枯萎病是棉花的一种危险性病害,早已列为国内外植物检疫对象。棉花带菌种子是枯萎病远距离传播的主要途径。从病区调引棉子种植,导致枯萎病迅速扩展,已成为当前棉花生产上一个突出的问题。为了保护无病区,预防病害传播,解决良种繁育,推广与种子带菌、传病的矛盾,中国农业科学院棉花研究所经多年的 Fusarium wilt is a kind of dangerous disease of cotton and has long been listed as the target of plant quarantine at home and abroad. Cotton-contaminated seeds are the main pathway for the long-term spread of wilt disease. Bring cotton growing from ward, leading to the rapid expansion of wilt disease has become a prominent issue in the current cotton production. In order to protect the disease-free zone, prevent disease spread, solve the breeding, promotion and seed carrying bacteria, transmission of contradictions, the Chinese Academy of Agricultural Sciences Institute of cotton after many years