水稻核不育系4个柱头性状的遗传分析

江建华, 党小景, 姚文豪, 胡梦竹, 王雨停, 胡长敏, 张瑛, 王德正

Genetic Analysis of Four Stigma Traits with Genic Male Sterile Line in Rice (Oryza sativa)

Jianhua Jiang, Xiaojing Dang, Wenhao Yao, Mengzhu Hu, Yuting Wang, Changmin Hu, Ying Zhang, Dezheng Wang

表5 水稻4个柱头性状遗传参数估计值

Table 5 Estimates of genetic parameters for four stigma traits of rice

Genetic parameter Trait Stigma length Style length The sum of stigma and style length Percentage of exserted stigma E1 E2 E1 E2 E1 E2 E1 E2 MX2-ADI- AD MX2-ADI- AD MX2-ADI- AD 2MG-AD MX2-ADI- AD MX2-EEAD-AD MX2-EEAD-AD MX1-AEND-AD Univalent parameter da(d) 0.06 0.002 0.11 0.05 0.14 -0.26 -10.61 -17.87 db 0.06 0.001 0.03 -0.20 0.02 - - - ha(h) -0.12 -0.05 -0.12 0.04 -0.29 - - - hb -0.10 -0.05 -0.06 -0.005 -0.21 - - - i 0.12 0.02 0.05 - 0.17 - - - jab 0.09 0.002 0.02 - 0.10 - - - jba -0.06 0.001 -0.02 - -0.01 - - - l 0.13 0.36 0.08 - 0.24 - - - [d] -0.45 -0.30 -0.24 - -0.59 0.06 3.01 -10.51 [h] 0.20 -0.24 0.17 - 0.45 0.54 24.67 0.14 Bivalent parameter σ2p 0.020 0.022 0.014 0.040 0.053 0.089 232.04 325.28 σ2mg 0.013 0.014 0.010 0.033 0.039 0.082 155.72 216.11 σ2pg 0.005 0.005 - - 0.010 - 40.91 80.75 h2mg (%) 65.00 63.64 71.43 82.50 73.58 92.13 67.11 66.44 h2pg (%) 25.00 22.73 - - 18.87 - 17.63 24.82