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为明确40%超乐乳油对蔬菜斜纹夜蛾的防治效果,我们于1997年9月在宁波市北仑区备矸村蔬菜基地进行了田间药效试验。现将结果报告如下。1 材料与方法1-1 供试药剂及处理项目 供试作物为秋花椰菜,生育期为尚未结球的8~10叶期,试验时斜纹夜蛾正处于尚未分
In order to clarify the prevention and control effect of 40% Chaolun oil on the vegetable Spodoptera frugiperda, we conducted the field efficacy test in the vegetable wasteland of Beichuan Village, Beilun District, Ningbo City in September 1997. The results reported below. 1 Materials and methods 1-1 for the test agents and treatment projects for the test autumn cauliflower broccoli, the growth period is not yet the ball 8 to 10 leaf stage, the test is yet to be divided Spodothrix