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1材料与方法试验地设在天水市麦积区花牛镇花牛村。水浇地,海拔为1 080 m,土壤质地为壤土,肥力中等,面积667 m~2。共有苹果树50株,苹果品种为天汪一号,树龄10年。1.1试验设计1)试验药剂。1.4%阿维·高氯氟氰EC,甘肃陇中农药厂生产,设2 000、3 000、4 000倍液3个处理。2)对照药剂。2.5%高效氯氟氰EC,甘肃陇中农药厂生产,用药浓度3 000倍液;1%阿维菌素EC(虫螨光Ⅱ),浙江升华拜克生物股份有限公司生产,用药浓度4 000倍液。3)空白对照。以清水作为空白
1 Materials and Methods The experimental site is located in Huaxiu Village, Huaxiu Town, Maiji District, Tianshui City. Irrigated, at an elevation of 1 080 m, the soil texture of loam, medium fertility, an area of 667 m ~ 2. A total of 50 apple trees, apple varieties Tianwang on the 1st, the age of 10 years. 1.1 Test Design 1) Test Pharmacy. 1.4% Avicelofenoflurane EC, Gansu Longzhong Pesticide Factory production, set 2, 000,3 000,4 000 times the liquid three treatment. 2) Control agent. 2.5% high efficiency CFCs EC, Gansu Longzhong Pesticide Factory production, drug concentration 3000 times; 1% abamectin EC (insects mite light Ⅱ), Zhejiang Shenghua Bike Co., Ltd. production, drug concentration 4 000 Times solution. 3) blank control. Take water as a blank