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《China Vegetables》 2002-04
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The Controlling Effects of Emulsion of Stemona, Chinaberry alkali and Tobacco alkali on Myzus persicae and Their Residual Test in Lettuce

Gaoliang (Weifang Agricultural Production Imp. and Exp. Group Corporation, Shandong Province 261041)  
A botanical insecticide is made from stemona, Chinaberry and tobacco. The controlling effects of 1.1% emulsion diluted with 1500, 3000 and 6000 water on Myzus persicae were: indoors, 91.6%~99.6% after spraying 1,3 and 5 days; in the fields, the effects of it diluted with 800 and 1000 water were 90.6%~98.0% after spraying above same days. They were equal to or better than the results of 50% kangyawei wettable powder diluted with 2500 water. The residue of this insecticide disappeared quickly in the lettuce leaves on the natural condition. The T1/2 of stemonine, Chinaberry alkali and tobacco alkali were 18.2h, 14h and 11.5h respectively. Therefore, it could be used in the vegetable crops.
【CateGory Index】: S482.3
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【Secondary References】
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