春播早熟区高粱骨干亲本主要性状配合力及杂种优势分析

刘晓涵, 唐玉劼, 刘新宇, 乔钲岩, 石贵山, 于淼, 李扬, 王鼐, 祁宏英, 陈冰嬬

Analysis of Combining Ability and Heterosis of Main Traits in Core Parents of Sorghum for Spring-Sown Early-Maturing Regions

Liu Xiaohan, Tang Yujie, Liu Xinyu, Qiao Zhengyan, Shi Guishan, Yu Miao, Li Yang, Wang Nai, Qi Hongying, Chen Bingru

表5 F1代产量相关性状杂种优势分析

Table 5 Analysis of yield related heterosis in F1 generation %

性状 Trait 中亲优势Mid-parent heterosis 超亲优势Heterobeltiosis 变幅 Range 均值 Mean 正向组合率 Positive combination rate 正向杂种 优势均值 Positive heterosis mean 变幅 Range 均值 Mean 正向组合率 Positive combination rate 正向杂种 优势均值 Positive heterosis mean 株高PH -13.81~61.68 15.91 89.32 18.34 -36.16~113.34 17.17 73.30 27.97 穗长PL -5.28~27.39 11.02 96.12 11.59 -19.32~45.02 14.52 83.01 18.88 穗柄长PSL -3.36~32.18 13.27 98.54 13.49 -11.15~57.54 19.57 91.75 21.67 穗柄伸出长度PSE -5529.85~8204.68 -0.87 46.60 483.32 -2668.13~1256.39 -84.54 47.57 211.75 千粒重TGW -11.39~38.14 9.73 86.89 11.71 -30.40~59.76 10.67 73.79 18.31 穗粒重GWPP -17.51~128.94 51.57 99.03 52.17 -50.49~256.41 71.68 94.17 76.99 产量Y 2.50~187.77 63.84 100.00 63.84 -27.12~287.81 87.97 97.09 90.83 倒2叶夹角I2LA -8.20~36.69 10.19 89.32 11.70 -17.32~71.18 14.62 82.04 19.18 倒2叶长I2LL -11.90~14.94 1.28 58.25 4.69 -23.85~24.97 -1.98 42.23 7.10 倒2叶宽I2LW -8.63~20.19 6.78 91.75 7.79 -28.86~34.89 5.84 70.87 11.95 倒3叶夹角I3LA -12.41~32.07 1.71 57.77 6.21 -33.67~46.97 -2.88 37.86 11.11 倒3叶长I3LL -10.22~14.43 2.67 70.39 5.10 -21.77~25.19 1.33 59.71 7.68 倒3叶宽I3LW -12.32~18.84 6.15 87.38 7.70 129.90~30.08 4.36 68.45 10.76