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分析了2012年修山镇一季稻稻飞虱大暴发的主要原因是:迁入基数大,早稻残留虫量高;单双季稻混栽,有利于稻飞虱辗转危害;气候条件适宜,褐飞虱种群优势明显;栽培品种有利稻飞虱生长繁育;防治手段单一,用药不当等。在此基础上,总结了2013年采取的推广药剂拌种技术,降低虫源基数;加强稻飞虱监测,采用压前控后策略;实施综合防控,选用高效长效药剂;大力推行专业化统防统治,提高防控社会化服务水平等具体防治措施,从而获得了显著的防治成效。
The main reasons for the large-scale outbreak of rice planthoppers in Xiushan Town in 2012 were as follows: large inflow base and high residual pests in early rice; mixed single and double cropping rice plants were conducive to the removal of rice planthoppers; suitable climatic conditions, Obvious population advantages; cultivars are conducive to planthopper growth and breeding; prevention and treatment of a single, improper medication. On this basis, summarized the promotion of pharmaceutical seed dressing technology in 2013 to reduce the number of insect base; strengthen the monitoring of planthoppers, using pre-stress control strategy; the implementation of comprehensive prevention and control, selection of efficient long-acting agents; vigorously promote specialization Prevention and control, improve prevention and control of social services and other specific prevention and control measures, which won a significant control effect.