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8 9311和NIL-qLRL4的根系性状和活性

Table 8 Root traits and vitality of 9311 and NIL-qLRL4

品种/品系 Variety/Line 最长根长 Longest root length (cm) 总根系长 Total root length (cm) 根表面积 Root surface area (cm2) 根体积 Root volume (cm3) 根直径 Root diameter (mm) 总吸收面积 Total absorbing area (m2) 比表面积 Specific surface area (cm2 cm-3) 9311 17.3 ± 0.4 331.38 ± 30.07 34.23 ± 3.93 0.36 ± 0.05 0.32 ± 0.01 0.636 ± 0.032 4243.3 ± 210.2 NIL-qLRL4 14.6 ± 0.1** 340.40 ± 19.91 34.44 ± 3.15 0.36 ± 0.04 0.35 ± 0.02 0.535 ± 0.023** 3566.9 ± 150.3**