论文部分内容阅读
稻水象甲是一种严重危害水稻的国际检疫性害虫,螟虫也是水稻的主要害虫之一。为了明确甲基异柳磷对这两种害虫的防效,我们于1994年分别在洞头和余杭进行田间药效试验,结果如下:
Rice water weevil is an international quarantine pest that seriously damages rice, and stem borer is also one of the major pests of rice. In order to clarify the control effect of methyl isofenphos on these two pests, we conducted field efficacy trials in Dongtou and Yuhang in 1994 with the following results: