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大豆霜霉病是大豆生产中最重要的病害之一,近几年由于外地大量引进新品种,致使大豆霜霉病在新源县大豆种植区域发生流行,平均病田率达10~40%,对大豆产量和品质构成了极大的威胁。
Soybean Downy mildew is one of the most important diseases in soybean production. In recent years, the introduction of new varieties in large quantities in the field has led to the prevalence of soybean downy mildew in soybean planting areas in Xinyuan County, with an average disease rate of 10-40% Soybean yield and quality constitute a great threat.