into amino acids in potato (Solanum tuberosum) and asparagine in the tubers

A - Papers appearing in refereed journals

Muttucumaru, N., Keys, A. J., Parry, M. A. J., Powers, S. J. and Halford, N. G. 2014. Photosynthetic assimilation of 14C into amino acids in potato (Solanum tuberosum) and asparagine in the tubers. Planta. 239, pp. 161-170. https://doi.org/10.1007/s00425-013-1967-0

Effects of variety and nutrient availability on the acrylamide forming potential of rye

C1 - Edited contributions to conferences/learned societies

Postles, J., Elmore, J. S., Powers, S. J., Mottram, D. S. and Halford, N. G. 2013. Effects of variety and nutrient availability on the acrylamide forming potential of rye. Acrylamide, furans and other food-borne contaminants, from plant science to food chemistry. Aspects of Applied Biology 116 . pp. 125-130

Effecto de extractos vegetales en crudo en el parasitismo de Pochonia chlamydosporia var. chlamydosporia sobre Meloidogyne incognita

A - Papers appearing in refereed journals

Vilchis-Martinez, K., Manzanilla-Lopez, R. H., Powers, S. J. and Montes-Belmont, R. 2013. Effecto de extractos vegetales en crudo en el parasitismo de Pochonia chlamydosporia var. chlamydosporia sobre Meloidogyne incognita. Nematropica. 43, pp. 254-260.

Effect of root nitrogen supply forms on attraction and repulsion of second-stage juveniles of Meloidogyne graminicola

A - Papers appearing in refereed journals

Patil, J., Powers, S. J., Davies, K. G., Gaur, H. S. and Miller, A. J. 2013. Effect of root nitrogen supply forms on attraction and repulsion of second-stage juveniles of Meloidogyne graminicola. Nematology. 15, pp. 469-482. https://doi.org/10.1163/15685411-00002697

Effect in vitro of tomato root diffusate on Pochonia chlamydosporia growth and Meloidogyne incognita egg parasitism

C2 - Non-edited contributions to conferences

Manzanilla-Lopez, R. H. and Powers, S. J. 2013. Effect in vitro of tomato root diffusate on Pochonia chlamydosporia growth and Meloidogyne incognita egg parasitism. Abstracts ONTA XLV Annual Meeting, La Serena, Chile, 20-25 October 2013 . pp. 64

bZIP67 regulates the omega-3 fatty acid content of Arabidopsis seed oil by activating FATTY ACID DESATURASE3

A - Papers appearing in refereed journals

Mendes, A., Kelly, A. A., Van-Erp, H., Shaw, E., Powers, S. J., Kurup, S. and Eastmond, P. J. 2013. bZIP67 regulates the omega-3 fatty acid content of Arabidopsis seed oil by activating FATTY ACID DESATURASE3. The Plant Cell. 25, pp. 3104-3116. https://doi.org/10.1105/tpc.113.116343

Expression analysis of abscisic acid (ABA) and metabolic signalling factors in developing endosperm and embryo of barley

A - Papers appearing in refereed journals

Chen, Z., Huang, J., Muttucumaru, N., Powers, S. J. and Halford, N. G. 2013. Expression analysis of abscisic acid (ABA) and metabolic signalling factors in developing endosperm and embryo of barley. Journal of Cereal Science. 58, pp. 255-262. https://doi.org/10.1016/j.jcs.2013.06.009

Acrylamide concentrations in potato crisps in Europe from 2002 to 2011

A - Papers appearing in refereed journals

Powers, S. J., Mottram, D. S., Curtis, A. and Halford, N. G. 2013. Acrylamide concentrations in potato crisps in Europe from 2002 to 2011. Food Additives and Contaminants. 30 (9), pp. 1493-1500. https://doi.org/10.1080/19440049.2013.805439

Effects of nitrogen and sulfur fertilization on free amino acids, sugars and acrylamide-forming potential in potato

A - Papers appearing in refereed journals

Muttucumaru, N., Powers, S. J., Elmore, J. S., Mottram, D. S. and Halford, N. G. 2013. Effects of nitrogen and sulfur fertilization on free amino acids, sugars and acrylamide-forming potential in potato. Journal of Agricultural and Food Chemistry - JAFC. 61, pp. 6734-6742. https://doi.org/10.1021/jf401570x

Spatial patterns of gluten protein and polymer distribution in wheat grain

A - Papers appearing in refereed journals

He, J., Penson, S., Powers, S. J., Hawes, C., Shewry, P. R. and Tosi, P. 2013. Spatial patterns of gluten protein and polymer distribution in wheat grain. Journal of Agricultural and Food Chemistry - JAFC. 61, pp. 6207-6215. https://doi.org/10.1021/jf401623d

The Arabidopsis F-box/Kelch-repeat protein At2g44130 is upregulated in giant cells and promotes nematode susceptibility

A - Papers appearing in refereed journals

Curtis, R. H. C., Pankaj, Powers, S. J., Napier, J. A. and Matthes, M. C. 2013. The Arabidopsis F-box/Kelch-repeat protein At2g44130 is upregulated in giant cells and promotes nematode susceptibility. Molecular Plant-Microbe Interactions - MPMI. 26, pp. 36-43. https://doi.org/10.1094/MPMI-05-12-0135-FI

Priming of production in maize of volatile organic defence compounds by the natural plant activator cis- jasmone

A - Papers appearing in refereed journals

Oluwafemi, S., Dewhirst, S. Y., Veyrat, N., Powers, S. J., Bruce, T. J. A., Caulfield, J. C., Pickett, J. A. and Birkett, M. A. 2013. Priming of production in maize of volatile organic defence compounds by the natural plant activator cis- jasmone. PLOS ONE. 8, p. e62299. https://doi.org/10.1371/journal.pone.0062299

Differential defence response due to jasmonate seed treatment in cowpea and tomato against root-knot and potato cyst nematodes

A - Papers appearing in refereed journals

Pankaj, Muttucumaru, N., Powers, S. J., Gaur, H. S., Kurup, S. and Curtis, R. H. C. 2013. Differential defence response due to jasmonate seed treatment in cowpea and tomato against root-knot and potato cyst nematodes. Nematology. 15, pp. 15-21. https://doi.org/10.1163/156854112X641754

Suppression of the SUGAR-DEPENDENT1 triacylglycerol lipase family during seed development enhances oil yield in oilseed rape (Brassica napus L.)

