Principal components analysis showed that the first four principal components variance accumulation contribution rate amounts to 89 . 53 % , which reflected most of the variance information as listed characters above 通径分析结果显示，直接通径系数大小排序，产量因素性状依次为单株成铃单铃子棉重子指衣分；纤维品质性状依次为纺纱均匀性指数麦克隆值整齐度伸长率比强度2 . 5 %跨长。
