2001•Xibei nongye xuebaoRequires access
The Synthetical Evaluation on Control Effect of Insecticides to Rhopalosiphum padi (L.)
Guo Liang
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Abstract
The control effect of insecticides on R.padi (L.) was evaluated synthetically, the result indicated that the optimistic of 5 kinds of insecticides is as fallows: at initial occurring stage, diluted 1 500 times solution of 40% methoate EC is the best, diluted 2 000 times solution of 40% methoate EC is the next, diluted 3 000 times solution of pirimicarb WP is in the medium,diluted 2 000 times solution of 40% monocratophos EC is poorer, and diluted 3 000 times solution of 2.5% cyhalothrin ES is the poorest.