2种杀菌剂对黄瓜霜霉病田间药效评价

目的]明确2种药剂对黄瓜霜霉病的防治效果.方法]采用200 g/L NC-224悬乳剂和70％丙森锌（安泰生）可湿性粉剂进行田间防治黄瓜霜霉病药效试验.结果]200 g/L NC-224悬乳剂有效成分用量100 g/hm2和70％丙森锌（安泰生）可湿性粉剂有效成分用量2 100 g/hm2对黄瓜霜霉病的防效达到75％以上,且对黄瓜安全.结论]200g/L NC-224悬乳剂和70％丙森锌（安泰生）可湿性粉剂可作为防治黄瓜霜霉病的药剂推广应用.

Efficacy Evaluation of Two Fungicides against Cucumber Downy Mildew

Objective] The aim was to study efficacy evaluation of two fungicides against cucumber downy mildew.Method] The control effect of two fungicides,200 g/L NC-224 EC and 70％ propineb WP had been tested against cucumber downy mildew in field.Result] The results showed that 200 g/L NC-224 EC with an effective components of 100 g/hm2and 70％ propineb WP with 2 100 g/hm2 all had a good control effects on the cucumber downy mildew.The effects were more than 75％,and safe for cucumber.Conclusion] 200 g/L NC-224 EC with an effective components and 70％ propineb WP could both be used for prevention and control of cucumber downy mildew.