60％吡虫啉SC种衣剂拌种对水稻苗期虫害的防治效果及秧苗素质的影响

目的]研究60％吡虫啉sc种衣剂拌种对水稻苗期害虫的防治效果及秧苗素质的影响。方法]设4个处理，于水稻秧田期进行拌种处理。结果表明]60％吡虫啉Sc种衣剂对秧田灰飞虱和蓟马具有较好的防治效果，lkg稻种拌60％吡虫啉sc种衣剂5ml对灰飞虱揭膜后20d的防效在85．51％，对蓟马的防效在90％以上，控制期长达30d以上，且对水稻秧苗素质的提高有明显作用。结论]60％吡虫啉sc种衣荆是秧田期控制灰飞虱和蓟马为害的理想药剂。

Control Effect and the Quality of Rice Seedling of 60% lmidacloprid Seed Coating on Insect Pest in Rice Seedling Stage

Objective ] The aim was to study control effect and the quality of rice seedling of 60% imidacloprid seed coating on insect pest in rice seedling stage. Method] Seed dressing treatment was carried out in rice seedling stage by setting up four treatment. Result] The result showed that 60% imidaeloprid seed coating had better control effect on WBPH and Rice Thrip. Control effect of WBPH reached 85.51% after removing film 20d by 1 kg rlce mixing with 60% imidacloprid SC 5 ml. The control effect of thrips reached more than 90% , and the control period was more than 30 d, and there was apparent effect on the improvement of rice seedling quality. Conclusion] 60% imidacloprid SC was ideal pharmaceutical of control of WBPH and rice thrip in rice seedling stage.