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在测定大蒜叶斑病对植株的影响中，确定了以绿色叶片数及枯黄叶面积大小为主的田间病情分级标准。通过田间小区试验，导出了病情指数与产量的回归方程式ｙ（％）＝９３．０６６－０．７４１ｘ（ｒ＝－０．９３３）。药剂防治试验表明，有１１种药剂抑制分生孢子萌发的效果良好，４种抑制菌丝体生长的效果达１００％，两种药剂的田间防效较高。
In the determination of garlic leaf spot on the impact of plants, to determine the number of green leaves and the size of the yellow leaves of the field-based grading standards. The field regression equation y (%) = 93.066-0.741x (r = -0.933) was derived from field plot test. Pharmacy control experiments showed that 11 kinds of agents inhibit the germination of conidia good effect, four kinds of inhibition of mycelium growth effect of 100%, two kinds of pharmaceutical field control effect is high.