基于高密度遗传图谱定位水稻籽粒大小相关性状QTL

张健,杨靖,王豪,李冬秀,杨瑰丽,黄翠红,周丹华,郭涛,陈志强,王慧

QTL Mapping for Grain Size Related Traits Based on a High-Density Map in Rice

Jian ZHANG,Jing YANG,Hao WANG,DongXiu LI,GuiLi YANG,CuiHong HUANG,DanHua ZHOU,Tao GUO,ZhiQiang CHEN,Hui WANG

表4 不同季别下检测到的水稻籽粒相关性状QTL定位结果

Table 4 QTLs for grain size-related traits of recombinant inbred lines under two seasons

性状 Trait 季别 Season QTL 染色体 Chr. 位置 Position (cM) 标记区间 Marker interval LOD 贡献率 PVE (%) 加性效应 Add. 粒长 GL 2017E qGL1 1 81 Block391— Block433 2.70 4.13 0.89 qGL2-1 2 112 Block3789— Block3802 6.57 10.37 1.38 2017L qGL2-2 2 135 Block3934—Block3940 96.99 11.07 10.47 qGL2-3 2 139 Block3954— Block3957 86.71 8.87 -9.38 qGL9 9 151 Block15927— Block15938 3.45 0.16 -1.26 粒宽 GW 2017E qGW3-2 3 204 Block6009—Block6012 3.92 6.50 0.32 2017L qGW3-1 3 36 Block5332— Block5419 2.94 5.29 0.35 谷粒截面积 AS 2017E qAS2-2 2 112 Block3789— Block3802 6.57 11.36 40.48 qAS3 3 34 Block5273— Block5280 2.86 4.87 26.75 2017L qAS2-1 2 111 Block3794— Block3802 4.00 7.08 47.52 谷粒周长 PL 2017E qPL1 1 81 Block391—Block433 3.33 4.50 2.08 qPL2-2 2 112 Block3789— Block3802 8.08 11.38 3.27 2017L qPL2-1 2 111 Block3794— Block3802 4.07 6.67 3.30 qPL9 9 137 Block15834— Block15856 3.22 5.25 -2.93 长宽比 GLWR 2017E qGLWR3 3 203 Block6004— Block6012 2.53 4.22 -0.05 2017L qGLWR7 7 164 Block12538— Block12681 2.85 4.81 0.06 谷粒圆度 CS 2017L qCS7 7 164 Block12538—Block12681 2.69 4.58 -0.01 粒厚 GT 2017E qGT3-1 3 37 Block5421- Block5424 3.06 4.69 0.01 qGT3-2 3 216 Block6268— Block6282 4.68 7.27 0.01 qGT4-2 4 135 Block7726— Block7769 3.16 4.88 0.01 qGT7 7 166 Block12689— Block12716 4.16 6.42 -0.01 2017L qGT3-1 3 37 Block5421— Block5424 8.59 14.41 0.02 qGT4-1 4 13 Block6302—Block6677 3.23 5.21 0.01 千粒重 TGW 2017E qTGW2-2 2 133 Block3892— Block3931 4.35 6.75 0.50 2017L qTGW2-1 2 128 Block3805— Block3823 5.72 9.92 0.62 qTGW4 4 33 Block6738— Block6765 2.73 4.62 0.42