Co-Authors:
Ascher, K.R.S., Division of Toxicology, Agricultural Research Organization, Volcani Center, Bet Dagan, 50-200, Israel
Nemny, N.E., Division of Toxicology, Agricultural Research Organization, Volcani Center, Bet Dagan, 50-200, Israel
Wysoki, M., Division of Entomology, Agricultural Research Organization, The Volcani Center, Bet Dagan, 50-200, Israel
Gur‐Telzak, L., Division of Entomology, Agricultural Research Organization, The Volcani Center, Bet Dagan, 50-200, Israel
Abstract:
The antifeedant effect of five organotin compounds (fentin acetate, fentin hydroxide, fentin chloride, cyhexatin and fenbutatin oxide) and of three other compounds known to possess antifeeding activity (guazatine triacetate, 4′‐chloroacetophenone isobutyrylhydrazone and thiram) was investigated by feeding treated alfalfa to larvae of Boarmia selenaria. The three fentins and cyhexatin were highly active at 0.1 g litre−1, the order of activity at this concentration being fentin chloride > fentin hydroxide > fentin acetate ⩾ cyhexatin, whereas the other compounds were practically inactive at either this or a somewhat higher concentration (0.5 g litre−1). Guazatine triacetate had a concentration‐independent antifeedant effect at much higher concentrations (5–20 g litre−1). Copyright © 1978 John Wiley & Sons, Ltd
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