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棉花烂铃是棉花生育期间最重要的病害之一,烂铃多少与产量高低、品质优劣呈显著正相关.在我国能引起棉花烂铃的病菌约有20多种,在各主要棉区,烂铃病原菌种类大体相同的,常见的烂铃病菌有:疫病菌、红腐病菌、炭疽病菌、印度炭疽病菌、角斑菌、红粉病菌等.造成棉花烂铃因素很多,除品种特性和栽培技术外,还与病虫危害,特别在8月上旬至9月上旬雨量、雨日多少有关.防治烂铃的基础是选用抗逆性良种,技术关键是综合防治:
Cotton boll boll is one of the most important diseases during the cotton growing period. The number of rotten bolls is significantly and positively correlated with the yield and the quality. In our country, there are about 20 kinds of pathogenic bacteria causing cotton boll boll, Rotten bell pathogens are generally the same, the common rotten bell bacteria are: Phytophthora, red rot bacteria, anthrax bacteria, India anthrax bacteria, angular bacteria, pink bacteria, etc. Many factors causing cotton boll, in addition to variety characteristics and cultivation techniques But also with pest and disease hazards, especially in early August to early September the amount of rainfall, rainy days how much.Prevention and treatment of rotten bell is based on the selection of resistant varieties, the technology is the key integrated control: