30%爱苗乳油对直播稻纹枯病、稻曲病、紫秆病防效试验

Control efficacy of 30% ai-miao EC on sheath blight, rice false smut and purple stem disease of direct seedling rice

摘要: 在直播稻上进行30%爱苗乳油防治纹枯病、稻曲病、紫秆病试验，结果表明：用30%爱苗乳油1500倍液在水稻破口期和齐穗期用药2次效果最好，稻曲病防效达83%以上，紫秆病防效达70%以上，纹枯病防效达77%以上，且具有一定的增产作用。

Abstract: Control efficacy of 30% ai-miao EC on sheath blight, rice false smut and purple stem disease of direct seedling rice were studied. The results showed that, application of 1500 times of 30% ai-miao EC in rupturing stage and full heading stage could both obtain the best control effect, which the controlling efficacy was over 83% on rice false smut, over 70% on rice purple stem disease, and over 77% on sheath blight, and the yield of rice was increased to some extent.