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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

Published online by Cambridge University Press:  10 July 2009

G. D. Heathcote
G. D. Heathcote
Affiliation:
Broom's Barn Experimental Station, Higham, Bury St. Edmunds, Suffolk
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Extract

Sticky traps were operated over sugar-beet crops at Rothamsted Experimental Station (Hertfordshire), Broom's Barn Experimental Station (Suffolk) and elsewhere for five years to gain information about the flight of the aphids that transmit beet yellowing viruses and to aid in the spray warning scheme for sugar-beet growers.

Numbers of Myzus persicae (Sulz.), Aphis fabae Scop, and of all aphids caught per week are given. Records of aphids trapped at Rothamsted over a period of 23 years have been published; but no repeating pattern of aphid abundance from year to year has been detected. M. persicae flew early in 1960 and 1961, when beet viruses spread extensively, whereas in 1962, 1963 and 1964, when alates of this species did not fly early but were trapped in relatively larger numbers later in the year, yellows spread much less. Large numbers of A. fabae flew in 1963, but beet viruses spread little.

Type
Research Paper
Information
Bulletin of Entomological Research , Volume 56 , Issue 3 , June 1966 , pp. 473 - 480
Copyright
Copyright © Cambridge University Press 1966

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References

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