A - Papers appearing in refereed journals

Kelly, A. A., Shaw, E., Powers, S. J., Kurup, S. and Eastmond, P. J. 2013. Suppression of the SUGAR-DEPENDENT1 triacylglycerol lipase family during seed development enhances oil yield in oilseed rape (Brassica napus L.). Plant Biotechnology Journal. 11 (3), pp. 355-361. https://doi.org/10.1111/pbi.12021

Effects of variety and nutrient availability on the acrylamide-forming potential of rye grain

A - Papers appearing in refereed journals

Postles, J., Powers, S. J., Elmore, J. S., Mottram, D. S. and Halford, N. G. 2013. Effects of variety and nutrient availability on the acrylamide-forming potential of rye grain. Journal of Cereal Science. 57, pp. 463-470. https://doi.org/10.1016/j.jcs.2013.02.001

Shared influence of pathogen and host genetics on a trade-off between latent period and spore production capacity in the wheat pathogen, Puccinia triticina

A - Papers appearing in refereed journals

Pariaud, B., Van Den Berg, F., Van Den Bosch, F., Powers, S. J., Kaltz, O. and Lannou, C. 2013. Shared influence of pathogen and host genetics on a trade-off between latent period and spore production capacity in the wheat pathogen, Puccinia triticina. Evolutionary Applications. 6 (2), pp. 303-312. https://doi.org/10.1111/eva.12000

Inhibition of SnRK1 by metabolites: tissue-dependent effects and cooperative inhibition by glucose 1-phosphate in combination with trehalose 6-phosphate

A - Papers appearing in refereed journals

Nunes, C., Primavesi, L. F., Patel, M. K., Martinez-Barajas, E., Powers, S. J., Sagar, R., Fevereiro, P. S., Davis, B. G. and Paul, M. J. 2013. Inhibition of SnRK1 by metabolites: tissue-dependent effects and cooperative inhibition by glucose 1-phosphate in combination with trehalose 6-phosphate. Plant Physiology and Biochemistry. 63, pp. 89-98. https://doi.org/10.1016/j.plaphy.2012.11.011

Inoculum levels of Meloidogyne hispanica and M. javanica affect nematode reproduction and growth of tomato genotypes

A - Papers appearing in refereed journals

Maleita, C. M. N., Curtis, R. H. C., Powers, S. J. and Abrantes, I. M. De O. 2012. Inoculum levels of Meloidogyne hispanica and M. javanica affect nematode reproduction and growth of tomato genotypes. Phytopathologia mediterranea. 51, pp. 566-576. https://doi.org/10.14601/Phytopathol_Mediterr-9740

Effect of small lipophilic molecules in tomato and rice root exudates on the behaviour of Meloidogyne incognita and M. graminicola

A - Papers appearing in refereed journals

Dutta, T. K., Powers, S. J., Gaur, H. S., Birkett, M. A. and Curtis, R. H. C. 2012. Effect of small lipophilic molecules in tomato and rice root exudates on the behaviour of Meloidogyne incognita and M. graminicola. Nematology. 14, pp. 309-320. https://doi.org/10.1163/156854111X612306

Host status of cultivated plants to Meloidogyne hispanica

A - Papers appearing in refereed journals

Maleita, C. M. N., Curtis, R. H. C., Powers, S. J. and Abrantes, I. M. De O. 2012. Host status of cultivated plants to Meloidogyne hispanica. European Journal of Plant Pathology. 133, pp. 449-460. https://doi.org/10.1007/s10658-011-9918-8

A hypomethylated population of Brassica rapa for forward and reverse epi-genetics

A - Papers appearing in refereed journals

Amoah, S., Kurup, S., Rodriguez Lopez, C. M., Welham, S. J., Powers, S. J., Hopkins, C. J., Wilkinson, M. J. and King, G. J. 2012. A hypomethylated population of Brassica rapa for forward and reverse epi-genetics. BMC Plant Biology. 12, p. 193 (17pp). https://doi.org/10.1186/1471-2229-12-193

Statistics in nematology

B - Book chapters etc edited externally

Powers, S. J. 2012. Statistics in nematology. in: Manzanilla-Lopez, R. H. and Marban-Mendoza, N. (ed.) Practical plant nematology Biblioteca Basica de Agricultura, Texcoco. pp. 841-870

Concentrations of free amino acids and sugars in nine potato varieties: effects of storage and relationship with acrylamide formation

A - Papers appearing in refereed journals

Halford, N. G., Muttucumaru, N., Powers, S. J., Gillatt, P. N., Hartley, L., Elmore, J. S. and Mottram, D. S. 2012. Concentrations of free amino acids and sugars in nine potato varieties: effects of storage and relationship with acrylamide formation. Journal of Agricultural and Food Chemistry - JAFC. 60, pp. 12044-12055. https://doi.org/10.1021/jf3037566

Characterization of the fungal gibberellin desaturase as a 2-oxoglutarate-dependent dioxygenase and its utilization for enhancing plant growth

A - Papers appearing in refereed journals

Bhattacharya, A., Kourmpetli, S., Ward, D. A., Thomas, S. G., Gong, F., Powers, S. J., Carrera, E., Taylor, B., Nunez De Caceres Gonzalez, F., Tudzynski, B., Phillips, A. L., Davey, M. R. and Hedden, P. 2012. Characterization of the fungal gibberellin desaturase as a 2-oxoglutarate-dependent dioxygenase and its utilization for enhancing plant growth. Plant Physiology. 160, pp. 837-845. https://doi.org/10.1104/pp.112.201756

