Study on Control of Red Pepper Powdery Mildew under Some Medicaments

[Objective] The study aimed to provide technical reference on controlling of red pepper powdery mildew in future.[Method] The field control effectiveness test on red pepper powdery mildew was conducted by 4 kinds of new fungicides.[Result] The control effect of red pepper powdery mildew were 69.75%-79.59% after 7 days of the first applying medication;the control effect were 92.50%-95.41% after 12 days of the second applying medication.[Conclusion] The 4 kinds of fungicides had better effects on red pepper powdery midew,and safe to growth and with un-occurred pesticide injury on pepper in the corresponding dose range.