优良水稻染色体片段代换系Z746的鉴定及重要农艺性状QTL定位及其验证
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沈文强, 赵冰冰, 于国玲, 李凤菲, 朱小燕, 马福盈, 李云峰, 何光华, 赵芳明
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Identification of an excellent rice chromosome segment substitution line Z746 and QTL mapping and verification of important agronomic traits
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SHEN Wen-Qiang, ZHAO Bing-Bing, YU Guo-Ling, LI Feng-Fei, ZHU Xiao-Yan, MA Fu-Ying, LI Yun-Feng, HE Guang-Hua, ZHAO Fang-Ming
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表3 SSSL中QTL的加性效应分析
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Table 3 Additive effect analysis of QTLs in SSSLs
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SSSL代码 SSSL code | 代换片段 b Substitution segment b | 长度 Length (Mb) | 染色体 Chr. | 性状 Trait | QTL | 均值±标准差 Mean±SD | 加性效应 Additive | P值 P-value | N a | | — | | 株高 Plant height (cm) | | 90.60±4.50 | | | S1 | RM2770--RM6378--RM1075 | 1.04 | 2 | qPH2-1 | 101.06±1.65 | 5.23 | 2.86E-06 | S2 | RM6378--RM1075--RM5699 | 2.58 | 2 | qPH2-2 | 128.12±3.46 | 18.76 | 2.58E-13 | S3 | RM132--RM14389--RM175 | 7.34 | 3 | qPH3-1 | 101.15±1.54 | 5.28 | 2.31E-06 | S4 | RM5928--RM6266--RM157 | 1.43 | 3 | qPH3-2 | 110.65±3.48 | 10.02 | 4.55E-08 | S5 | RM5688--RM1155--RM17078 | 2.95 | 4 | qPH4 | 108.66±3.19 | 9.03 | 1.40E-08 | S6 | RM7412--RM103--RM494 | 0.90 | 6 | qPH6-1 | 109.31±2.00 | 9.36 | 1.35E-09 | S7 | RM103--RM494--long arm end | 0.20 | 6 | qPH6-2 | 104.95±1.73 | 9.36 | 4.67E-08 | S8 | RM5371--RM7412-RM103-RM494--long arm end | 2.57 | 6 | qPH6 | 106.20±2.29 | 7.80 | 2.93E-08 | N a | | — | | 穗长 Panicle length (cm) | | 19.02±1.11 | | | S1 | RM2770--RM6378--RM1075 | 1.04 | 2 | qPL2 | 22.70±1.29 | 1.84 | 8.53E-07 | S4 | RM5928--RM6266--RM157 | 1.43 | 3 | qPL3 | 24.60±2.19 | 2.79 | 1.69E-05 | S5 | RM5688--RM1155--RM17078 | 2.95 | 4 | qPL4 | 21.64±1.62 | 1.31 | 0.001 | S7 | RM103--RM494--long arm end | 0.20 | 6 | qPL6 | 26.02±1.92 | 3.50 | 4.63E-08 | N a | | — | | 一次枝梗数 Number of primary branch | | 9.47±0.55 | | | S2 | RM6378--RM1075--RM5699 | 2.58 | 2 | qNPB2 | 12.80±1.60 | 1.67 | 1.57E-05 | S8 | RM5371--RM7412-RM103-RM494--long arm end | 2.57 | 6 | qNPB6 | 10.27±0.96 | 0.40 | 0.02 | N a | | — | | 二次枝梗数 Number of secondary branch | | 16.03±2.54 | | | S1 | RM2770--RM6378--RM1075 | 1.04 | 2 | qNSB2-1 | 18.82±2.75 | 1.40 | 0.03 | S2 | RM6378--RM1075--RM5699 | 2.58 | 2 | qNSB2-2 | 25.78±2.97 | 4.88 | 1.38E-06 | N a | | — | | 粒长 Grain length (mm) | | 7.25±0.13 | | | S4 | RM5928--RM6266--RM157 | 1.43 | 3 | qGL3 | 7.71±0.23 | 0.23 | 0.0002 | S7 | RM103--RM494--long arm end | 0.20 | 6 | qGL 6 | 7.55±0.21 | 0.15 | 0.002 | N a | | — | | 长宽比 Ratio of length to width | | 2.17±0.04 | | | S4 | RM5928--RM6266--RM157 | 1.43 | 3 | qRLW3 | 2.31±0.07 | 0.07 | 0.0003 | S5 | RM5688--RM1155--RM17078 | 2.95 | 4 | qRLW4 | 2.33±0.11 | 0.08 | 0.0007 | S7 | RM103--RM494--long arm end | 0.20 | 6 | qRLW6 | 2.50±0.12 | 0.16 | 9.94E-07 | N a | | — | | 结实率 Seed-setting rate (%) | | 92.73±3.59 | | | S5 | RM5688--RM1155--RM119 | 2.95 | 4 | qSSR4 | 81.24±4.32 | -5.75 | 0.0002 | N a | | — | | 每穗总粒数 Spikelets per panicle | | 91.76±8.36 | | | S5 | RM5688--RM1155--RM17078 | 2.95 | 4 | qSP4 | 104.00±9.37 | 6.12 | 0.006 | S7 | RM103--RM494--long arm end | 0.20 | 6 | qSP6 | 117.6±10.12 | 12.92 | 1.30E-05 | N a | | — | | 千粒重 1000-grain weight (g) | | 24.07±0.53 | | | S4 | RM5928--RM6266--RM157 | 1.43 | 3 | qGWT3 | 27.56±0.47 | 1.75 | 7.11E-10 |
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