Number of leaves was mainly controlled by additive effects, dominance effects were the major genetic component for length of leaves, width of leaves and area of leaves.
烤烟叶数性状主要受加性效应控制，腰叶长、腰叶宽和叶面积主要受显性效应控制。
Analysis of major Genetic component analysis was performed for 7 quantitative characters of 50 faba bean lines and, according to the analysis, 18 lines were selected as parents.
对50个蚕豆品种的7个数量性状进行了遗传主成份分析，初步提出了评选蚕豆品种的遗传主成份标准，并筛选出18个综合性状优良的亲本品种。
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