黑龙江省大豆主栽品种主要性状灰色关联度分析

Grey Correlation Degree Analysis on Main Traits of Soybean Varieties in Heilongjiang Province

为了寻求对黑龙江省三江平原地区大豆产量影响较大的主要农艺性状,从而为龙江地区大豆育种工作提供理论依据。应用灰色关联度分析方法,分析黑龙江省大豆品种主要性状对其产量的影响。结果表明:产量与主要性状的关联度大小依次为单株粒数>单株荚数>结荚层数>有效分枝>株高>主茎节数>百粒重>单株粒重>底荚高度,对黑龙江省大豆产量影响最大的是单株粒数,影响较大的是单株荚数、结荚层数,影响中等的是有效分枝>株高>主茎节数>百粒重,影响较小的是单株粒重和底荚高度。

Grey eorrelation degree analysis method was adopted to analyze the agronomic traits that affecting soybean yields most. Twenty widely grown soybean cultivars in Heilongjiang Province were planted and their agronomic traits were recorded. Results indicate the correlation order between agronomic traits and yield were as followes ： seed number per plant 〉 pod number per plant 〉 effective node number 〉 branches 〉 plant height 〉 main stem node number 〉 100- seed weight 〉 seed weight per plant 〉 height of lowest pod.