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应用灰色关联分析方法，研究了甜荞主要数量性状与产量之间的关联度。结果表明：关联度大小依次为单株粒数＞株高＞全生育期天数＞主茎节数＞单株分枝＞千粒重。
Using gray relational analysis method, the relationship between the main quantitative characters of sweet buckwheat and yield was studied. The results showed that the correlation degree was in the order of grain number per plant> plant height> days of full growth period> number of main stems> single branch> 1000-grain weight.