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小菜蛾是蔬菜生产上危害最重、且抗药性最强的一种顽劣害虫。为了验证新型生物杀虫剂一集琦虫螨克对其的防治效果,筛选田间最佳用量,为大面积推广提供科学依据,特进行本试
Plutella xylostella is the hardest pest in vegetable production and the most resistant to pests. In order to verify the new biopesticide Qiba mites grams of prevention and control of its effect, the best screening of the amount of field, provide a scientific basis for large-scale promotion, especially for the trial