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棉花枯萎病是一种毁灭性病害,国家已列为检疫对象。我省早年曾在宾川、永胜、保山等棉区零星发现棉花枯萎病植株,但未蔓延,未予注意。一九六九、一九七○年大量调入鄂光棉,因种子带菌,七○年在宾川、弥渡等地零星发生枯萎病,七二年后连续蔓延,造成大面积危害。主要棉区宾川、永胜重病年植棉近八万亩,产量急剧下降,宾川由六六年的亩产72斤下降到七四年的19.6斤,永胜由六六年亩产57斤,下降到七三年的21斤,接近解放初期的永平。一九七二年组建省棉花枯、黄萎病综合防治研究协作组,开展综合防治研究工作,
Cotton blight is a devastating disease, the country has been classified as quarantine object. Early years of our province in Binchuan, Yongsheng, Baoshan and other cotton sporadic found cotton plants, but did not spread, did not pay attention. In 1969 and 1970, a large number of crops were transferred to E-Guang Mian. Fusarium wilt occurred sporadically in Binchuan and Midu in 1970 due to seed-borne diseases. The disease spread continuously over the past two or two years, causing extensive damage. The main cotton area Binchuan, Yongsheng seriously ill in cotton planting nearly 80,000 mu, a sharp decline in production, Binchuan from 66 acres per mu down to 19.4 kg 72 kg, Yongsheng sixty-six acres 57 Kg, down to 21 pounds in seven or three years, close to the liberation of Yongping. In 1972, it established a province-based collaborative research group on prevention and control of cotton wilt and verticillium wilt and conducted research on integrated prevention and control.