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黄瓜白粉病[Spherotheca fuliginea(Schlecht.)Poll.]是京郊黄瓜主要病害之一。近年来,随着保护地发展为害越来越严重,而常用农药托布津因产生了抗药性,效果不灵了,生产上迫切要求解决防治上的问题。为此,我们筛选出新农用抗菌素120,在黄瓜白粉病上应用,效果显著,在防治其它作物的白粉病上效果也明显。现将结果汇总如下。
Cucumber powdery mildew [Spherotheca fuliginea (Schlecht.) Poll.] Is one of the main cucumber diseases in the suburbs of Beijing. In recent years, with the development of protected areas becoming more and more serious, and the commonly used pesticide Topuizin has developed resistance, the effect is not effective, the production is urgently required to solve the problem of prevention and control. For this reason, we screened out the new agricultural antibiotic 120, applied to the cucumber powdery mildew, the effect is remarkable, and the effect is also obvious on powdery mildew prevention and control of other crops. The results are summarized below.