东台市水稻纵卷叶螟的发生规律与防治技术

20世纪90年代以来,水稻纵卷叶螟Cnaphalocrocismedinalis(Guenee)在江苏省东台市连年重发,对水稻的正常生长威胁极大,已成为制约该地区水稻生产的重要因素之一。研究表明水稻品种、迁入时间、气候条件、人为措施等多种因素对稻纵卷叶螟的发生和危害影响较大,加强虫情监测、选用有效的药剂、适期开展防治,能有效地控制害虫的发生和危害。

Occurrence and control of Cnaphalocrocis medinalis in Dongtai

Since the 90′s of 20 centuries, Cnaphalocrocis medinalis (Guenee) had outbreaked very much in the for successive years in the region near Yellow Sea. General year,the paddy rice yield nature loss rates 10%～20%; in serious year,the nature loss the rate above 50%. It has become the one of the important factors that affect the paddy rice production.The writers proceeded the inquisition research of the system about its occurrence and forecast, then using effecive control technique.