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Variation in Myzus persicae (Sulz.) (Hemiptera, Aphididae) reared on different host-plants

Published online by Cambridge University Press:  10 July 2009

H. J. B. Lowe
H. J. B. Lowe
Affiliation:
Plant Breeding Institute, Maris Lane, Trumpington, Cambridge CB2 2LQ, England
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Extract

Apterous adult Myzus persicae (Sulz.) of a glasshouse strain differed greatly in their ability to colonise sugar-beet according to the plant on which they and their forebears were cultured. Those from Chinese cabbage (Brassica pekinensis) settled least readily on beet, whilst aphids from broad beans (Vicia faba) produced larger populations than those cultured on sugar-beet. When reared wholly on groundsel (Senecio vulgaris) young adults differed in their ability to colonise Chinese cabbage, sugar-beet and broad bean according to their parents' culture host species, and these differences were detected in a second generation reared wholly on groundsel. The responses of clones isolated from cultures maintained continuously on Chinese cabbage and broad bean were similar, showing that the effect was caused by the aphids' host-plant experience, and was not due to fixed, heritable characters of the sub-cultures. Some, but not all clones of M. persicae collected from the field showed enhanced colonising ability after culture on broad bean as compared with Chinese cabbage. This was apparent on sugar-beet and lettuce (Lactuca sativa). These effects of former hosts on the ability of M. persicae to colonise plants may be important both in work on resistance to aphids and in the epidemiology of aphid-borne diseases.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 62 , Issue 4 , July 1973 , pp. 549 - 556
Copyright
Copyright © Cambridge University Press 1973

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