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一、主要病虫害种类 1.病害 有病毒病、霜霉病、白斑病、黑斑病、软腐病、黑腐病等。 2.虫害 有蚜虫、根蛆、黄条跳甲、小菜蛾、菜青虫等。 3.生理性病害 有于烧心、冻害等。 二、农业防治措施
First, the main types of pests and diseases 1. Diseases are virus disease, downy mildew, vitiligo, black spot, soft rot, black rot and so on. 2. Pests have aphids, root maggots, yellow strip beetle, diamondback moth, Pieris rapae and so on. 3. Physiological diseases in heartburn, frost damage and so on. Second, agricultural control measures