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引言粘虫(Leucania Separata WaiRer),是我县农业生产上一个十分重要的害虫。每年发生三代,其中以第二代大发生频率最高,发生面积最大,据统计常年发生面积在10至30万亩之间,稍有忽视,一旦防治失时,就会给农业生产造成较重减产。因此在掌握规律基础上,切实抓好测报及防治工作,对夺得农业生产丰收,有着重要作用。本文根据二十年实际工作体会及积累的资料对以下三方面问题,论述如下:
Introduction Leucania Separata WaiRer is one of the most important pests in agricultural production in our county. Occurred three years each year, of which the second generation of the largest frequency of occurring, the largest area, according to statistics perennial area of 10 to 30 acres, a slight neglect, once the control of lost time, it will give a heavy agricultural production cuts . Therefore, on the basis of grasping the law, earnestly doing a good job in reporting and preventing and controlling crops plays an important role in winning the harvest of agricultural production. This article based on two decades of practical experience and accumulated information on the following three aspects, discussed as follows: