Effects of weather on the vectors.

Heathcote, G. D. 1988. Effects of weather on the vectors. IIRB Pests and Diseases Study Group, Brussels, 1988 . pp. 43-47

Related outputs

Control by cultural methods.

C2 - Non-edited contributions to conferences

Ensboro, B. and Heathcote, G. D. 1988. Control by cultural methods. IIRB Pests and Diseases Study Group, Brussels, 1988 . pp. 69-72

Vectors and virus transmission.

C2 - Non-edited contributions to conferences

Heathcote, G. D. 1988. Vectors and virus transmission. IIRB Pests and Diseases Study Group, Brussels, 1988 . pp. 37-41

Yellow cylindrical sticky aphid traps at Rothamsted and Broom's Barn with particular reference to the study of yellowing viruses affecting sugar beet.

G - Articles in popular magazines and other technical publications

Heathcote, G. D. 1986. Yellow cylindrical sticky aphid traps at Rothamsted and Broom's Barn with particular reference to the study of yellowing viruses affecting sugar beet.

Virus yellows of sugar beet.

G - Articles in popular magazines and other technical publications

Heathcote, G. D. 1986. Virus yellows of sugar beet.

Pest and disease incidence and pesticide usage

G - Articles in popular magazines and other technical publications

Cooke, D. A., Dunning, A., Byford, W. and Heathcote, G. D. 1984. Pest and disease incidence and pesticide usage. British Sugar Beet Review. 52(2), pp. 25-28.

Aphicidal persistence of aldicarb and possibilities for forecasting the need for its use before sowing sugar-beet crops

A - Papers appearing in refereed journals

Heathcote, G. D. 1983. Aphicidal persistence of aldicarb and possibilities for forecasting the need for its use before sowing sugar-beet crops. Aspects of Applied Biology. 2, pp. 19-27.

Potato plants used as traps to determine when winged aphids which can carry yellowing viruses invaded some European sugar-beet crops, 1975-1977

A - Papers appearing in refereed journals

Heathcote, G. D., Engsbro, B., Haeni, A. and Maensson, B. 1982. Potato plants used as traps to determine when winged aphids which can carry yellowing viruses invaded some European sugar-beet crops, 1975-1977. Proceedings - International Institute for Sugar Beet Research(IIRB) Winter Congress.

Review of losses caused by virus yellows in English sugar-beet crops and cost of partial control with insecticides

A - Papers appearing in refereed journals

Heathcote, G. D. 1978. Review of losses caused by virus yellows in English sugar-beet crops and cost of partial control with insecticides. Plant Pathology. 27 (1), pp. 12-17. https://doi.org/10.1111/j.1365-3059.1978.tb01065.x

Effect of virus yellows on yield of some monogerm cultivars of sugar-beet

A - Papers appearing in refereed journals

Heathcote, G. D. 1978. Effect of virus yellows on yield of some monogerm cultivars of sugar-beet. Annals of Applied Biology - AAB. 88 (1), pp. 145-151. https://doi.org/10.1111/j.1744-7348.1978.tb00689.x

Coccinellid beetles on sugar-beet in eastern England, 1961-75

A - Papers appearing in refereed journals

Heathcote, G. D. 1978. Coccinellid beetles on sugar-beet in eastern England, 1961-75. Plant Pathology. 27 (3), pp. 103-109. https://doi.org/10.1111/j.1365-3059.1978.tb01092.x

Should we use aphicides?

A - Papers appearing in refereed journals

Heathcote, G. D. 1977. Should we use aphicides? Proceedings of the British Crop Protection Council. (3), pp. 895-901.

Use of forecasting in chemical control of black bean aphid, Aphis fabae Scop., on spring‐sown field beans, Vicia faba L.

