水稻胚乳突变体cse-2的表型分析及基因定位

孙家猛, 高原, 陈虎, 花芹, 林泉祥, 陈庆全, 李金才, 张海涛

Phenotypic Analysis and Gene Mapping of Rice Mutant Chalkiness and Shrunken Endosperm-2

Sun Jiameng, Gao Yuan, Chen Hu, Hua Qin, Lin Quanxiang, Chen Qingquan, Li Jincai, Zhang Haitao

表1 野生型（ZH11）与突变体（cse-2）农艺性状比较

Table 1 Comparison of agronomic traits between wild type (ZH11) and mutant (cse-2)

农艺性状Agronomic trait ZH11 cse-2 株高Plant height (cm) 104.05±0.56 94.55±1.18** 主茎穗长Main panicle length (cm) 23.80±0.46 21.22±0.51** 第1节间长 The first internode length (cm) 42.20±0.66 40.21±0.75 第2节间长 The second internode length (cm) 19.16±0.64 18.57±0.40 第3节间长 The third internode length (cm) 13.68±0.56 10.55±0.56** 第4节间长 The fourth internode length (cm) 7.35±0.14 5.24±0.17** 有效分蘖数Effective tiller number 20.75±2.47 24.85±2.56 一次枝梗数Primary branch number 13.88±0.40 13.83±1.01 二次枝梗数Secondary branch number 44.00±1.40 35.50±1.76** 穗粒数Grain number per panicle 221.85±6.84 191.90±6.11** 结实率Seed-setting rate (%) 89.84±0.13 80.58±0.19** 粒长Grain length (mm) 7.68±0.06 7.67±0.09 粒宽Grain width (mm) 3.51±0.01 3.49±0.02 粒厚Grain thickness (mm) 2.35±0.03 2.04±0.02** 千粒重1000-kernel weight (g) 25.63±0.40 19.16±0.17**