论文部分内容阅读
六(4)代(简称4代)稻纵卷叶螟Cnaphalocrocis medinalis(Guenee)是东台市水稻生长后期的主要害虫,受多种因素的影响,其发生为害程度在年度间存在很大差异。为提高预测预报准确性和防治科学性,笔者在整理分析本地历年监测资料的基础上,结合多年的测报与防治经验,提出了应当注意的几个问题。
Six generations (4 generations) Cnaphalocrocis medinalis (Guenee) is the main pest in the late rice growth stage in Dongtai City. Affected by many factors, there is a great difference in the degree of occurrence of damage between years. In order to improve the accuracy of forecasting and prevention and cure, on the basis of analyzing and analyzing the monitoring data of the past years in our country, combined with many years of experience in forecasting and prevention and treatment, the author put forward some problems that should be noticed.