论文部分内容阅读
一季中晚稻病虫发生种类多,危害期长。稻纵卷叶螟、稻飞虱仍为最主要的病虫害,大螟、颖枯病等病虫害的发生呈明显上升趋势,而纹枯病危害总体上有所减轻。防治上应以稻纵卷叶螟、稻飞虱为主,兼顾大螟、纹枯病、颖枯病等多种病虫。通过主抓破口期的全面防治,加强前后期各种病虫害的挑治工作,注意后期稻飞虱的防治,确保一季中晚稻的安全生产。
A season of late rice pests and diseases occur in a variety of long-term damage. Rice leaf roller, rice planthopper is still the most important pests and diseases, Sesamia inferenciasis, the occurrence of perennial wilt and other pests and diseases were significantly increased, and the overall risk of sheath blight lessened. Prevention and control should be based on rice leaf roller, rice planthopper-based, taking into account Sesamia inferens, Sheath Blight, Septoriae and other pests. Mainly through the comprehensive prevention and control of the breach, to strengthen the various pests and diseases before and after the pick and cure work, pay attention to the late planthopper control, to ensure that a quarter of late rice production safety.