超级稻两优培九产量及相关性状(3)
HD 95.0 101.84 102.86 2.75 116.50 88.50 101.60 1.09 109.50 98.50 -0.76
PH 81.70 130.14 129.40 5.44 142.19 107.39 128.87 3.46 137.13 121.38 -0.89
PL 24.21 23.13 23.10 0.82 26.12 20.81 22.94 0.59 25.04 21.77 -0.17
GPP 212.11 209.52 205.94 17.27 243.78 153.09 211.46 11.97 246.98 182.48 3.74
PPP 9.42 5.0 5.00 0.41 6.00 3.92 5.59 0.54 7.08 4.50 0.59
SS ND 75.53 79.86 5.81 89.66 60.03 80.95 3.75 91.85 70.42 3.26
TGW ND 30.32 29.87 1.23 32.79 25.28 29.58 0.81 31.98 26.64 -0.52
GWP ND 23.83 24.56 2.88 31.85 16.60 28.15 2.91 36.01 18.73 3.94
GWP grain weight per plant; GPP grains per panicle; TGW 1000-grain weight; PPP panicles per plant; PH plant height; HD heading date; PL panicle length; SS seed set; SD standard deviation of mean value; MPH mid-parent heterosis, given by F1-(CSSLs + cv.9311)/2; ND no detect.
2.2 PA64S/9311群体及其对应杂种F1群体产量构成性状的相关性分析
在置换系群体中，单株产量与结实率、每穗粒数、单株有效穗及株高成极显著正相关，相关系数分别为0.54、0.46、0.37和0.36。千粒重与株高、穗长和抽穗期成显著正相关，相关系数分别为0.58、0.22和0.34。结实率与穗长成正相关。单株有效穗与每穗粒数成显著负相关。在杂种F1群体中，抽穗期与结实率、有效穗、每穗粒数及穗长成显著正相关。结实率与株高成极显著负相关系数达0.35。单株有效穗与穗长和每穗粒数成显著负相关。