Analysis of the developmental roles of the Arabidopsis gibberellin 20-oxidases demonstrates that GA20ox1, -2 and -3 are the dominant paralogs

A - Papers appearing in refereed journals

Plackett, A. R. G., Powers, S. J., Fernandez-Garcia, N., Urbanova, T., Takebayashi, Y., Seo, M., Jikumaru, Y., Benlloch, R., Nilsson, O., Ruiz-Rivero, O., Phillips, A. L., Wilson, Z. A., Thomas, S. G. and Hedden, P. 2012. Analysis of the developmental roles of the Arabidopsis gibberellin 20-oxidases demonstrates that GA20ox1, -2 and -3 are the dominant paralogs. The Plant Cell. 24, pp. 941-960. https://doi.org/10.1105/tpc.111.095109

Overexpression of GCN2-type protein kinase in wheat has profound effects on free amino acid concentration and gene expression

A - Papers appearing in refereed journals

Byrne, E. H., Prosser, I. M., Muttucumaru, N., Curtis, T. Y., Wingler, A., Powers, S. J. and Halford, N. G. 2012. Overexpression of GCN2-type protein kinase in wheat has profound effects on free amino acid concentration and gene expression. Plant Biotechnology Journal. 10 (3), pp. 328-340. https://doi.org/10.1111/j.1467-7652.2011.00665.x

Aspects of the behaviour of Globodera pallida in the rhizosphere of the trap crop, Solanum sisymbriifolium

C2 - Non-edited contributions to conferences

Sasaki-Crawley, A., Curtis, R. H. C., Birkett, M. A., Powers, S. J., Papadopoulos, A., Blackshaw, R. and Pickett, J. A. 2011. Aspects of the behaviour of Globodera pallida in the rhizosphere of the trap crop, Solanum sisymbriifolium. Abstracts SEE11 Joint Meeting of the Royal Entomological Society of London and the Soil Ecology Society, Plymouth, 14-16 September 2011 .

How does Solanum sisymbriifolium affect Globodera pallida behaviour?

C2 - Non-edited contributions to conferences

Sasaki-Crawley, A., Curtis, R. H. C., Birkett, M. A., Powers, S. J., Papadopoulos, A., Blackshaw, R. P. and Pickett, J. A. 2011. How does Solanum sisymbriifolium affect Globodera pallida behaviour? Abstracts 43rd ONTA Annual Meeting, Coimbra, 4-9 September 2011 .

Plant-nematode interactions: Globodera pallida and Solanum sisymbriifolium

C2 - Non-edited contributions to conferences

Sasaki-Crawley, A., Curtis, R. H. C., Birkett, M. A., Powers, S. J., Papadopoulos, A., Blackshaw, R. and Pickett, J. A. 2011. Plant-nematode interactions: Globodera pallida and Solanum sisymbriifolium. Abstracts AAB Conference Advances in Nematology, London, 13 December 2011 .

Biological and physiological aspects in the host-parasitic relationship of the nematophagous fungus Pochonia chlamydosporia

C1 - Edited contributions to conferences/learned societies

Manzanilla-Lopez, R. H., Esteves, I., Powers, S. J. and Kerry, B. R. 2011. Biological and physiological aspects in the host-parasitic relationship of the nematophagous fungus Pochonia chlamydosporia.

AIGO: towards a unified framework for the analysis and the inter-comparison of GO functional annotations

A - Papers appearing in refereed journals

Defoin-Platel, M., Hindle, M. M., Lysenko, A., Powers, S. J., Habash, D. Z., Rawlings, C. J. and Saqi, M. 2011. AIGO: towards a unified framework for the analysis and the inter-comparison of GO functional annotations. BMC Bioinformatics. 12, p. 431 (13pp). https://doi.org/10.1186/1471-2105-12-431

An engineered pathway for glyoxylate metabolism in tobacco plants aimed to avoid the release of ammonia in photorespiration

A - Papers appearing in refereed journals

Carvalho, J. De F. C., Madgwick, P. J., Powers, S. J., Keys, A. J., Lea, P. J. and Parry, M. A. J. 2011. An engineered pathway for glyoxylate metabolism in tobacco plants aimed to avoid the release of ammonia in photorespiration. BMC Biotechnology. 11, p. 111 (17pp). https://doi.org/10.1186/1472-6750-11-111

Effect of the Mi gene on reproduction of Meloidogyne hispanica on tomato genotypes

A - Papers appearing in refereed journals

Maleita, C. M., Viera Dos Santos, M. C., Curtis, R. H. C., Powers, S. J. and Abrantes, I. M. De O. 2011. Effect of the Mi gene on reproduction of Meloidogyne hispanica on tomato genotypes. Nematology. 13, pp. 939-949. https://doi.org/10.1163/138855411X566449

Determination of the N -glycosylation patterns of seed proteins: applications to determine the authenticity and substantial equivalence of genetically modified (GM) crops

A - Papers appearing in refereed journals

Marsh, J. T., Tryfona, T., Powers, S. J., Stephens, E., Dupree, P., Shewry, P. R. and Lovegrove, A. 2011. Determination of the N -glycosylation patterns of seed proteins: applications to determine the authenticity and substantial equivalence of genetically modified (GM) crops. Journal of Agricultural and Food Chemistry - JAFC. 59, pp. 8779-8788. https://doi.org/10.1021/jf2010854

Identification of new single nucleotide polymorphism-based markers for inter- and intraspecies discrimination of obligate bacterial parasites (Pasteuria spp.) of invertebrates

A - Papers appearing in refereed journals

Mauchline, T. H., Knox, R., Mohan, S., Powers, S. J., Kerry, B. R., Davies, K. G. and Hirsch, P. R. 2011. Identification of new single nucleotide polymorphism-based markers for inter- and intraspecies discrimination of obligate bacterial parasites (Pasteuria spp.) of invertebrates. Applied and Environmental Microbiology. 77, pp. 6388-6394. https://doi.org/10.1128/AEM.05185-11

Modelling rotations: can crop sequences explain arable seedbank abundance?

