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水稻病虫害是影响水稻产量的主要因素之一,其发生种类、程度、时机、防治与否,以及防治效果,都会对水稻产量造成影响。为了探索水稻主要病虫害防治与不防治的效果与效益,为农民有针对性地防治水稻主要病虫害提供参考依据,2013年江西省余干县农业技术推广中心在县农科所晚稻田里安排了晚稻主要病虫二化螟、稻飞虱、纹枯病防治与不防治、单独防治某一病虫与多种病虫害综合防治对水稻产量影响的试验。现将试验情况总结如下。
Rice pests and diseases are one of the main factors that affect rice yield. The types, degree, timing, prevention and control, and prevention and control of rice diseases will affect the rice yield. In order to explore the effect and benefit of prevention and control of major pests and diseases of rice and provide reference for peasants to control pest and disease of rice in a targeted way, in 2013, Yugan County Agricultural Technology Extension Center of Jiangxi Province arranged late rice The main pests, rice stem borer, planthoppers, sheath blight disease prevention and control, a single pest control and prevention and control of a variety of pests and diseases on the yield of rice experiments. Now the test situation is summarized as follows.