解放前,我国有些地方种植一种紫花棉,棉絮棕黄色,群众用来纺纱织布,无需染色,做成了天然棕黄色的衣服。本来野生棉花的纤维常带褐色,最初的栽培棉纤维的颜色也比较深,随着适应大规模纺织工业的需要,经过人们长期培育选择,形成现在的白色纤维。现在我国和其它一些国家都还保存着一些棕絮棉、绿絮棉、黄絮棉、灰色棉等有色棉花品种,它们作为历史上的品种或具有一定科研价值的品种,被当作品种资源保存起来,在生产上则多未 Before the liberation, some areas in our country planted a purple cotton, cotton brown, yellow, the masses used to spin weaving, without dyeing, made of natural brown-yellow clothes. Originally wild cotton fibers often brown, the initial cultivation of cotton fiber color is relatively deep, with the needs of large-scale textile industry to adapt to the long-term breeding options, the formation of the current white fiber. At present, some colored cotton varieties such as brown cotton, green cotton, cotton floss and gray cotton are still preserved in our country and other countries. They are preserved as varieties of history or varieties with scientific value, More on the production