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我国南方蔬菜产区,小菜蛾对有机磷、氨基甲酸酯及拟除虫菊酯等杀虫剂产生了不同程度的抗药性,广州、深圳、上海等地的小菜蛾防治工作十分困难。如何经济有效地防治蔬菜抗性小菜蛾,已成为亟待解决的问题。1990年以来,华南农业大学植保系等单位先后引进美国默沙东药厂开发的生物杀虫杀螨剂害极灭防治蔬菜抗性小菜蛾进行了试验。通过几年的试验示范,已开发出较为成熟的经验,并已在南方经济发达的沿海城市菜
China’s southern vegetable producing areas, the diamondback moth on the organic phosphorus, carbamate and pyrethroid insecticides have different levels of resistance, Guangzhou, Shenzhen, Shanghai and other places of the diamondback moth prevention and control work is very difficult. How to economically and effectively control the diamondback moth has become an urgent problem to be solved. Since 1990, the Department of Plant Protection, South China Agricultural University and other units have introduced the United States developed by the United States Merck pesticides, pesticides and miticides harmful effects of extreme-resistance control of diamondback moths were tested. After several years of experimental demonstration, has developed a more mature experience and has been in the economically developed coastal cities in the south