棉花烂铃,俗称捂(霉)桃子,这种情况几乎每年都有不同程度的发生。因此,应在弄清棉花烂铃发生的条件和原因的基础上,采取综合性的措施进行防治,力争把损失降到最低限度。一、棉花烂铃发生的条件和原因棉花烂铃是由多种病菌侵染为害棉铃引起的。棉区夏秋多雨年份,棉田湿度较大,郁闭较重,通风透光较差,适宜病原菌繁衍侵染,病害往往严重,棉花烂铃也比较严重。棉铃病害主要有疫病、炭疽病、角斑病、红腐病、红粉病、黑果病等,其中疫病是烂铃的主要病 Cotton boll, commonly known as cover (mold) peaches, this situation occurs almost every year to varying degrees. Therefore, on the basis of clarifying the conditions and causes of the bad cotton boll, comprehensive measures should be taken to prevent it from happening and strive to minimize the losses. First, the conditions and causes of bad cotton boll Cotton boll is caused by a variety of germs infestation cotton bolls. The cotton area is wet and dry in summer and autumn. The humidity in the cotton field is relatively large, the canopy is heavy, the ventilation and light are poor, and the pathogen is suitable for multiplication and infection. The disease is often serious and the cotton boll is also serious. The main diseases of cotton bollworm are anthrax, anthracnose, angular leaf spot, red rot disease, pink disease, black fruit disease, etc., of which the disease is the main disease of rotten bell