A - Papers appearing in refereed journals

Way, M. J., Cammell, M. E., Alford, D. V., Gould, H. J., Graham, C. W., Lane, A., Light, Wisg, Rayner, J. M., Heathcote, G. D., Fletcher, K. E. and Seal, K. 1977. Use of forecasting in chemical control of black bean aphid, Aphis fabae Scop., on spring‐sown field beans, Vicia faba L. Plant Pathology. 26 (1), pp. 1-7. https://doi.org/10.1111/j.1365-3059.1977.tb01965.x

The use of weather data and counts of aphids in field to predict incidence of yellowing viruses of sugar-beet crops in England in relation to use of insecticides

A - Papers appearing in refereed journals

Watson, M. A., Heathcote, G. D., Lauckner, F. B. and Sowray, P. A. 1975. The use of weather data and counts of aphids in field to predict incidence of yellowing viruses of sugar-beet crops in England in relation to use of insecticides. Annals of Applied Biology - AAB. 81 (2), pp. 181-198. https://doi.org/10.1111/j.1744-7348.1975.tb00534.x

Lacewings

A - Papers appearing in refereed journals

Heathcote, G. D. 1974. Lacewings. Transactions Suffolk Natural History. 16 (4), pp. 220-223.

Effect of plant spacing, nitrogen fertilizer and irrigation on appearance of symptoms and spread of virus yellows in sugar-beet crops

A - Papers appearing in refereed journals

Heathcote, G. D. 1974. Effect of plant spacing, nitrogen fertilizer and irrigation on appearance of symptoms and spread of virus yellows in sugar-beet crops. The Journal of Agricultural Science. 82 (1), pp. 53-60. https://doi.org/10.1017/s002185960005022x

Aphids caught on sticky traps in eastern England in relation to spread of yellowing viruses of sugar-beet

A - Papers appearing in refereed journals

Heathcote, G. D. 1974. Aphids caught on sticky traps in eastern England in relation to spread of yellowing viruses of sugar-beet. Bulletin of Entomological Research. 64 (4), pp. 669-676. https://doi.org/10.1017/s0007485300035963

Nematode-transmitted viruses of sugar-beet in England, 1965-1972

A - Papers appearing in refereed journals

Heathcote, G. D. 1973. Nematode-transmitted viruses of sugar-beet in England, 1965-1972. Plant Pathology. 22 (4), pp. 156-160. https://doi.org/10.1111/j.1365-3059.1973.tb01799.x

Beet mosaic - declining disease in England

A - Papers appearing in refereed journals

Heathcote, G. D. 1973. Beet mosaic - declining disease in England. Plant Pathology. 22 (1), pp. 42-45. https://doi.org/10.1111/j.1365-3059.1973.tb01767.x

Coccinellid beetles on the East Coast

A - Papers appearing in refereed journals

Heathcote, G. D. 1972. Coccinellid beetles on the East Coast. Transactions Suffolk Natural History. 15 (6), pp. 515-515.

Influence of cultural factors on incidence of aphids and yellows in beet

A - Papers appearing in refereed journals

Heathcote, G. D. 1972. Influence of cultural factors on incidence of aphids and yellows in beet. Iirb-Institut International De Recherches Betteravieres. 6 (1), pp. 6-14.

Abundance of Aphids and some Insects,that prey on them in Suffolk, as shown catches on Sticky Traps

A - Papers appearing in refereed journals

Heathcote, G. D. 1971. Abundance of Aphids and some Insects,that prey on them in Suffolk, as shown catches on Sticky Traps . Transactions Suffolk Natural History. 15 (5), pp. 437-442.

Weeds, herbicides and plant virus diseases

A - Papers appearing in refereed journals

Heathcote, G. D. 1970. Weeds, herbicides and plant virus diseases. British weed control conference. 10, pp. 934-941.

Notes on some plant bugs and predators of aphids caught on sticky traps in sugar beet fields in southern England, 1965-1968

A - Papers appearing in refereed journals

Heathcote, G. D. 1970. Notes on some plant bugs and predators of aphids caught on sticky traps in sugar beet fields in southern England, 1965-1968. Proceedings - International Institute for Sugar Beet Research(IIRB) Winter Congress. 4 (1), pp. 25-29.

Effect of pelleting Sugar Beet seed with menazon

A - Papers appearing in refereed journals

Heathcote, G. D. 1970. Effect of pelleting Sugar Beet seed with menazon. Proceedings - International Institute for Sugar Beet Research(IIRB) Winter Congress. 5 (1), pp. 42-51.

