水稻协优9308重组自交系群体白叶枯病抗性的全基因组关联分析

赵海涵, 练旺民, 占小登, 徐海明, 张迎信, 程式华, 楼向阳, 曹立勇, 洪永波

Genetic dissection of the bacterial blight disease resistance in super hybrid rice RILs using genome-wide association study

ZHAO Hai-Han, LIAN Wang-Min, ZHAN Xiao-Deng, XU Hai-Ming, ZHANG Ying-Xin, CHENG Shi-Hua, LOU Xiang-Yang, CAO Li-Yong, HONG Yong-Bo

表1 139个重组自交系及双亲接种4个生理菌株后的病斑长度统计特征数

Table 1 Phenotype of 139 RILs and two parents inoculated with four different Xoo strains

Xoo菌株 Xoo strain	年份/区域 Year/location	协青早B病斑长度(P1) Lesion length of XB (P1) (cm)	中恢9308病斑长度(P2) Lesion length of R9308 (P2) (cm)	亲本差异(P1-P2)的显著性P值 Significant P-value of parental difference (P1-P2)	重组自交系 Recombinant inbred line		变异系数 CV (%)
Xoo菌株 Xoo strain	年份/区域 Year/location	协青早B病斑长度(P1) Lesion length of XB (P1) (cm)	中恢9308病斑长度(P2) Lesion length of R9308 (P2) (cm)		均值±标准差 Mean ± SD (cm)	变化范围 Range (cm)	变异系数 CV (%)
PXO96	2019/Hangzhou	21.6	5.4	<0.001^**	13.7±7.0	0.2-37.7	51.9
CR4	2019/Hangzhou	21.6	5.3	<0.001^**	7.7±4.2	0.2-20.3	54.5
PXO61	2020/Hangzhou	19.4	0.2	0.002^**	1.2±2.4	0-19.4	203.0
PXO99	2020/Hangzhou	10.4	0.8	<0.001^**	5.6±3.6	0.1-21.8	64.2