棉花杂种优势不仅能大幅度提高产量,也是改善纤维品质、增强抗逆性的重要途径。尤其近几年棉花杂种优势利用在我国棉花生产上发展迅速,获得越来越明显的经济和社会效益。随着纺织工业设备的更新,对原棉品质也有了更高的要求。面对我国加入ＷＴＯ的新形式,原棉质量的优劣将直接 Cotton heterosis can not only greatly improve the yield, but also improve the fiber quality, an important way to enhance resistance. In particular, the utilization of cotton heterosis in recent years, the rapid development of China’s cotton production, access to more and more obvious economic and social benefits. With the textile industry equipment updates, the quality of raw cotton also have higher requirements. Facing the new form of China’s accession to the WTO, the quality of raw cotton will be direct