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近十年来,我省棉蚜危害严重,使用1059等药剂防治不易凑效,1965年我们试用氟乙酰胺治蚜,获得良好效果。其后多年又对此药的药效、药害和对棉蚜无害影响等问题作了进一步研究。现将试验结果汇总整理如下: 一、对棉虫的药效 1.喷雾:1965-68年先后在本所及泾阳永乐、云阳等公社作了一系列试验、示范及大面积试用。结果表明,西安产71.4%氟乙酰胺晶体加水2500-3000倍,叶面喷洒作内
Over the past decade, cotton aphid in our province a serious harm, the use of 1059 and other agents is not easy to control the effectiveness of pesticides, 1965 we tried fluoride acetamide cure aphids, get good results. Subsequent years, the drug efficacy, injury and non-harmful effects on cotton aphids and other issues were further studied. Now the test results are summarized as follows: First, the efficacy of cotton insects 1. Spray: 1965-68 successively in the Jingyang Yongle, Yunyang and other communes made a series of experiments, demonstrations and large-scale trial. The results show that 71.4% of Xi’an produced fluoroacetamide crystal water 2500-3000 times, spraying leaves for