小麦单位面积穗数和粒长主效QTL紧密连锁KASP标记的开发及其效应评价

范涛,李治,蒋庆,陈姝霖,欧霞,陈永艳,任天恒

Development and Effect Evaluation of KASP Markers Closely Linked to Major QTLs of Spike Number Per Unit Area and Grain Length in Wheat

FAN Tao,LI Zhi,JIANG Qing,CHEN ShuLin,OU Xia,CHEN YongYan,REN TianHeng

表4 基于KASP分子标记验证QSn.sau-2D.2和QKl.sau-3D.2对产量相关性状的影响

Table 4 The effects of QSn.sau-2D.2 and QKl.sau-3D.2 on yield-related traits based on KASP molecular marker

QTL 基因型 Genotype 株高 Plant height (cm) 千粒重 1000 kernel weight (g) 粒长 Kernel length (mm) 粒宽 Kernel width (mm) 粒径比 Kernel diameter ratio 单位面积穗数 Spike numbers per unit area/m2 每穗粒重 Kernel weight per spike (g) QSn.sau-2D.2 A 78.85*** 45.77*** 6.89*** 3.45*** 1.99*** 290.67*** 2.26*** B 88.47 49.58 7.30 3.50 2.09 234.49 2.62 QKl.sau-3D.2 A 80.25 45.89 6.90 3.46 1.99 281.48 2.29 B 88.26*** 49.95*** 7.34*** 3.50*** 2.10*** 235.13*** 2.62***