CIMMYT小麦种质C615抗叶锈病QTL分析

李玉玲,蒋正宁,胡文静,李东升,程婧晔,裔新,程晓明,吴荣林,程顺和

Mapping QTLs against Leaf Rust in CIMMYT Wheat C615

Yu-Ling LI,Zheng-Ning JIANG,Wen-Jing HU,Dong-Sheng LI,Jing-Ye CHENG,Xin YI,Xiao-Ming CHENG,Rong-Lin WU,Shun-He CHENG

表3 C615/宁麦18 RIL群体中聚合不同稳定QTL家系的抗性效应

Table 3 Resistance of the C615/Ningmai 18 RILs in different QTL-composition genotypes

QTL组成 QTL composition 家系数 Number of lines 最终严重度 Final disease severity (%) 2016 2017 平均 Mean None 14 85.6 a 78.6 a 82.1 a QLr.njau-4DL 19 79.8 a 70.4 a 75.1 a QLr.njau-3BS 10 65.7 b 51.0 b 58.4 b QLr.njau-1BL 11 62.3 bc 50.6 b 56.5 bc QLr.njau-1BL+QLr.njau-4DL 15 50.0 cd 45.0 b 47.5 bc QLr.njau-3BS+QLr.njau-4DL 16 42.2 d 40.0 bc 41.1 cd QLr.njau-1BL+QLr.njau-3BS 18 36.5 d 26.9 c 31.7 d QLr.njau-1BL+QLr.njau-3BS+QLr.njau-4DL 9 21.1 e 11.1 d 16.1 e