A - Papers appearing in refereed journals

Bohan, D. A., Powers, S. J., Champion, G., Haughton, A. J., Hawes, C., Squire, G., Cussans, J. and Mertens, S. K. 2011. Modelling rotations: can crop sequences explain arable seedbank abundance? Weed Research. 51 (4), pp. 422-432. https://doi.org/10.1111/j.1365-3180.2011.00860.x

Effects of crop plants on abundance of Pochonia chlamydosporia and other fungal parasites of root-knot and potato cyst nematodes

A - Papers appearing in refereed journals

Manzanilla-Lopez, R. H., Esteves, I., Powers, S. J. and Kerry, B. R. 2011. Effects of crop plants on abundance of Pochonia chlamydosporia and other fungal parasites of root-knot and potato cyst nematodes. Annals of Applied Biology - AAB. 159 (1), pp. 118-129. https://doi.org/10.1111/j.1744-7348.2011.00479.x

Genetic mapping of rust resistance loci in biomass willow

A - Papers appearing in refereed journals

Hanley, S. J., Pei, M. H., Powers, S. J., Ruiz, C., Mallott, M. D., Barker, J. H. A. and Karp, A. 2011. Genetic mapping of rust resistance loci in biomass willow. Tree Genetics & Genomes. 7 (3), pp. 597-608. https://doi.org/10.1007/s11295-010-0359-x

Biological and physiological aspects in the host-parasite relationship of the nematophagous fungus Pochonia chlamydosporia

C2 - Non-edited contributions to conferences

Manzanilla-Lopez, R. H., Esteves, I., Powers, S. J. and Kerry, B. R. 2011. Biological and physiological aspects in the host-parasite relationship of the nematophagous fungus Pochonia chlamydosporia. Abstracts 6th IOBC Working Group Meeting on Multitrophic Interactions, Cordoba, 4-7 April 2011 . pp. 114

Comparison of host recognition, invasion, development and reproduction of Meloidogyne graminicola and M. incognita on rice and tomato

A - Papers appearing in refereed journals

Dutta, T. K., Powers, S. J., Kerry, B. R., Gaur, H. S. and Curtis, R. H. C. 2011. Comparison of host recognition, invasion, development and reproduction of Meloidogyne graminicola and M. incognita on rice and tomato. Nematology. 13, pp. 509-520. https://doi.org/10.1163/138855410X528262

Chemotaxis can take plant-parasitic nematodes to the source of a chemo-attractant via the shortest possible routes

A - Papers appearing in refereed journals

Reynolds, A. M., Dutta, T. K., Curtis, R. H. C., Powers, S. J., Gaur, H. S. and Kerry, B. R. 2011. Chemotaxis can take plant-parasitic nematodes to the source of a chemo-attractant via the shortest possible routes. Journal of the Royal Society Interface. 8, pp. 568-577. https://doi.org/10.1098/rsif.2010.0417

Inactivation of plant infecting fungal and viral pathogens to achieve biological containment in drainage water using UV treatment

A - Papers appearing in refereed journals

Urban, M., Motteram, J., Jing, H-C., Powers, S. J., Townsend, J. A., Devonshire, J., Pearman, I., Kanyuka, K., Franklin, J. F. and Hammond-Kosack, K. E. 2011. Inactivation of plant infecting fungal and viral pathogens to achieve biological containment in drainage water using UV treatment. Journal of Applied Microbiology. 110 (3), pp. 675-687. https://doi.org/10.1111/j.1365-2672.2010.04917.x

Aspects of behaviour of Globodera pallida in the rhizosphere of the trap crop, Solanum sisymbriifolium

C2 - Non-edited contributions to conferences

Sasaki-Crawley, A., Curtis, R. H. C., Birkett, M. A., Powers, S. J., Papadopoulos, A., Pickett, J. A., Blackshaw, R. and Kerry, B. R. 2010. Aspects of behaviour of Globodera pallida in the rhizosphere of the trap crop, Solanum sisymbriifolium. Abstracts 30th International Symposium of the European Society of Nematologists, Vienna, 19-23 September 2010 . pp. 157

Behaviour of Globodera pallida in the rhizosphere of the trap crop, Solanum sisymbriifolium

C2 - Non-edited contributions to conferences

Sasaki-Crawley, A., Curtis, R. H. C., Birkett, M. A., Powers, S. J., Papadopoulos, A., Blackshaw, R. and Pickett, J. A. 2010. Behaviour of Globodera pallida in the rhizosphere of the trap crop, Solanum sisymbriifolium. Abstracts AAB Conference on Advances in Nematology, London, 14 December 2010 .

Signalling and behaviour of potato cyst nematode in the rhizosphere of the trap crop, Solanum sisymbriifolium

C1 - Edited contributions to conferences/learned societies

Sasaki-Crawley, A., Curtis, R. H. C., Birkett, M. A., Powers, S. J., Papadopoulos, A., Pickett, J. A., Blackshaw, R. and Kerry, B. R. 2010. Signalling and behaviour of potato cyst nematode in the rhizosphere of the trap crop, Solanum sisymbriifolium. 3rd Symposium on Potato Cyst Nematodes. Aspects of Applied Biology 103 . pp. 45-51

Analysis of leaf appearance, leaf death and phoma leaf spot, caused by Leptosphaeria maculans, on oilseed rape (Brassica napus) cultivars

A - Papers appearing in refereed journals

Powers, S. J., Pirie, E. J., Latunde-Dada, A. O. and Fitt, B. D. L. 2010. Analysis of leaf appearance, leaf death and phoma leaf spot, caused by Leptosphaeria maculans, on oilseed rape (Brassica napus) cultivars. Annals of Applied Biology - AAB. 157 (1), pp. 55-70. https://doi.org/10.1111/j.1744-7348.2010.00409.x

