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菜青虫和小菜蛾是十字花科蔬菜上常发生的主要害虫。夏秋季是全年的为害高峰期 ,给蔬菜生产造成严重影响。为此奉贤县蔬菜技术推广站于 2 0 0 0年 5月底 6月初选用 6种杀虫剂进行了田间药效试验。现将试验结果汇总如下。1 材料与方法1 .1 供试药剂 苏阿维、ＢＴ(湖北省农科
Pieris rapae and Plutella xylostella are the major pests that often occur on cruciferous vegetables. Summer and autumn are the annual peak of damage, causing serious impact on vegetable production. To this end Fengxian vegetable technology promotion station in late May 5 at the end of June early 6 insecticides selected field efficacy trials. The test results are summarized below. 1 Materials and Methods 1 .1 for the test agent Su Avey, BT (Hubei Academy of Agricultural Sciences