本站受贵州省化工研究院委托,对40％多噻烷可溶性粉剂防治棉花叶螨进行药效试验。现将试验结果总结如下: 1 供试农药 40％多噻烷可溶性粉剂,由贵州省化工研究院提供;20％三氯杀螨醇乳剂,由河北省长城化工厂生产。 2 试验地点 在江北农场农科所进行。 3 试验设计 试验设有40％多噻烷可溶性粉剂每666.7m~240g、50g、60g(均为有效成分,下同),20％三 Site commissioned by the Guizhou Provincial Institute of Chemical Technology, 40% polythiazine soluble powder control efficacy of cotton spider mite test. Now the test results are summarized as follows: 1 for the pesticide 40% polythiaine soluble powder, provided by the Guizhou Provincial Institute of Chemical Technology; 20% dicofol emulsion, produced by the Great Wall Chemical Factory in Hebei Province. 2 The test site was conducted at Jiangbei Farm Agricultural Research Institute. 3 Experimental design The test is provided with 40% polythiaine soluble powder per 666.7m ~ 240g, 50g, 60g (all active ingredients, the same below), 20% tris