Rubisco activities, properties and regulation in three different C4 grasses under drought

A - Papers appearing in refereed journals

Carmo-Silva, A. E., Keys, A. J., Andralojc, P. J., Powers, S. J., Arrabaca, M. C. and Parry, M. A. J. 2010. Rubisco activities, properties and regulation in three different C4 grasses under drought. Journal of Experimental Botany. 61, pp. 2355-2366. https://doi.org/10.1093/jxb/erq071

Effects of crop nutrition on wheat grain composition and end use quality

A - Papers appearing in refereed journals

Godfrey, D., Hawkesford, M. J., Powers, S. J., Millar, S. and Shewry, P. R. 2010. Effects of crop nutrition on wheat grain composition and end use quality. Journal of Agricultural and Food Chemistry - JAFC. 58, pp. 3012-3021. https://doi.org/10.1021/jf9040645

Free amino acids and sugars in rye grain: implications for acrylamide formation

A - Papers appearing in refereed journals

Curtis, T. Y., Powers, S. J., Balagiannis, D., Elmore, J. S., Mottram, D. S., Parry, M. A. J., Rakszegi, M., Bedo, Z., Shewry, P. R. and Halford, N. G. 2010. Free amino acids and sugars in rye grain: implications for acrylamide formation. Journal of Agricultural and Food Chemistry - JAFC. 58, pp. 1959-1969. https://doi.org/10.1021/jf903577b

Quantitative resistance increases the durability of qualitative resistance to Leptosphaeria maculans in Brassica napus

A - Papers appearing in refereed journals

Brun, H., Chevre, A-M., Fitt, B. D. L., Powers, S. J., Besnard, A-L., Ermel, M., Huteau, V., Marquer, B., Eber, F., Renard, M. and Andrivon, D. 2010. Quantitative resistance increases the durability of qualitative resistance to Leptosphaeria maculans in Brassica napus. New Phytologist. 185 (1), pp. 285-299. https://doi.org/10.1111/j.1469-8137.2009.03049.x

Statistical modelling of multiple responses with repeated measures on experimental units

C2 - Non-edited contributions to conferences

Powers, S. J., Pirie, E. J. and Nemeth, C. 2009. Statistical modelling of multiple responses with repeated measures on experimental units. Cambridge University Press (CUP). https://doi.org/10.1017/S0021859609990359

Grasses of different C4 subtypes reveal leaf traits related to drought tolerance in their natural habitats: changes in structure, water potential and amino acid content

A - Papers appearing in refereed journals

Carmo-Silva, A. E., Francisco, A., Powers, S. J., Keys, A. J., Ascensao, L., Parry, M. A. J. and Arrabaca, M. C. 2009. Grasses of different C4 subtypes reveal leaf traits related to drought tolerance in their natural habitats: changes in structure, water potential and amino acid content. American Journal Of Botany. 96, pp. 1222-1235. https://doi.org/10.3732/ajb.0800224

Nutritional effects of a host plant (potato) and break crops on Pochonia chlamydosporia and other fungal parasites of the potato cyst nematode, Globodera pallida

C2 - Non-edited contributions to conferences

Manzanilla-Lopez, R. H., Esteves, I., Powers, S. J. and Kerry, B. R. 2009. Nutritional effects of a host plant (potato) and break crops on Pochonia chlamydosporia and other fungal parasites of the potato cyst nematode, Globodera pallida. Abstracts 2nd International Congress of Tropical Nematology, Maceio, Brazil, 4-9 October 2009 .

Signalling and behaviour of potato cyst nematode in the rhizosphere of the trap crop, Solanum sisymbriifolium

C2 - Non-edited contributions to conferences

Sasaki-Crawley, A., Curtis, R. H. C., Birkett, M. A., Powers, S. J., Barker, A., Pickett, J. A., Blackshaw, R. and Kerry, B. R. 2009. Signalling and behaviour of potato cyst nematode in the rhizosphere of the trap crop, Solanum sisymbriifolium. Abstracts AAB Conference on Advances in Nematology, London, 15 December 2009 .

Inhibition of SNF1-related protein kinase1 activity and regulation of metabolic pathways by trehalose-6-phosphate

A - Papers appearing in refereed journals

Zhang, Y., Primavesi, L. F., Jhurreea, D., Andralojc, P. J., Mitchell, R. A. C., Powers, S. J., Schluepmann, H., Delatte, T., Wingler, A. and Paul, M. J. 2009. Inhibition of SNF1-related protein kinase1 activity and regulation of metabolic pathways by trehalose-6-phosphate. Plant Physiology. 149 (4), pp. 1860-1871. https://doi.org/10.1104/pp.108.133934

Characterization of two unusual features of resistance to Soilborne cereal mosaic virus in hexaploid wheat: leakiness and gradual elimination of viral coat protein from infected root tissues

A - Papers appearing in refereed journals

Lyons, R., Kutluk Yilmaz, N. D., Powers, S. J., Hammond-Kosack, K. E. and Kanyuka, K. 2009. Characterization of two unusual features of resistance to Soilborne cereal mosaic virus in hexaploid wheat: leakiness and gradual elimination of viral coat protein from infected root tissues. Molecular Plant-Microbe Interactions - MPMI. 22 (5), pp. 560-574. https://doi.org/10.1094/MPMI-22-5-0560

Effects of osmotic and matric potential on radial growth and accumulation of endogenous reserves in three isolates of Pochonia chlamydosporia

A - Papers appearing in refereed journals

Esteves, I., Peteira, B., Powers, S. J., Magan, N. and Kerry, B. R. 2009. Effects of osmotic and matric potential on radial growth and accumulation of endogenous reserves in three isolates of Pochonia chlamydosporia. Biocontrol Science and Technology. 19, pp. 185-199. https://doi.org/10.1080/09583150802650175

Effects of genotype and environment on free amino acid levels in wheat grain: implications for acrylamide formation during processing

