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一、试验目的验证40%哒灵炔螨特水乳剂不同剂量对棉花红蜘蛛防治效果,为该产品推广应用提供依据。二、试验条件供试作物为棉花高抗5号。试验地设在鄯善县辟展乡大东湖村,面积0.23公顷,土质为黑壤土,肥力中等。2011年4月20日播种,机播棉,覆地膜。4月28日开始出苗,每667米2保苗8000株左右,施药时棉田处于蕾铃期,长势一般。三、试验设计
First, the purpose of the test To verify the 40% rapamycin propargite special water emulsion different doses of cotton spider mite prevention and control of the promotion of the product provide the basis. Second, the test conditions for the test of cotton high resistance on the 5th. Experimental site is located in Shanshan County Development Township Dadong Lake Village, an area of 0.23 hectares, soil black soil, medium fertility. April 20, 2011 sowing, machine-borne cotton, cover film. April 28 began to emerge, seedlings every 667 m 2 8000 or so, when the cotton seedling application in the bud period, the general growth. Third, the experimental design