棉花是我国主要经济作物,在国民经济中占有重要位置。棉花良种在生产上的重要作用已被公认,而棉花良种繁育是一个比较棘手的问题。其原因:一是人为因素,植棉对于人们直接利用的是棉纺,是主产品,棉种只是作为再生产的副产品,棉花收购、加工、销售归供销社专营,棉种 Cotton is China’s major cash crop and occupies an important position in the national economy. The important role of cotton seed in the production has been recognized, and the breeding of cotton seed is a more difficult issue. The reason: First, human factors, cotton for cotton is the direct use of cotton, is the main product, cotton is only as a byproduct of reproduction, cotton acquisition, processing, sales and marketing cooperatives franchise, cotton seed