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对１２个高粱品种及６个性状进行灰色关联分析，结果表明：品种ＩＳ－５６１３的关联度最大，ｒ＝０．７２４４，属最耐瘠品种，６个性状的关联度排序是：千粒重＞生育期＞穗长＞株高＞茎粗＞穗粒重。
Gray correlation analysis of 12 sorghum cultivars and 6 traits showed that IS-5613 had the highest degree of association (r = 0.7244), belonging to the most resistant varieties. The order of the 6 traits was: 1000-grain weight> fertility Period> ear length> height> stem diameter> ear grain weight.