随着棉花市场的逐步放开，为适应内需外销的需要，提高纺织产品在国际市场上的竞争力，本文以长江流域枯黄萎病棉区为例，利用灰色系统建模与预测技术，试对长江流域枯黄萎病区棉花纤维品质发展趋势作一分析，为育种工作者预测工作前景、修正育种目标、提高选择效果提供依据。 With the gradual liberalization of the cotton market, in order to meet the needs of domestic demand for export and improve the competitiveness of textile products in the international market, this paper took the case of the wilt area of ​​the Yangtze River valley as an example, using gray system modeling and forecasting technology, The trend of cotton fiber quality in the wilt area of ​​the Yangtze River valley was analyzed, which provided the basis for breeders forecasting the prospect of work, revising the breeding target and improving the selection effect.