基于苞叶表型性状的玉米自交系遗传多样性及遗传距离分析

马红珍, 许海涛, 王月, 冯晓曦, 许波, 张军刚, 郭海斌, 王友华

Analysis of Genetic Diversity and Genetic Distance of Maize Inbred Lines Based on Phenotypic Traits of Husks

Ma Hongzhen, Xu Haitao, Wang Yue, Feng Xiaoxi, Xu Bo, Zhang Jungang, Guo Haibin, Wang Youhua

表6 玉米自交系不同类群的各性状平均值

Table 6 Average values of various characteristics in different groups of maize inbred lines

性状 Trait 类群Group Ⅰ Ⅱ Ⅲ Ⅳ Ⅴ 苞叶层数Husk layer 10.7 8.4 8.5 7.6 10.5 最长苞叶长 Longest husk length (cm) 21.1 23.9 24.0 23.6 21.2 最长苞叶宽 Longest husk width (cm) 8.0 11.0 8.9 11.4 7.8 第3片苞叶长 3rd husk length (cm) 20.0 22.4 22.9 22.5 20.5 第3片苞叶宽 3rd husk width (cm) 8.4 10.5 9.0 11.3 8.9 苞叶厚度 Husk thickness (mm) 2.65 2.13 2.45 2.53 2.17 苞叶干重Husk dry weight (g) 17.12 9.08 12.81 14.04 13.14 苞叶松紧度Husk tightness 0.907 0.881 0.893 0.889 0.879