A - Papers appearing in refereed journals

Curtis, T. Y., Muttucumaru, N., Shewry, P. R., Parry, M. A. J., Powers, S. J., Elmore, J. S., Mottram, D. S., Hook, S. and Halford, N. G. 2009. Effects of genotype and environment on free amino acid levels in wheat grain: implications for acrylamide formation during processing. Journal of Agricultural and Food Chemistry - JAFC. 57, pp. 1013-1021. https://doi.org/10.1021/jf8031292

Apical leaf necrosis as a defence mechanism against pathogen attack: effects of high nutrient availability on onset and rate of necrosis

A - Papers appearing in refereed journals

Van Den Berg, F., Van Den Bosch, F., Powers, S. J. and Shaw, M. W. 2008. Apical leaf necrosis as a defence mechanism against pathogen attack: effects of high nutrient availability on onset and rate of necrosis. Plant Pathology. 57 (6), pp. 1009-1016. https://doi.org/10.1111/j.1365-3059.2008.01865.x

Establishing substantial equivalence: transcriptomics

B - Book chapters etc edited externally

Baudo, M. M., Powers, S. J. and Mitchell, R. A. C. 2008. Establishing substantial equivalence: transcriptomics. in: Shewry, P. R. and Jones, H. D. (ed.) Transgenic wheat, barley and oats. Methods in molecular biology, vol. 478 Humana Press, New York. pp. 247-272

Genetic analysis reveals that C19-GA 2-oxidation is a major gibberellin inactivation pathway in Arabidopsis

A - Papers appearing in refereed journals

Rieu, I., Eriksson, S., Powers, S. J., Gong, F., Griffiths, J., Woolley, L., Benlloch, R., Nilsson, O., Thomas, S. G., Hedden, P. and Phillips, A. L. 2008. Genetic analysis reveals that C19-GA 2-oxidation is a major gibberellin inactivation pathway in Arabidopsis. The Plant Cell. 20, pp. 2420-2436. https://doi.org/10.1105/tpc.108.058818

Avoidance of conspecific odour by carabid beetles: a mechanism for the emergence of scale-free searching patterns

A - Papers appearing in refereed journals

Guy, A. G., Bohan, D. A., Powers, S. J. and Reynolds, A. M. 2008. Avoidance of conspecific odour by carabid beetles: a mechanism for the emergence of scale-free searching patterns. Animal Behaviour. 76, pp. 585-591. https://doi.org/10.1016/j.anbehav.2008.04.004

GCN2-dependent phosphorylation of eukaryotic translation initiation factor 2-alpha in Arabidopsis

A - Papers appearing in refereed journals

Zhang, Y., Wang, Y., Kanyuka, K., Parry, M. A. J., Powers, S. J. and Halford, N. G. 2008. GCN2-dependent phosphorylation of eukaryotic translation initiation factor 2-alpha in Arabidopsis. Journal of Experimental Botany. 59 (11), pp. 3131-3141. https://doi.org/10.1093/jxb/ern169

Photorespiration in C4 grasses remains slow under drought conditions

A - Papers appearing in refereed journals

Carmo-Silva, A. E., Powers, S. J., Keys, A. J., Arrabaca, M. C. and Parry, M. A. J. 2008. Photorespiration in C4 grasses remains slow under drought conditions. Plant, Cell and Environment. 31 (7), pp. 925-940. https://doi.org/10.1111/j.1365-3040.2008.01805.x

The importance of temperature and moisture to the egg-laying behaviour of a pest slug, Deroceras reticulatum

A - Papers appearing in refereed journals

Willis, J. C., Bohan, D. A., Powers, S. J., Choi, Y. H., Park, J. and Gussin, E. 2008. The importance of temperature and moisture to the egg-laying behaviour of a pest slug, Deroceras reticulatum. Annals of Applied Biology - AAB. 153 (1), pp. 105-115. https://doi.org/10.1111/j.1744-7348.2008.00242.x

The gibberellin biosynthetic genes AtGA20ox1 and AtGA20ox2 act, partially redundantly, to promote growth and development throughout the Arabidopsis lifecycle

A - Papers appearing in refereed journals

Rieu, I., Ruiz-Rivero, O., Fernandez-Garcia, N., Griffiths, J., Powers, S. J., Gong, F., Linhartova, T., Eriksson, S., Nilsson, O., Thomas, S. G., Phillips, A. L. and Hedden, P. 2008. The gibberellin biosynthetic genes AtGA20ox1 and AtGA20ox2 act, partially redundantly, to promote growth and development throughout the Arabidopsis lifecycle. The Plant Journal. 53 (3), pp. 488-504. https://doi.org/10.1111/j.1365-313X.2007.03356.x

Effect of variety and environmental factors on gluten proteins: an analytical, spectroscopic and rheological study

A - Papers appearing in refereed journals

Georget, D. M. R., Toscano-Underwood, C., Powers, S. J., Shewry, P. R. and Belton, P. S. 2008. Effect of variety and environmental factors on gluten proteins: an analytical, spectroscopic and rheological study. Journal of Agricultural and Food Chemistry - JAFC. 56, pp. 1172-1179. https://doi.org/10.1021/jf072443t

Identification of human-derived volatile chemicals that interfere with attraction of Aedes aegypti mosquitoes

A - Papers appearing in refereed journals

Logan, J. G., Birkett, M. A., Clark, S. J., Powers, S. J., Seal, N. J., Wadhams, L. J., Mordue (Luntz), A. J. and Pickett, J. A. 2008. Identification of human-derived volatile chemicals that interfere with attraction of Aedes aegypti mosquitoes. Journal of Chemical Ecology. 34, pp. 308-322. https://doi.org/10.1007/s10886-008-9436-0

Decreased shoot stature and grain alpha-amylase activity following ectopic expression of a gibberellin 2-oxidase gene in transgenic wheat

