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棉花枯萎病是一种毁灭性的病害,属国内外检疫对象。上饶地区一九七六年在乐平县港口公社五星大队谢家村首先发现零星病株。当年普查,发病棉区只港口、镇桥、接渡、乐平镇、凤凰山五个社场,发病面积仅99.5亩,占乐平县棉田总面积的0.66%。七九年调查,发病棉区已蔓延到蔬菜场、镇桥、后港、礼林、高家、凤凰山等九个社场18000余亩,占棉亩总面积的30%,比七六年骤增180倍。乐平县七九年发病棉田有60%属于重病区,病株率最高达84.5%,病情指数达66,一般发病棉田病株率在15.7—44.12%,病情指数为10—33.8。八○年更趋严重,
Cotton Fusarium wilt is a devastating disease, which belongs to quarantine objects at home and abroad. Shangrao region in 1976 in Leping County Harbor Commune five-star brigade Xie village first discovered sporadic diseased. Census of the year, the incidence of cotton only harbor, town bridge, pick up, Leping Town, Phoenix Hill five communities, the incidence of only 99.5 acres, accounting for 0.66% of the total area of Leping cotton field. In the survey in 1979, the affected cotton area has spread to more than 18,000 mu of nine communities including vegetable farms, Zhenqiao, Hougang, Liulin, Gaojia and Fenghuangshan, accounting for 30% of the total cotton mu area, A sudden increase of 180 times. Sixty percent of the affected cotton fields in Leping County are seriously ward in the 79th year. The diseased rate is up to 84.5% and the disease index is 66. The average diseased cotton plant rate is 15.7-44.12% and the disease index is 10-33.8. 80 years more serious,