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黄瓜霜霉病不同施药期试验得出 :在黄瓜霜霉病发生前期施药防治 ,所有的参试药剂均可得到较好的防治效果。在发病中、后期防治 ,参试药剂除抑快净外 ,其余药剂防效均不够理想。因此 ,在黄瓜霜霉病防治上应提倡及早、及时用药 ,发挥药剂的预防效果。
Cucumber downy mildew different application period of the test results: Cucumber downy mildew in the pre-emergence of drug control, all of the test agents can get better control effect. In the disease, the late prevention and treatment, in addition to fasting test agents except the net, the remaining drug control effect is not ideal. Therefore, prevention and treatment of cucumber downy mildew should be promoted as soon as possible, timely medication, play a preventive effect of the agent.