水稻包穗突变体sui2的遗传分析和基因精细定位

孙琦, 赵志超, 张瑾晖, 张锋, 程治军, 邹德堂

Genetic analysis and fine mapping of a sheathed panicle mutant sui2 in rice (Oryza sativa L.)

Qi SUN, Zhi-Chao ZHAO, Jin-Hui ZHANG, Feng ZHANG, Zhi-Jun CHENG, De-Tang ZOU

表3 野生型Kitaake和突变体sui2农艺性状比较

Table 3 Comparison of agronomic traits between wild type Kitaake and mutant sui2

农艺性状Agronomic trait Kitaake sui2 P 株高Plant height (cm) 63.73±2.55 43.08±3.79 *P < 0.05 分蘖数Tiller number 14.40±2.01 25.00±3.43 **P < 0.01 每穗粒数Number of spikelets per panicle 42.75±8.70 27.10±3.41 **P < 0.01 千粒重1000-grain weight (g) 4.415±0.02 4.852±0.06 **P < 0.01 结实率Seed setting rate (%) 0.969±0.05 0.837±0.08 **P < 0.01 粒长Seed length (mm) 7.06±0.33 8.10±0.22 **P < 0.01 粒宽Seed weight (mm) 3.26±0.10 3.47±0.12 **P < 0.01 粒厚Seed thickness (mm) 2.20±0.07 2.14±0.07 **P < 0.01 剑叶宽Flag leaf length (cm) 1.10±0.08 0.90±0.08 **P < 0.01 倒一节间长Length of the uppermost internode (cm) 29.61±3.27 14.68±2.57 **P < 0.01