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本文采用典型相关分析法,研究棉花产量性状和形态性状间的相关关系;明确了果枝、果节数和株铃数相关密切;株高、节位对提高结铃性有正向作用;第1果节长对提高铃重有较大促进作用;果节平均长对结铃性、铃重、衣分有负向作用,其它性状影响甚微.据此认为,宜选择果枝果节较多、植株偏矮、果节乎均长度适中、第1果节较长的类型作为间接提高产量性状的棉花F_2代单株选择模式.
In this paper, canonical correlation analysis was used to study the correlation between cotton yield traits and morphological traits. The results showed that the number of fruit branches and fruit nodes was closely related to the number of bolls; Fruit length has a greater role in promoting boll weight. The average fruit length has a negative effect on boll boll, boll weight and lint percentage, but little effect on other traits. Therefore, The shorter plant length, moderate fruit length, and the longer length of the first fruit section were used as the single plant selection mode for cotton F 2 indirectly increasing the yield traits.