A - Papers appearing in refereed journals

Appleford, N. E., Wilkinson, M. D., Ma, Q., Evans, D. J., Stone, M. C., Pearce, S. P., Powers, S. J., Thomas, S. G., Jones, H. D., Phillips, A. L., Hedden, P. and Lenton, J. R. 2007. Decreased shoot stature and grain alpha-amylase activity following ectopic expression of a gibberellin 2-oxidase gene in transgenic wheat. Journal of Experimental Botany. 58, pp. 3213-3226. https://doi.org/10.1093/jxb/erm166

Genetic variation in pea (Pisum sativum L.) demonstrates the importance of root but not shoot C/N ratios in the control of plant morphology and reveals a unique relationship between shoot length and nodulation intensity

A - Papers appearing in refereed journals

Ludidi, N. N., Pellny, T. K., Kiddle, G., Dutilleul, C., Groten, K., Van Heerden, P. D. R., Dutt, S., Powers, S. J., Romer, P. and Foyer, C. H. 2007. Genetic variation in pea (Pisum sativum L.) demonstrates the importance of root but not shoot C/N ratios in the control of plant morphology and reveals a unique relationship between shoot length and nodulation intensity. Plant, Cell and Environment. 30 (10), pp. 1256-1268. https://doi.org/10.1111/j.1365-3040.2007.01699.x

Are GM and conventionally bred cereals really different?

A - Papers appearing in refereed journals

Shewry, P. R., Baudo, M., Lovegrove, A., Powers, S. J., Napier, J. A., Ward, J. L., Baker, J. M. and Beale, M. H. 2007. Are GM and conventionally bred cereals really different? Trends in Food Science and Technology. 18, pp. 201-209. https://doi.org/10.1016/j.tifs.2006.12.010

Genetic characterization and functional analysis of the GID1 gibberellin receptors in Arabidopsis

A - Papers appearing in refereed journals

Griffiths, J., Murase, K., Rieu, I., Zentella, R., Zhang, Z-L., Powers, S. J., Gong, F., Phillips, A. L., Hedden, P., Sun, T-P. and Thomas, S. G. 2006. Genetic characterization and functional analysis of the GID1 gibberellin receptors in Arabidopsis. The Plant Cell. 18 (12), pp. 3399-3414. https://doi.org/10.1105/tpc.106.047415

Comparative field performance over 3 years and two sites of transgenic wheat lines expressing HMW subunit transgenes

A - Papers appearing in refereed journals

Shewry, P. R., Powers, S. J., Field, J. M., Fido, R. J., Jones, H. D., Arnold, G. M., West, J., Lazzeri, P. A., Barcelo, P., Barro, F., Tatham, A. S., Bekes, F., Butow, B. and Darlington, H. 2006. Comparative field performance over 3 years and two sites of transgenic wheat lines expressing HMW subunit transgenes. Theoretical and Applied Genetics. 113, pp. 128-136. https://doi.org/10.1007/s00122-006-0279-1

Production of high-starch, low-glucose potatoes through over-expression of the metabolic regulator SnRK1

A - Papers appearing in refereed journals

Mckibbin, R. S., Muttucumaru, N., Paul, M. J., Powers, S. J., Burrell, M. M., Coates, S., Purcell, P. C., Tiessen, A., Geigenberger, P. and Halford, N. G. 2006. Production of high-starch, low-glucose potatoes through over-expression of the metabolic regulator SnRK1. Plant Biotechnology Journal. 4 (4), pp. 409-418. https://doi.org/10.1111/j.1467-7652.2006.00190.x

Transgenesis has less impact on the transcriptome of wheat grain than conventional breeding

A - Papers appearing in refereed journals

Baudo, M. M., Lyons, R., Powers, S. J., Pastori, G. M., Edwards, K. J., Holdsworth, M. J. and Shewry, P. R. 2006. Transgenesis has less impact on the transcriptome of wheat grain than conventional breeding. Plant Biotechnology Journal. 4 (4), pp. 369-380. https://doi.org/10.1111/j.1467-7652.2006.00193.x

Simulated beetle defoliation on willow genotypes in mixture and monotype plantations

A - Papers appearing in refereed journals

Powers, S. J., Peacock, L., Yap, M-L. and Brain, P. 2006. Simulated beetle defoliation on willow genotypes in mixture and monotype plantations. Annals of Applied Biology - AAB. 148 (1), pp. 27-38. https://doi.org/10.1111/j.1744-7348.2005.00035.x

Enhanced seed phytosterol accumulation through expression of a modified HMG-CoA reductase

A - Papers appearing in refereed journals

Hey, S. J., Powers, S. J., Beale, M. H., Hawkins, N. D., Ward, J. L. and Halford, N. G. 2006. Enhanced seed phytosterol accumulation through expression of a modified HMG-CoA reductase. Plant Biotechnology Journal. 4 (2), pp. 219-229. https://doi.org/10.1111/j.1467-7652.2005.00174.x

Statistical modelling of weed seedbanks to consider the effect of crop rotations

C2 - Non-edited contributions to conferences

Powers, S. J. and Bohan, D. A. 2005. Statistical modelling of weed seedbanks to consider the effect of crop rotations. Cambridge University Press (CUP).

Predicting the environmental thresholds for cambial and secondary vascular tissue development in stems of hybrid aspen

A - Papers appearing in refereed journals

Barlow, P. W. and Powers, S. J. 2005. Predicting the environmental thresholds for cambial and secondary vascular tissue development in stems of hybrid aspen. Annals Of Forest Science. 62, pp. 565-573.

Behavioural responses by slugs to chemicals from a generalist predator

A - Papers appearing in refereed journals

Armsworth, C. G., Bohan, D. A., Powers, S. J., Glen, D. M. and Symondson, W. O. C. 2005. Behavioural responses by slugs to chemicals from a generalist predator. Animal Behaviour. 69, pp. 805-811.