The Abundance of Grass Aphids in Eastern England as shown hy Sticky Trap Catches

A - Papers appearing in refereed journals

Heathcote, G. D. 1970. The Abundance of Grass Aphids in Eastern England as shown hy Sticky Trap Catches. Plant Pathology. 19 (2), pp. 87-90. https://doi.org/10.1111/j.1365-3059.1970.tb00987.x

Effect of plant spacing and time of sowing of sugar beet on aphid infestation and spread of virus yellows

A - Papers appearing in refereed journals

Heathcote, G. D. 1970. Effect of plant spacing and time of sowing of sugar beet on aphid infestation and spread of virus yellows. Plant Pathology. 19 (1), pp. 32-39. https://doi.org/10.1111/j.1365-3059.1970.tb00975.x

Cultural factors affecting colonization of sugar beet by different aphid species

A - Papers appearing in refereed journals

Heathcote, G. D. 1969. Cultural factors affecting colonization of sugar beet by different aphid species. Annals of Applied Biology - AAB. 63 (2), pp. 315-344. https://doi.org/10.1111/j.1744-7348.1969.tb05498.x

Sampling for aphids by traps and by crop inspection

A - Papers appearing in refereed journals

Heathcote, G. D., Palmer, J. M. P. and Taylor, L. R. 1969. Sampling for aphids by traps and by crop inspection. Annals of Applied Biology - AAB. 63 (1), pp. 155-166. https://doi.org/10.1111/j.1744-7348.1969.tb05476.x

The use of menazon seed dressing to decrease spread of virus yellows in sugar‐beet root crops

A - Papers appearing in refereed journals

Heathcote, G. D. 1968. The use of menazon seed dressing to decrease spread of virus yellows in sugar‐beet root crops. Annals of Applied Biology - AAB. 62 (1), pp. 113-118. https://doi.org/10.1111/j.1744-7348.1968.tb03854.x

Protection of sugar beet stecklings against aphids and viruses by cover crops and aluminium foil

A - Papers appearing in refereed journals

Heathcote, G. D. 1968. Protection of sugar beet stecklings against aphids and viruses by cover crops and aluminium foil. Plant Pathology. 17 (4), pp. 158-161. https://doi.org/10.1111/j.1365-3059.1968.tb00445.x

The Overwintering of Aphids and Viruses on Sugar Beet Seed Crops in England, 1963‐1966

A - Papers appearing in refereed journals

Heathcote, G. D. 1967. The Overwintering of Aphids and Viruses on Sugar Beet Seed Crops in England, 1963‐1966. Plant Pathology. 16 (3), pp. 126-130. https://doi.org/10.1111/j.1365-3059.1967.tb00387.x

Experiments on the time of application of insecticide to decrease the spread of yellowing viruses of sugar beet, 1954‐66

A - Papers appearing in refereed journals

Hull, R. and Heathcote, G. D. 1967. Experiments on the time of application of insecticide to decrease the spread of yellowing viruses of sugar beet, 1954‐66. Annals of Applied Biology - AAB. 60 (3), pp. 469-478. https://doi.org/10.1111/j.1744-7348.1967.tb04501.x

The time of flight and the relative importance of Myzus persicae (Sulz.) and Aphis fabae Scop. in relation to the incidence of beet yellows as shown by trap catches at Rothamsted and Broom's Barn

A - Papers appearing in refereed journals

Heathcote, G. D. 1966. The time of flight and the relative importance of Myzus persicae (Sulz.) and Aphis fabae Scop. in relation to the incidence of beet yellows as shown by trap catches at Rothamsted and Broom's Barn. Bulletin of Entomological Research. 56 (3), pp. 473-480. https://doi.org/10.1017/S0007485300056534

Interactions of crop density of field beans, abundance of Aphis fabae Scop., virus incidence and aphid control by chemicals

A - Papers appearing in refereed journals

Way, M. J. and Heathcote, G. D. 1966. Interactions of crop density of field beans, abundance of Aphis fabae Scop., virus incidence and aphid control by chemicals. Annals of Applied Biology - AAB. 57 (3), pp. 409-423. https://doi.org/10.1111/j.1744-7348.1966.tb03834.x

