不同杀菌剂对水稻稻瘟病的防治效果

Effects of Different Fungicides on Rice Blast

为科学合理地选择和使用水稻稻瘟病杀菌药剂，采用田间试验方法，验证4种杀菌剂对水稻稻瘟病的防治效果及其对作物的安全性。结果表明：三环唑、稻瘟灵、肟菌·戊唑醇和春雷霉素均能有效防治水稻稻瘟病，防效均在70％以上。供试4种药剂均对水稻安全，并能促进水稻增产16．71％～21．39％，增加收益，其中三环唑和稻瘟灵的防治效果较好。

In order to use drugs scientifically and reasonably ,the control effects and safety of four fungicides on rice blast were researched through field trails .The results showed that all four fungicides had best effects to control rice blast and had better safety on rice ,the effect exceeded 70% ,increased yield by 16 .71% - 21 .39% , Tricyclazole and Isoprothiolane had better effects among four fungicides .