Note: Effect of the surfactant BB5 on the potency of thiamethoxam against the whiteflyBemisia tabaci |
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| Authors: | I Ishaaya S Kontsedalov A R Horowitz |
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| Institution: | (1) Dept. of Entomology, ARO, The Volcani Center, 50250 Bet Dagan, Israel;(2) Gilat Research Center, 85280 M.P. Negev, Israel |
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| Abstract: | BB5, an alkyl phenoxy polyethylene ethanol formulated in acidic buffer, is an adjuvant added usually to various pesticides
to potentiate their activities on various biological systems. Addition of 0.2% BB5 resulted in a considerable increase of
thiamethoxam toxicity onBemisia tabaci (Gennadius) nymphs. According to LC50 values, the combined effect was over 25-fold higher than that of thiamethoxam alone. On the other hand, no appreciable combined
effect was observed when BB5 and thiamethoxam were applied together onB. tabaci adults. The importance of these results is discussed.
http://www.phytoparasitica.org posting Dec. 20, 2004. |
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| Keywords: | Adjuvant BB5 Bemisia tabaci neonicotinoids surfactants thiamethoxam |
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