大豆区试产量与主要农艺性状的灰色关联度分析

摘要

We analysed main characters of soybean for region trial variety in Henan province as materials by taking the method of grey relations. It was showed： yield was affected by seeds number per plant mostly, then the characters were the following： plant height, one hundred seeds weight, seed weight per plant, the pod number per plant, node numbers of main stem, the height of the bottom pod and effective branch number. The plant height,the pod number per plant, seeds number per plant were the main factors. Therefore, we should think of the high height, big seed, many pod amounts single plant for breeding of limited soybean variety.%以河南省大豆区试品种为材料，应用灰色关联度分析方法，对大豆的主要性状进行了分析。结果表明：对大豆产量影响最大的性状是单株粒数，其后依次为株高、百粒重、单株粒重、单株荚数、主茎节数、底荚高度、有效分枝数。株高、单株荚数和单株粒数为产量的主要影响因素，因此，在品种选育中，对有限结荚习性品种进行选择时，要优先考虑选择植株高大、籽粒大、结荚相对较多的单株。