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Prevention of the spread of tomato yellow leaf curl virus transmitted by Bemisia tabaci (Gennadius) (Homoptera, Aleyrodidae) in Israel*

Published online by Cambridge University Press:  10 July 2009

S. Cohen Venezia Melamed-Madjar  and
J. Hameiri
S. Cohen Venezia Melamed-Madjar
Affiliation:
Divisions of Virology and Entomology, Agricultural Research Organization, The Volcani Center, P.O. Box 6, Bet Dagan, Israel
J. Hameiri
Affiliation:
Extension Service, Israel Ministry of Agriculture, Bet She'an, Israel
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Abstract

In the Jordan Valley of Israel, spread of tomato yellow leaf curl virus in tomatoes by Bemisia tabaci (Gennadius) was delayed by three field treatments: (1) a straw mulch at the time of sowing; (2) sprays every four days with azinphos-methyl or methidathion; and (3) a combined treatment of a straw mulch after germination plus azinphos-methyl sprays at four-day intervals starting ten days after germination. The protective effect of straw mulch lasted about three weeks, and then sharply declined. In laboratory tests adult whiteflies were attracted more to straw than to tomato leaves, and more to fresh (yellow) straw than old (grey) straw exposed to field conditions for 25 days.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 64 , Issue 2 , October 1974 , pp. 193 - 197
Copyright
Copyright © Cambridge University Press 1974

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