120g/L氟唑菌酰胺·氟环唑乳油对水稻纹枯病的田间防治效果

Control Efficiency of 120g/L Fluxapyroxad EC on Rice Sheath Blight

[目的]筛选防治水稻纹枯病的最佳药剂及方案。[方法]通过田间药效试验测定了120 g/L氟唑菌酰胺·氟环唑乳油对水稻纹枯病的田间防治效果。[结果]600、750、900 ml/hm2120 g/L氟唑菌酰胺·氟环唑乳油对水稻纹枯病的防治效果明显,药后15 d的防治效果达到65%以上。[结论]120 g/L氟唑菌酰胺·氟环唑乳油防治水稻纹枯病的最佳使用剂量为750 ml/hm2。

[ Objective ] The aim was to screen out the optimal agents and scheme to control rice sheath blight. [ Method ] The control efficiency of 120 g/L fluxapyroxad EC against rice sheath blighf was determined thorough field test. [ Result] 600, 750,900 ml/hm. 120 g/L fluxapyroxad EC showed obvious control efficiency against rice sheath blight, and their control effects were more than 65% for application after 15 days. [ Conclusion] The best dose of 120 g/L fluxapyroxad EC against rice sheath blight was found to be 750 ml/hm^2.