杀菌剂防治胡麻白粉病药效初探

Preliminary Study of Efficacy of Fungicides for Control of Flax Powdery Mildew

通过大田试验,对杀菌剂防治胡麻白粉病的药效及其对胡麻产量、经济性状的影响进行研究。结果表明:药后20 d,32%锰锌.腈菌唑WP 288 g a.i./hm2、40%福星EC 24 mL a.i./hm2对胡麻白粉病的防效分别可达50.00%和47.78%,较清水对照分别增产36.61%和41.30%。

With a field experiment the effect of fungicides on control of flax powdery mildew and on the yield and economic traits of flax were studied. The results showed that the effects of 32% MZ myclobutanil WP 288g a.i./hm2 and 40% Lucky Star EC 24 mL a.i./hm2 could reached 50.0% and 47.78% respectively 20 days aftcr application. The yiehls increased by 36.61% and 41.30% respectively compmed with that of the control with only water.