水稻粒宽突变体gw87的基因定位及候选基因分析

张翔宇,郭佳,王三,陈聪萍,孙昌辉,邓晓建,王平荣

Gene Mapping and Candidate Gene Analysis of Grain Width Mutant gw87 in Rice

ZHANG XiangYu,GUO Jia,WANG San,CHEN CongPing,SUN ChangHui,DENG XiaoJian,WANG PingRong

表2 gw87与其野生型亲本676R主要农艺性状的比较

Table 2 Comparison of major agronomic traits between gw87 and its wild-type parent 676R

性状Trait 676R (WT) gw87 比WT增减 Compared with CK (%) 株高 Plant height (cm) 118.0±1.9 80.2±1.7 -32.0** 单株有效穗 No. of productive panicles per plant 5.8±0.4 4.9±0.2 -15.5* 主穗穗长 Length of main panicle (cm) 27.5±1.0 18.6±1.2 -32.4** 主穗一次枝梗数 No. of primary branches per main panicle 14.8±0.5 16.7±1.0 12.8* 主穗二次枝梗数 No. of secondary branches per main panicle 42.5±1.1 30.5±1.0 -28.2** 主穗着粒数 Total No. of grains per main panicle 214.6±2.5 216.8±5.1 1.0 结实率Seed setting rate (%) 83.9±0.4 67.3±2.0 -16.6** 千粒重1000-grain weight (g) 37.4±0.2 41.9±0.2 12.0**