A perspective on the measurement of time in plant disease epidemiology

A - Papers appearing in refereed journals

Lovell, D. J., Powers, S. J., Welham, S. J. and Parker, S. R. 2004. A perspective on the measurement of time in plant disease epidemiology. Plant Pathology. 53 (6), pp. 705-712. https://doi.org/10.1111/j.1365-3059.2004.01097.x

Effects of host variety on blue willow beetle Phratora vulgatissima performance

A - Papers appearing in refereed journals

Peacock, L., Harris, J. and Powers, S. J. 2004. Effects of host variety on blue willow beetle Phratora vulgatissima performance. Annals of Applied Biology - AAB. 144 (1), pp. 45-52. https://doi.org/10.1111/j.1744-7348.2004.tb00315.x

Modelling Deroceras reticulatum (Gastropoda) population dynamics based on daily temperature and rainfall

A - Papers appearing in refereed journals

Choi, Y. H., Bohan, D. A., Powers, S. J., Wiltshire, C. W., Glen, D. M. and Semenov, M. A. 2004. Modelling Deroceras reticulatum (Gastropoda) population dynamics based on daily temperature and rainfall. Agriculture, Ecosystems & Environment. 103, pp. 519-525.

Effect of temperature on latent period of septoria leaf blotch on winter wheat under outdoor conditions

A - Papers appearing in refereed journals

Lovell, D. J., Hunter, T., Powers, S. J., Parker, S. R. and Van Den Bosch, F. 2004. Effect of temperature on latent period of septoria leaf blotch on winter wheat under outdoor conditions. Plant Pathology. 53 (2), pp. 170-181. https://doi.org/10.1111/j.1365-3059.2004.00983.x

A comparative study of interspecies mating of Phratora vulgatissima and P. vitellinae using behavioural tests and molecular markers

A - Papers appearing in refereed journals

Peacock, L., Batley, J., Dungait, J. A. J., Barker, J. H. A., Powers, S. J. and Karp, A. 2004. A comparative study of interspecies mating of Phratora vulgatissima and P. vitellinae using behavioural tests and molecular markers. Entomologia Experimentalis et Applicata. 110 (3), pp. 231-241. https://doi.org/10.1111/j.0013-8703.2004.00143.x

Timing of weed management and yield losses due to weeds in irrigated rice in the Sahel

A - Papers appearing in refereed journals

Johnson, D. E., Wopereis, M. C. S., Mbodj, D., Diallo, S., Powers, S. J. and Haefele, S. M. 2004. Timing of weed management and yield losses due to weeds in irrigated rice in the Sahel. Field Crops Research. 85 (1), pp. 31-42. https://doi.org/10.1016/S0378-4290(03)00124-2

Geographic variation in phenotypic traits in Phratora spp. and the effects of conditioning on feeding preference

A - Papers appearing in refereed journals

Peacock, L., Carter, P., Powers, S. J. and Karp, A. 2003. Geographic variation in phenotypic traits in Phratora spp. and the effects of conditioning on feeding preference. Entomologia Experimentalis et Applicata. 109 (1), pp. 31-37. https://doi.org/10.1046/j.1570-7458.2003.00090.x

First-order differential equation models with estimable parameters as functions of environmental variables and their application to a study of vascular development in young hybrid aspen stems

A - Papers appearing in refereed journals

Powers, S. J., Brain, P. and Barlow, P. W. 2003. First-order differential equation models with estimable parameters as functions of environmental variables and their application to a study of vascular development in young hybrid aspen stems. Journal of Theoretical Biology. 222 (2), pp. 219-232. https://doi.org/10.1016/S0022-5193(03)00030-4

Confidential report to Bayer CropScience

D1 - Technical reports: non-confidential

Newman, J. R., Powers, S. J., Kaur, P. and Caswell, B. 2002. Confidential report to Bayer CropScience.

Confidential report to Monsanto

D1 - Technical reports: non-confidential

Newman, J. R., Powers, S. J., Kaur, P. and Caswell, B. 2002. Confidential report to Monsanto.

Confidential report to Monsanto

D1 - Technical reports: non-confidential

Kaur, P., Caswell, B., Newman, J. R. and Powers, S. J. 2002. Confidential report to Monsanto.

Estimation of directional division frequencies in vascular cambium and in marginal meristematic cells of plants

A - Papers appearing in refereed journals

Barlow, P. W., Brain, P. and Powers, S. J. 2002. Estimation of directional division frequencies in vascular cambium and in marginal meristematic cells of plants. Cell Proliferation. 35, pp. 49-68.

Modelling the dynamics of slug and nematode interaction incorporating response to environmental variables

C2 - Non-edited contributions to conferences

Choi, Y-H., Powers, S. J., Bohan, D. A., Semenov, M. A., Glen, D. M., Wiltshire, C. W. and Brain, P. 2001. Modelling the dynamics of slug and nematode interaction incorporating response to environmental variables. Abstracts IMA Conference on Mathematical Modelling and Statistical Analysis of Infectious Diseases, Cardiff, 11-13 September 2001 .

Modelling a slug population using differential equations

C2 - Non-edited contributions to conferences

Choi, Y-H., Powers, S. J., Bohan, D. A., Wiltshire, C. W., Glen, D. M. and Semenov, M. A. 2001. Modelling a slug population using differential equations. Abstracts Meeting of the OILB/IOBC Working Group on Integrated Control of Soil Pests, Subgroup on Integrated Control of Slugs and Snails, Lyons, 8-9 March 2001 .

Volatile compounds from Salix spp. varieties differing in susceptibility to three willow beetle species

A - Papers appearing in refereed journals

Peacock, L., Lewis, M. and Powers, S. J. 2001. Volatile compounds from Salix spp. varieties differing in susceptibility to three willow beetle species. Journal of Chemical Ecology. 27, pp. 1943-1951.

Differential equation models for biological data dependent on functions of environmental variables

C2 - Non-edited contributions to conferences

Powers, S. J., Brain, P. and Barlow, P. W. 2001. Differential equation models for biological data dependent on functions of environmental variables. Cambridge University Press (CUP).