几种药剂对温室辣椒白粉病的防治研究

Study on Control of Red Pepper Powdery Mildew under Some Medicaments

[目的]为辣椒白粉病的防治工作提供技术参考。[方法]运用4种新型杀菌剂，对温室辣椒白粉病进行了田间药效试验。[结果]第1次施药7d后，4种杀菌剂对辣椒白粉病的防效为69．75％～79．59％；第2次施药后12d，防效为92．50％～95．41％。[结论]4种药剂在剂量范围内均对辣椒白粉痛的防治效果好，辣椒生长安全，无药害发生。

[ 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 popper 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.