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为评价浙江仙居农药厂生产的20％三唑磷乳油对三化螟的防效以及在我省推广、应用价值,1991年特作本试验。试验设计与方法 1.试验设计在连作晚稻田进行,品种为汕优64,共设20％三唑磷乳油75ml、100ml、125ml,杀虫双每亩200ml(湖南益阳化工厂生产)和空白对照5个处理依次编为A、B、C、D、E。3次重复,随机区组排列。小区面积60m~2,筑埂间隔,保护行
In order to evaluate the control effect of 20% triazophos EC produced by Zhejiang Xianju Pesticide Factory on rice stem borer, and its application in our province, this experiment was specially made in 1991. Experimental Design and Method 1. The experimental design was carried out in the continuous cropping paddy field. The variety was Shanyou 64, with 20% triazophos EC 75ml, 100ml, 125ml and insecticidal double 200ml per mu (produced by Hunan Yiyang Chemical Plant) and blank control The five treatments are in turn compiled as A, B, C, D, E. 3 times repeated random block arrangement. Area of 60m ~ 2, building 埂 interval, the protection line