Effect of fumigating sandy soil on the growth of sugar beet

A - Papers appearing in refereed journals

Heathcote, G. D., Greet, D. N. and Whitehead, A. G. 1966. Effect of fumigating sandy soil on the growth of sugar beet. Plant Pathology. 15 (3), pp. 120-124. https://doi.org/10.1111/j.1365-3059.1966.tb00329.x

Aphids from mangold clamps and their importance as vectors of beet viruses

A - Papers appearing in refereed journals

Cockbain, A. J. and Heathcote, G. D. 1966. Aphids from mangold clamps and their importance as vectors of beet viruses. Annals of Applied Biology - AAB. 57 (2), pp. 321-336. https://doi.org/10.1111/j.1744-7348.1966.tb03826.x

Nematode‐transmitted viruses of sugar beet in East Anglia, 1963 and 1964

A - Papers appearing in refereed journals

Heathcote, G. D. 1965. Nematode‐transmitted viruses of sugar beet in East Anglia, 1963 and 1964. Plant Pathology. 14 (4), pp. 154-157. https://doi.org/10.1111/j.1365-3059.1965.tb00302.x

Transmission of sugar beet viruses in relation to the feeding, probing and flight activity of alate aphids

A - Papers appearing in refereed journals

Cockbain, A. J. and Heathcote, G. D. 1965. Transmission of sugar beet viruses in relation to the feeding, probing and flight activity of alate aphids. Proceedings International Congress of Entomology. 12, pp. 521-523.

Aphids on sugar beet and some weeds in England, and notes on weeds as a source of beet viruses

A - Papers appearing in refereed journals

Heathcote, G. D., Dunning, R. A. and Wolfe, M. D. 1965. Aphids on sugar beet and some weeds in England, and notes on weeds as a source of beet viruses. Plant Pathology. 14 (1), pp. 1-10. https://doi.org/10.1111/j.1365-3059.1965.tb00609.x

Winged aphids trapped in an abaca (Musa textilis] plantation in British North Borneo

A - Papers appearing in refereed journals

Cole, J. C., Eastop, V. F. and Heathcote, G. D. 1964. Winged aphids trapped in an abaca (Musa textilis] plantation in British North Borneo. Entomologist's monthly magazine.

Transmission of beet yellows virus by alate and apterous aphids

A - Papers appearing in refereed journals

Heathcote, G. D. and Cockbain, A. J. 1964. Transmission of beet yellows virus by alate and apterous aphids. Annals of Applied Biology - AAB. 53 (2), pp. 259-266. https://doi.org/10.1111/j.1744-7348.1964.tb03800.x

The use of insecticides to find when leaf roll and Y viruses spread within potato crops

A - Papers appearing in refereed journals

Burt, P. E., Heathcote, G. D. and Broadbent, L. 1964. The use of insecticides to find when leaf roll and Y viruses spread within potato crops. Annals of Applied Biology - AAB. 54 (1), pp. 13-22. https://doi.org/10.1111/j.1744-7348.1964.tb01166.x

Home production of seed for early potatoes. 6. Insecticides applied to the soil or tubers

A - Papers appearing in refereed journals

Broadbent, L., Burt, P. E. and Heathcote, G. D. 1964. Home production of seed for early potatoes. 6. Insecticides applied to the soil or tubers. Experimental Horticulture. (11), pp. 40-50.

The effect of DDT on Myzus persicae (Sulz.) and Brevicoryne brassicae (L.) (Aphididae) in relation to the spread of cauliflower mosaic and cabbage black ring spot viruses

A - Papers appearing in refereed journals

Heathcote, G. D. and Ward, J. 1963. The effect of DDT on Myzus persicae (Sulz.) and Brevicoryne brassicae (L.) (Aphididae) in relation to the spread of cauliflower mosaic and cabbage black ring spot viruses. Bulletin of Entomological Research. 53 (4), pp. 779-784. https://doi.org/10.1017/S0007485300048501

The effect of coccinellids on aphids infesting insecticide-treated sugar beet

A - Papers appearing in refereed journals

Heathcote, G. D. 1963. The effect of coccinellids on aphids infesting insecticide-treated sugar beet. Plant Pathology. 12 (2), pp. 80-83. https://doi.org/10.1111/j.1365-3059.1963.tb00218.x

