海岛棉目标性状和品种间灰色关联度分析

Analysis of the Property of Sea Island Cotton in Allard's Reclamation Area

运用灰色系统理论 ,对阿拉尔垦区海岛棉目标性状和品种 (系 )进行灰色关联度分析。结果表明 :对气纺指标影响较大的因素是纤维长度、强力、反射率 ;对纤维长度影响较大的因素是株高、皮棉重、中部节长、有效铃等 ;对单株皮棉产量影响较大的因素为有效铃、果节数、株高、单铃数等。新海 15号的加权关联度最大 ,其次为 99 111,二者均为综合性状优良的品种 (系 )。

Sea Island cotton goal properties and variety in Allard's reclamation area were analyzed with the method of the gray systematic theory and gray related degree. The result showed: the fibre length, brute force and reflecting rate were bigger influent factors in spinning; Height of the plant, effective bell and the weight of ginned cotton were the greater factors affecting the fibre length; Effective bell, joint number of the fruit, height of the plant and the number of per bell were the greater factors affecting the output of single ginned cotton.The related degree of weighting of cotton variety——New sea 15 was the biggest;the second was 99-111;both of two varieties were the varieties with good comprehensive properties.