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

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

Genetic analysis of seedling root traits and fine mapping of the QTL qLRL4 for the longest root length in rice

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

表3 9311和NPB的根系性状

Table 3 Root traits of 9311 and NPB

重复 Repeat 品种 Variety 最长根长 LRL (cm) 总根系长 TRL (cm) 根表面积 RSA (cm2) 根体积 RV (cm3) 根直径 RD (mm) I 9311 17.3 ± 0.4** 331.38 ± 30.07** 34.23 ± 3.93** 0.36 ± 0.05** 0.32 ± 0.01** NPB 15.9 ± 0.8 253.08 ± 36.76 27.33 ± 1.65 0.20 ± 0.06 0.25 ± 0.03 II 9311 17.9 ± 0.5** 360.36 ± 31.64** 34.46 ± 0.99** 0.37 ± 0.01** 0.33 ± 0.01** NPB 15.6 ± 0.6 277.22 ± 28.44 24.44 ± 2.27 0.21 ± 0.02 0.26 ± 0.01