Some factors affecting the transmission of sugar‐beet mosaic and pea mosaic viruses by Aphis fubue and Myzus persicae

A - Papers appearing in refereed journals

Cockbain, A. J., Gibbs, A. J. and Heathcote, G. D. 1963. Some factors affecting the transmission of sugar‐beet mosaic and pea mosaic viruses by Aphis fubue and Myzus persicae. Annals of Applied Biology - AAB. 52 (1), pp. 133-143. https://doi.org/10.1111/j.1744-7348.1963.tb03735.x

The suitability of some plant hosts for the development of peach-potato aphid Myzus persicae (Sulzer)

A - Papers appearing in refereed journals

Heathcote, G. D. 1962. The suitability of some plant hosts for the development of peach-potato aphid Myzus persicae (Sulzer). Entomologia Experimentalis et Applicata. 5 (2), pp. 114-118. https://doi.org/10.1111/j.1570-7458.1962.tb00573.x

Virus diseases in British crops of field beans (Vicia Faba L.)

A - Papers appearing in refereed journals

Heathcote, G. D. and Gibbs, A. J. 1962. Virus diseases in British crops of field beans (Vicia Faba L.). Annals of Applied Biology - AAB. 11 (2), pp. 69-73. https://doi.org/10.1111/j.1365-3059.1962.tb00170.x

Notes on some aphids from British North Borneo

A - Papers appearing in refereed journals

Eastop, V. G. F. and Heathcote, G. D. 1962. Notes on some aphids from British North Borneo. Entomologist's monthly magazine. 98 (Sereis 4), pp. 267-269.

Winged aphids trapped in abaca plantation in British North Borneo

A - Papers appearing in refereed journals

Cole, J. C., Eastop, V. F. and Heathcote, G. D. 1962. Winged aphids trapped in abaca plantation in British North Borneo. Entomologist's monthly magazine. 98 (1180/1183), pp. 270-271.

Home production of seed for early potatoes. 4. Loss of yield in virus infected plants

A - Papers appearing in refereed journals

Broadbent, L., Heathcote, G. D. and Wright, R. C. M. 1962. Home production of seed for early potatoes. 4. Loss of yield in virus infected plants. Experimental Horticulture. 7, pp. 4-6.

Winged aphids trapped in potato fields, 1942–1959

A - Papers appearing in refereed journals

Broadbent, L. and Heathcote, G. D. 1961. Winged aphids trapped in potato fields, 1942–1959. Entomologia Experimentalis et Applicata. 4 (3), pp. 226-237. https://doi.org/10.1111/j.1570-7458.1961.tb02138.x

Local spread of potato leaf roll and Y viruses

A - Papers appearing in refereed journals

Heathcote, G. D. and Broadbent, L. 1961. Local spread of potato leaf roll and Y viruses. European potato journal. 4 (2), pp. 138-143. https://doi.org/10.1007/BF02365025

Home production of seed for early potatoes I Prevention of virus infection by spraying for aphid control

A - Papers appearing in refereed journals

Broadbent, L., Heathcote, G. D., Brown, P. H. and Wheeler, G. F. C. 1960. Home production of seed for early potatoes I Prevention of virus infection by spraying for aphid control. Experimental Horticulture. (4).

Field trials on the retention of potato stocks in England

A - Papers appearing in refereed journals

Broadbent, L., Heathcote, G. D. and Burt, P. E. 1960. Field trials on the retention of potato stocks in England. European potato journal. 3 (3), pp. 251-262.

Detection of leaf roll in Potato tubers

A - Papers appearing in refereed journals

Broadbent, L. and Heathcote, G. D. 1960. Detection of leaf roll in Potato tubers. Plant Pathology. 9 (4), pp. 126-128. https://doi.org/10.1111/j.1365-3059.1960.tb01170.x

The use of soil insecticides to control potato aphids and virus diseases

A - Papers appearing in refereed journals

Burt, P. E., Broadbent, L. and Heathcote, G. D. 1960. The use of soil insecticides to control potato aphids and virus diseases. Annals of Applied Biology - AAB. 48 (3), pp. 580-590. https://doi.org/10.1111/j.1744-7348.1960.tb03560.x

