水稻中后期白背飞虱、褐飞虱、三化螟、二化螟、纵卷叶螟等多种害虫并发的时期.我市一般在7月下旬至8月初、8月底到9月初,这几种害虫的发生期与防治时期基本接近。因此,搞好水稻害虫总体防治显得尤为重要。而要实行总体防治,其关键是要有一个对水稻多种害虫都能兼治的好药剂,以及与之相配套的防治策略和防治技术。锐劲特 Rice in the late whitebacked planthopper, brown planthopper, Borer, Chilo suppressalis, leafroller and other pests and concomitant period.Our city in late July to early August, late August to early September, these types Pest occurrence and control period basically close. Therefore, it is particularly important to do a good job in the overall prevention and control of rice pests. And to implement the overall prevention and control, the key is to have a good agent for both rice and pests, as well as the accompanying prevention and control strategies and prevention and control technologies. Regent