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为验证精高效氯氟氰菊酯效果,安徽省砀山县农委土肥中心联合砀山果业技术研究所科研人员于7月21日(第3代梨小食心虫羽化后向梨园迁入峰期)在砀山果树场三分场31号果园用1.5%精高效氯氟氰菊酯1500、2000、2500、3000倍,2.5%三氯氟氰菊酯1500倍,48%毒死蜱1500倍,2.5%三氯氟氰菊酯1500倍+48%毒死蜱1500倍,以及喷清水(对照)等8个处理进行了田间药效试验。试验器械选用手动式压板喷雾机。
In order to verify the effect of lambda-cyhalothrin, Dangshan County, Anhui Agricultural Committee of Soil and Fertilizer Center, Institute of Fruit Technology Research Institute of Pang fruit on July 21 (third generation Pear Moth insects eclosion to pear orchard into the peak) Mudanchang fruit tree farm on the 31st field orchard with 1.5% lambda-cyhalothrin 1500,2000,2500,3000 times, 2.5% of cyhalothrin 1500 times, 48% chlorpyrifos 1500 times, 2.5% trichlorofluoride 1500 times of cypermethrin + 48% chlorpyrifos 1500 times, and spraying water (control) and other 8 treatments for field efficacy trials. Test equipment used manual pressure plate sprayer.