横峰县水稻病虫绿色防控技术示范推广及实施效益分析

横峰县主要示范推广的水稻病虫害绿色防控技术包括稻田耕沤灭螟技术,抗病、抗虫品种推广使用技术;生物农药防控病虫技术,灯光诱控害虫技术,性诱剂诱控技术及＂三高三低＂农药防治病虫害技术。采取的示范推广措施主要包括加强领导、技术培训和宣传、示范与推广相结合和确保项目实施经费的到位。项目实施以来,示范区单位面积内水稻病虫为害损失率控制在5%以下,比非示范区为害损失率降低2.5%~5.3%,平均降低3.9%,示范区比非示范区每季防治次数减少1.5~2.5次,平均减少2次,单位面积内节约防治成本15.32元,单位面积内增收稻谷22.9 kg,增收节支82.32元。2009—2013年全县累计推广面积4万hm2,增收稻谷1 374万kg,增收节支4 939.2万元,取得了显著的社会、经济和生态效益。

Demonstration and Economic Benefit of ＂Green Control Techniques＂ for Rice Diseases and Pest Insects in Hengfeng County., Jian~xi Province

Some green control techniques for rice diseases and pest insects, including rice field tilling and rice stubble retting before the eclosion of Chilo suppressalis, planting resistant varieties, biopesticides application technique, the mass trapping with synthetic sex pheromone and light lamp, and scientific application of insecticides, have been demonstrated in Hengfeng county, Jiangxi Province. The main measures included strengthening organization and management, technique training, demonstration and popularization as well as financial support. The results showed that rice loss percentage in demonstration area was below 5%; as compare with the non-demonstration area, the control cost was decreased by 15.32 yuan per mu and rice yield was increased by 22.9 kg per mu in demonstration area. Since 2009, the cumulative extension area in Hengfeng county was up to 0.6 million mu, the total rice yield was increased by 13.74 million kg and the control cost was decreased by 49.392 million yuan.