水稻高秆染色体片段代换系Z1377的鉴定及重要农艺性状QTL定位
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崔国庆,王世明,马福盈,汪会,向朝中,李云峰,何光华,张长伟,杨正林,凌英华,赵芳明
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Identification of Rice Chromosome Segment Substitution Line Z1377 with Increased Plant Height and QTL Mapping for Agronomic Important Traits
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Guo-Qing CUI,Shi-Ming WANG,Fu-Ying MA,Hui WANG,Chao-Zhong XIANG,Yun-Feng LI,Guang-Hua HE,Chang-Wei ZHANG,Zheng-Lin YANG,Ying-Hua LING,Fang-Ming ZHAO
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表1 成熟期的日本晴和Z1377及F2群体各性状统计参数
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Table 1 Statistical parameters of different traits in Nipponbare, Z1377, and the F2 population
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性状
Trait | 平均值±标准差(亲本)
Mean±SD (parents) | F2 群体
F2 population | 日本晴
Nipponbare | Z1377 | 平均值±标准差
Mean±SD | 范围
Range | 偏度
Skewness | 峰度
Kurtosis | | 株高Plant height (cm) | 89.68±2.65** | 171.39±3.87** | 130.07±21.39 | 81.60-169.50 | -0.62 | -0.58 | | 有效穗数Panicle number | 13.65±3.30** | 5.20±1.17** | 8.70±4.17 | 1.00-27.00 | 1.24 | 3.97 | | 倒一节Length of the first internode (cm) | 39.02±2.16** | 56.02±1.81** | 45.69±6.23 | 32.00-59.80 | -0.17 | -0.65 | | 倒二节Length of the second internode (cm) | 18.32±1.37** | 26.58±1.27** | 22.45±4.71 | 10.50-32.30 | -0.36 | -0.03 | | 倒三节Length of the third internode (cm) | 10.19±1.67** | 22.45±1.64** | 15.96±4.60 | 3.80-26.20 | -0.21 | -0.12 | | 倒四节Length of the fourth internode (cm) | 1.84±0.75** | 17.46±1.05** | 11.96±3.54 | 1.80-19.50 | -0.89 | 1.05 | | 倒五节Length of the fifth internode (cm) | — | 11.08±2.78 | 7.03±3.20 | 1.70-13.70 | 0.20 | -0.88 | | 倒六节Length of the sixth internode (cm) | — | 4.00±1.29 | 5.21±3.00 | 1.30-10.10 | 0.15 | -1.52 | | 穗长Panicle length (cm) | 20.09±2.17** | 33.49±3.17** | 27.86±5.39 | 18.00-42.77 | 0.22 | -0.32 | | 一次枝梗数Number of primary branch | 8.43±1.73** | 15.33±1.91** | 12.12±2.63 | 7.21-18.10 | -0.03 | -0.56 | | 二次枝梗数Number of secondary branch | 26.47±7.51** | 71.69±22.46** | 49.85±17.90 | 21.13-98.90 | 0.32 | -0.29 | | 粒长Grain length (mm) | 7.01±0.10** | 10.02±0.16** | 8.45±0.75 | 7.00-9.87 | -0.35 | -0.85 | | 粒宽Grain width (mm) | 3.42±0.07** | 2.92±0.08** | 3.14±0.25 | 2.50-3.60 | -0.41 | -0.62 | | 实粒数Grains per panicle | 96.99±8.62** | 233.06±55.96** | 91.69±53.23 | 2.00-224.00 | 0.28 | -0.44 | | 总粒数Spikelets per panicle | 103.04±8.82** | 272.65±69.96** | 187.18±71.76 | 42.00-370.00 | 0.39 | -0.25 | | 结实率Seed setting ratio (%) | 94.13±0.01** | 86.75±2.97** | 0.54±0.31 | 0.02-0.95 | -0.29 | -1.42 | | 千粒重1000-grain weight (g) | 25.60±0.56 | 25.37±0.66 | 24.61±3.21 | 16.60-31.40 | -0.26 | -0.44 | | 单株产量Yield per plant (g) | 33.82±7.15 | 30.77±7.43 | 22.42±17.71 | 0.27-82.4 | 1.16 | 1.62 |
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