Effect of height on catches of aphids in water and sticky traps

A - Papers appearing in refereed journals

Heathcote, G. D. 1958. Effect of height on catches of aphids in water and sticky traps. Plant Pathology. 7 (1), pp. 32-35. https://doi.org/10.1111/j.1365-3059.1958.tb00817.x

An Essex farm trial on the insecticidal control of potato virus spread

A - Papers appearing in refereed journals

Broadbent, L., Heathcote, G. D. and Mason, E. C. 1958. An Essex farm trial on the insecticidal control of potato virus spread. Plant Pathology. 7 (2), pp. 53-55. https://doi.org/10.1111/j.1365-3059.1958.tb00824.x

Properties and host range of turnip crinkle, rosette and yellow mosaic viruses

A - Papers appearing in refereed journals

Broadbent, L. and Heathcote, G. D. 1958. Properties and host range of turnip crinkle, rosette and yellow mosaic viruses. Annals of Applied Biology - AAB. 46 (4), pp. 585-U192. https://doi.org/10.1111/j.1744-7348.1958.tb02242.x

Optimum size of sticky aphid traps

A - Papers appearing in refereed journals

Heathcote, G. D. 1957. Optimum size of sticky aphid traps. Plant Pathology. 6 (3), pp. 104-107. https://doi.org/10.1111/j.1365-3059.1957.tb00788.x

Insecticidal control of potato virus spread

A - Papers appearing in refereed journals

Broadbent, L., Burt, P. E. and Heathcote, G. D. 1957. Insecticidal control of potato virus spread. Proceedings Conference Potato Virus Diseases. 3, pp. 91-105.

The effect of date of planting and of harvesting potatoes on virus infection and on yield

A - Papers appearing in refereed journals

Broadbent, L., Heathcote, G. D., Mcdermott, N. and Taylor, C. E. 1957. The effect of date of planting and of harvesting potatoes on virus infection and on yield. Annals of Applied Biology - AAB. 45 (4), pp. 603-622. https://doi.org/10.1111/j.1744-7348.1957.tb00407.x

The comparison of yellow cylindrical, flat and water traps, and of johnson suction traps, for sampling aphids

A - Papers appearing in refereed journals

Heathcote, G. D. 1957. The comparison of yellow cylindrical, flat and water traps, and of johnson suction traps, for sampling aphids. Annals of Applied Biology - AAB. 45 (1), pp. 133-139. https://doi.org/10.1111/j.1744-7348.1957.tb00449.x

The control of potato virus diseases by insecticides

A - Papers appearing in refereed journals

Broadbent, L., Burt, P. E. and Heathcote, G. D. 1956. The control of potato virus diseases by insecticides. Annals of Applied Biology - AAB. 44 (2), pp. 256-273. https://doi.org/10.1111/j.1744-7348.1956.tb02121.x

Sources of overwintering Myzus persicae (Sulzer) in England

A - Papers appearing in refereed journals

Broadbent, L. and Heathcote, G. D. 1955. Sources of overwintering Myzus persicae (Sulzer) in England. Plant Pathology. 4 (4), pp. 135-137. https://doi.org/10.1111/j.1365-3059.1955.tb00063.x

Thee beet leaf bug in East Anglia

A - Papers appearing in refereed journals

Heathcote, G. D. 1954. Thee beet leaf bug in East Anglia. Transactions Suffolk Natural History. 16 (1), pp. 43-45.

A soil survey on Warpland in Yorkshire

A - Papers appearing in refereed journals

Heathcote, G. D. 1951. A soil survey on Warpland in Yorkshire. Journal of Soil Science. 2 (2), pp. 144-162. https://doi.org/10.1111/j.1365-2389.1951.tb00597.x

The defence of aphids against predators and parasites

A - Papers appearing in refereed journals

Heathcote, G. D. 1947. The defence of aphids against predators and parasites. Transactions Suffolk Natural History. 15 (1), pp. 55-58.

Caddis flies

A - Papers appearing in refereed journals

Heathcote, G. D. 1947. Caddis flies. Transactions Suffolk Natural History. 15 (3), pp. 219-221.