Field Efficacy of 30% Difenoconazole Propiconazole EC against Rice Sheath Blight

The reduction of pest control 30% difenoconazole propiconazole EC and routine control of 20% validam ycin SP against sheath blight were compared,the control efficacy of 30% difenoconazole propiconazole against sheath blight were evaluated.The results show that,30% difenoconazole propiconazole EC has good control efficacy on Rhizoctonia solani,the average control efficacy reached up to 84.14%,and it was 4.62% higher than the control efficacy of 20% validam ycin SP reduction of pest control region 667 m2 yield 527.9 kg while conventional medication 20% validam ycin SP control area 667 m2 yield 496.7 kg,the former increase 31.2 kg/u,which increase by 6.28%.The pesticide employment is less 2.5 yuan/u,increase benefit 62.9 yuan/u.The results suggest that 30% difenoconazole propiconazole EC 30 mL/u with added water 45 kg/u against rice sheath blight by foliar spray evenly at the occurrence stage of sheath blight.