中文摘要：

介绍了棉花化学脱叶与催熟技术的原理,脱叶催熟剂的复配混用现状以及助剂的应用,分析了化学脱叶催熟技术对棉花产量、纤维品质和种子质量的影响,重点探讨了脱叶催熟剂的使用技术,并对中国目前脱叶催熟技术存在的问题以及未来的发展提出了建议。

英文摘要：

This paper introduced the principle of cotton chemical defoliation and ripening, the currentcomplexion situation of chemical defoliants and ripeners, and the application of auxiliaries. The influences ofthe technology on cotton yield, fiber quality and seed quality were analyzed. The paper focused on the usagemethod of the chemical defoliation and ripening technology, and some suggestions on the China existingtechnology problems and future development were put forward.