我国棉花的演进与种质资源

棉花传入我国后 ,长期徘徊于少数民族地区 ,自然因素在其进化过程中起主导作用。尔后在社会需求的推动下 ,棉花生产迅速发展 ,人为因素开始参与品种的进化过程。为适应新的机械纺织的需要 ,国外优良品种被大量引入 ,促进了品种进化的一次飞跃。随着种质资源工作系统性地展开 ,并通过育种家的艰苦努力 ,一批优秀品种脱颖而出 ,将我国棉花生产带入崭新的发展阶段。在生物技术被广泛应用的今天 ,品种进化的效率和途径发生了前所未有的变化 ,进化本身被赋予了新的内涵

Cotton Evolution and Its Variety Resource in China

Cotton had been wandered over the minority regions for a long time, and natural factors are the major operation of its evolvement process since it was introduced into our country. After this, cotton production expanded rapidly by society demand driving, man made factors began to participate in the variety evolution. For the needs of spin machine, a lot of foreign varieties were introduced, and promoted a great leap of variety evolution. Along with the work of variety resource and via experts' hard work, a set of excellent varieties were bred, entered upon a new phase of our cotton production development. Today biotechnology is applied abroad, all of efficiency and approach of variety evolution are changed greatly, and evolution is endued with new meaning.