A method for monitoringBemisia tabaci and timing spray applications against the pest in cotton fields in israel |
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| Authors: | Venezia Melamed-Madjar S Cohen M Chen S Tam Denise Rosilio |
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| Institution: | 1. Div. of Entomology, ARO, The Volcani Center, Bet Dagan
2. Div. of Virology, ARO, The Volcani Center, Bet Dagan
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| Abstract: | A method for monitoring tobacco whitefly Bemisia tabaci (Gennadius) (Homoptera: Aleyrodidae)] populations was developed and used for timing spray applications against this pest in cotton. It was found to be successful in tests in eight commercial cotton fields. A trap composed of a yellow plastic plate (15 × 20 cm) smeared on the upper side with a thin layer of glue, was attached to an iron pole which held the plate in a horizontal position above the plants. The traps were placed 400 m apart along the periphery of the field. The sticky plates were changed weekly and the adult whiteflies were counted. When the mean weekly catch per trap reached ~ 100–200 adults, spray applications were carried out. Following this treatment,B. tabaci populations remained low and sooty mould did not develop on the lint. |
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