水稻ptc1隐性核不育系的创制及其配合力分析

李京琳, 李佳林, 李新鹏, 安保光, 曾翔, 吴永忠, 黄培劲, 龙湍

Creation and combining ability analysis of recessive genic sterile lines with a new ptc1 locus in rice

LI Jing-Lin, LI Jia-Lin, LI Xin-Peng, AN Bao-Guang, ZENG Xiang, WU Yong-Zhong, HUANG Pei-Jing, LONG Tuan

表5 C815S和C815G的田间配合力方差分析

Table 5 Variance analysis of combining ability of C815S and C815G in fields

性状 Trait 变因Variance 区组 Block 组合Combination 父本 Male parent 母本 Female parent 父本×母本 Male × female 误差 Error 自由度DF 3 29 14 1 14 87 抽穗期Heading date 16.03** 99.92** 126.39 2.7 80.4** 1.4 株高Plant height 128.76** 122.89** 208.11** 2.7** 46.25 26.8 总分蘖数Total tiller number 5.34 7.23** 10.2* 2.13 4.64* 2.47 穗长Panicle length 1.14 2.43** 2.58 0.18 2.43** 0.56 穗粒数No. of spikelets perpanicle 462.34* 1046.13** 1018.12 0.71 1148.8** 142.64 结实率Seed-setting rate 0.005* 0.004** 0.003 0.001 0.004** 0.001 粒长Grain length 0.03 0.59** 0.54 0.0007 0.69** 0.03 粒宽Grain width 0.02 0.16** 0.15 0.0001 0.18** 0.01 千粒重1000-grain weight 0.24 15.82** 21.19* 0.23 11.56** 0.3 单株产量Grain yield per plant 1279.36** 348.89** 486.62* 66.11 231.37** 37.54