针对十字花科蔬菜蚜虫对氯氰菊酯抗药性不断增强的情况,2011年河北省植保植检站对河北省7个市（县）10个村的50家农户和30个农药经销商进行了实地走访,对氯氰菊酯在河北省的用药历史、抗性发生和发展情况进行调查与分析。结果表明：在河北省利用氯氰菊酯防治十字花科蔬菜蚜虫经历了从低浓度到高浓度、从高防效到低防效、从作为防治蚜虫的主导产品逐渐被其他农药取代的发展历程。指出了目前防治十字花科蔬菜蚜虫面临的主要问题,并有针对性地提出了十字花科蔬菜蚜虫对氯氰菊酯抗药性综合治理措施,以期指导农民科学选择农药、减少农药的使用量和使用次数、降低防治成本、减轻农田环境污染、保障农业生产安全。%According to the increasing cypermethrin resistance of aphids on vegetables in Cruciferae in Hebei, 50 farmers and 30 pesticides distributors from 10 villages in 7 cities (or counties) in Hebei were interviewed, and the application history, occurrence and development of resistance were investigated and analyzed. The results showed that the control of cypermethrin on aphids on vegetables in Cruciferae experienced the development process from low concentration to high concentration, from high efficiency to law efficiency, and from the leading pesticide to be were placed by other pesticides. The main problems in current controlling of aphids on vegetables in Cruciferae inted out, and the control measures of cypermethrin resistance were put forward in order to guide farmers select pesticides scientifically, reduce the amount and application frequency of pesticides, decrease the cost, alle- viate agricultural environmental pollution and ensure agricultural production safe.
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