遮阴条件下玉米自交系配合力与遗传效应分析

袁刘正, 王会强, 王秋岭, 朱世蝶, 赵月强, 袁曼曼, 王会涛, 张运栋, 柳家友, 袁永强

Analysis of Combining Ability and Genetic Effect of Maize Inbred Lines under Shading Condition

Yuan Liuzheng, Wang Huiqiang, WangQiuling , Zhu Shidie, ZhaoYueqiang , Yuan Manman, Wang Huitao, Zhang Yundong, Liu Jiayou, Yuan Yongqiang

表5 不同处理下主要性状的遗传参数

Table 5 Genetic parameters of main traits under different treatments

项目 Item 产量 Yield 穗长 Ear length 穗粗 Ear diameter 秃尖长 Bald tip length 穗行数 Row number per ear 行粒数 Grainnumber per row 百粒重 100-grain weight CK ZY CK ZY CK ZY CK ZY CK ZY CK ZY CK ZY 加性方差 Additive variance 12704.54 6729.55 3.60 3.43 0.02 0.06 0.06 0.22 0.91 1.74 3.20 6.45 7.57 0.22 非加性方差 Non-additive variance 15905.85 8971.07 1.04 2.36 0.04 0.04 0.10 0.11 0.61 1.16 5.39 17.38 1.02 5.78 环境方差 Environmental variance 7434.10 1932.97 0.13 4.14 0.02 0.12 0.01 0.24 0.73 0.42 6.48 2.82 1.78 1.40 一般配合力方差 Variance of GCA (%) 44.41 43.47 77.78 59.19 54.90 70.89 44.48 70.47 72.45 60.07 37.20 27.05 88.60 3.59 特殊配合力方差 Variance of SCA (%) 55.59 56.53 22.22 40.81 45.10 29.11 55.52 29.53 27.55 39.93 62.80 72.95 11.40 96.41 广义遗传力 General heritability (%) 79.38 89.14 97.27 58.29 81.85 50.30 97.44 60.00 75.14 87.41 56.97 89.41 83.44 81.07 狭义遗传力 Narrow-sense heritability (%) 35.25 38.75 75.66 34.50 44.93 35.66 43.34 42.28 54.44 52.51 21.20 24.18 73.92 2.91