152份向日葵重组自交系苗期抗旱性的鉴定与评价

周子超, 侯建华, 甄子龙, 石慧敏

Drought-Resistance Identification and Evaluation of 152 Sunflower Recombinant Inbred Lines (RILs) at Seedling Stage

Zichao Zhou, Jianhua Hou, Zilong Zhen, Huimin Shi

表3 苗期各指标抗旱系数相关性分析

Table 3 Correlation analysis of drought-resistance coefficients of all indicators at seedling stage

指标 Indicator	电导率 Electrical conductivity	根表面积 Root surface area	根冠比 Root-shoot ratio	根长 Root length	根体积 Root volume	SPAD值 SPAD value	叶面积 Leaf area	叶片相对含水量 Relative water content of leaves
根表面积Root surface area	-0.258^**
根冠比Root-shoot ratio	-0.180^*	-0.198^*
根长Root length	-0.197^*	-0.185^*	-0.235^**
根体积Root volume	-0.186^*	-0.194^*	-0.120	0.239^**
SPAD值SPAD value	-0.245^**	-0.323^**	-0.272^**	0.268^**	-0.072
叶面积Leaf area	-0.180^*	-0.178^*	-0.230^**	0.008	-0.419^**	-0.295^**
叶片相对含水量Relative water content of leaves	-0.237^**	-0.240^**	-0.323^**	0.291^**	-0.376^**	-0.343^**	0.244^**
株高Plant height	-0.038	-0.249^**	-0.159^*	0.258^**	-0.320^**	-0.283^**	0.296^**	-0.048