analysis of vegetable integrated pest management techniques（分析蔬菜害虫综合治理技术）.doc

Analysis of vegetable integrated pest management techniques Paper Keywords vegetables; pests and diseases; integrated control Abstract wide range of pests of vegetables, the occurrence of complex laws, harm rampant, seriously affect the yield and quality of vegetables, vegetable pest control should implement the ‘prevention first, comprehensive prevention and control’ of the plant protection policy, priority to the use of agricultural control, physical control, biological control technical, scientific and rational selection of high efficiency, low toxicity and residue chemical control. Many kinds of vegetables, complex cultivation systems, crop nutrition and good conditions for a wide range of pests, the occurrence of complex laws, harm rampant, seriously affect the yield and quality of vegetables. According to the survey, Huangshan District 10 kinds of cultivars of vegetables, 40 kinds of major pests and diseases the vast majority of damage caused by pests and diseases of vegetables cut more than 5%, the year the loss is generally 10% to 30%, the popular year drop by 50% to 70%. Vegetable Integrated Pest Management should implement the ‘prevention first, comprehensive prevention and control’ of the plant protection policy, priority to the use of agricultural control, physical control, biological control techniques, disable highly toxic, high residue pesticide, scientific and rational selection of high efficiency, low toxicity, low-residue pesticides, the use of chemical pesticides down to a minimum, the control of vegetable pests in economic damage below the threshold, so that the amount of pesticide residues in vegetables is lower than the national standard, to produce safe, high quality organic vegetable purposes. An agricultural control 1.1 The selection of resistant, special varieties Selection of pest resistant varieties is the most cost-effective way. Different varieties resistant to pests and diseases vary widely, depending on t