水稻苗期根部性状的遗传分析和最长根长QTL qLRL4的精细定位
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田彪, 丁仕林, 刘朝雷, 阮班普, 姜洪真, 郭锐, 董国军, 胡光莲, 郭龙彪, 钱前, 高振宇
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Genetic analysis of seedling root traits and fine mapping of the QTL qLRL4 for the longest root length in rice
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TIAN Biao, DING Shi-Lin, LIU Chao-Lei, RUAN Ban-Pu, JIANG Hong-Zhen, GUO Rui, DONG Guo-Jun, HU Guang-Lian, GUO Long-Biao, QIAN Qian, GAO Zhen-Yu
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表7 RIL群体的根系性状QTL
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Table 7 QTLs for root traits in the RIL population
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重复 Repeat | 性状 Trait | 染色体 Chromosome | QTL | LOD | P值 P-value | 分子标记 Marker | 遗传位置 Genetic position (cM) | 贡献率 PEV (%) | 加性效应 Additive effect | I | 最长根长 LRL | 1 | qLRL1 | 2.30 | 0.01 | M1-16-M1-19 | 173.3-188.0 | 10.3 | -1.48 | | | 4 | qLRL4 | 2.38 | 0.01 | M4-10-M4-13 | 161.1-190.6 | 4.8 | 1.47 | | | 10 | qLRL10 | 2.33 | 0.01 | M10-4-M10-7 | 15.2-43.4 | 6.3 | 1.16 | | 总根系长 TRL | 1 | qTRL1 | 4.62 | 0.01 | M1-20-M1-22 | 224.4-256.0 | 42.5 | -102.52 | | | 2 | qTRL2 | 12.92 | 0.01 | M2-10-M2-13 | 153.9-178.1 | 17.0 | 64.91 | | | 7 | qTRL7 | 5.84 | 0.01 | M7-1-M7-3 | 0.0-18.6 | 9.1 | 47.36 | | | 11 | qTRL11 | 8.47 | 0.01 | M11-11-M11-13 | 126.5-136.0 | 7.8 | 43.95 | | 根表面积 RSA | 2 | qRSA2 | 4.59 | 0.01 | M2-10-M2-13 | 153.9-178.1 | 15.7 | 5.67 | | | 7 | qRSA7 | 3.60 | 0.01 | M7-2-M7-4 | 18.6-62.2 | 17.7 | 6.03 | | | 11 | qRSA11 | 3.19 | 0.01 | M11-9-M11-13 | 92.0-136.0 | 7.1 | 3.81 | | 根体积 RV | 2 | qRV2 | 3.49 | 0.01 | M2-10-M2-13 | 153.9-178.1 | 11.3 | 0.05 | | | 7 | qRV7 | 3.27 | 0.01 | M7-2-M7-4 | 18.6-62.2 | 15.9 | 0.06 | | | 10 | qRV10 | 2.37 | 0.01 | M10-4-M10-7 | 15.2-43.4 | 4.6 | 0.03 | | | 11 | qRV11 | 3.77 | 0.01 | M11-2-M11-6 | 24.1-41.2 | 9.4 | 0.05 | | 根直径 RD | 1 | qRD1 | 4.38 | 0.01 | M1-2-M1-4 | 15.1-49.3 | 8.7 | 0.02 | | | 4 | qRD4 | 4.04 | 0.01 | M4-10-M4-13 | 161.1-190.6 | 26.3 | -0.04 | II | 最长根长 LRL | 4 | qLRL4 | 2.03 | 0.04 | M4-10-M4-13 | 161.1-190.6 | 8.3 | 1.99 | | 总根系长 TRL | 1 | qTRL1 | 13.53 | 0.01 | M1-18-M1-21 | 185.0-254.8 | 22.1 | -53.10 | 重复 Repeat | 性状 Trait | 染色体 Chromosome | QTL | LOD | P 值 P-value | 分子标记 Marker | 遗传位置 Genetic position (cM) | 贡献率 PEV (%) | 加性效应 Additive effect | | | 7 | qTRL7 | 16.84 | 0.01 | M7-2-M7-4 | 18.6-62.2 | 18.6 | 48.80 | | | 9 | qTRL9 | 10.29 | 0.01 | M9-7-M9-10 | 86.2-97.6 | 11.7 | -38.67 | | | 11 | qTRL11 | 6.95 | 0.01 | M11-9-M11-13 | 92.0-136.0 | 24.7 | 56.19 | | 根表面积RSA | 2 | qRSA2 | 4.61 | 0.01 | M2-10-M2-14 | 153.9-192.0 | 15.6 | 16.63 | | | 7 | qRSA7 | 3.64 | 0.01 | M7-2-M7-4 | 18.6-62.2 | 17.9 | 17.84 | | | 11 | qRSA11 | 3.36 | 0.01 | M11-9-M11-13 | 92.0-136.0 | 7.4 | 11.48 | | 根体积RV | 10 | qRV10 | 2.00 | 0.04 | M10-4-M10-7 | 15.2-43.4 | 6.5 | 0.03 | | 根直径 RD | 4 | qRD4 | 3.10 | 0.01 | M4-10-M4-13 | 161.1-190.6 | 9.4 | -0.04 | | | 11 | qRD11 | 2.83 | 0.01 | M11-4-M11-7 | 29.0-60.2 | 8.1 | 0.04 |
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