论文部分内容阅读
为探讨 0 .9%齐螨素 EC防治柑桔红蜘蛛的防治效果 ,我站于 1 999年 4～ 5月份在我市柑桔试范场进行了药效试验 ,现报告如下。1 试验材料与方法试验设 2 .5%齐螨素 EC(湖北仙桃化工厂 )30 0 0倍、 40 0 0倍、 50 0 0倍、 1 5%哒螨酮 EC(南京化工厂 ) 30 0 0倍和清水对照 ( CK)
In order to explore the effect of controlling the control of citrus red spider with 0. 9% of the total acaroid EC, I stood in April to May 1999 in our city citrus trial field conducted a efficacy test, are as follows. 1 Test Materials and Methods The test was set to 2.5% of the compound mites EC (Hubei Xiantao Chemical Plant) 300 times, 400 times, 500 times, 15% pyridaben EC (Nanjing Chemical Factory) 30 0 0 times and water control (CK)