Screening of Soybean Genotypes for Waterlogging Stress Tolerance and Understanding the Physiological Mechanisms

Table 2

Correlation matrix of different parameters activities observed in different soybean genotypes under waterlogging stress condition.

Variables	Plant height	No. of leaves	No. of branches	Fresh weight	Dry weight	SPAD value	Relative water content	Electrolyte leakage	Leaf area	Pod plant^−1	Seeds pod^−1	100-seed weight	Seed yield
Plant height	1	0.219^ns	0.355	0.574	0.379	0.467	0.296	−0.203^ns	−0.046^ns	0.394	0.417	0.332	0.319
No. of leaves		1	0.426	0.359	0.179 ^ns	0.280	0.278	−0.300	0.486	0.321	0.103^ns	0.348	0.309
No. of branches			1	0.621	0.311	0.426	0.589	−0.542	−0.060^ns	0.859	0.547	0.725	0.785
Fresh weight				1	0.691	0.634	0.652	−0.687	0.168^ns	0.616	0.632	0.748	0.707
Dry weight					1	0.688	0.403	−0.550	0.148^ns	0.305	0.538	0.445	0.354
SPAD value						1	0.483	−0.394	0.027^ns	0.360	0.477	0.518	0.445
Relative water content							1	−0.324	0.142 ^ns	0.508	0.249	0.544	0.679
Electrolyte leakage								1	−0.056 ^ns	−0.633	−0.534	−0.726	−0.632
Leaf area									1	−0.156^ns	0.012 ^ns	0.205 ^ns	0.151 ^ns
Pod plant^−1										1	0.590	0.710	0.720
Seeds pod^−1											1	0.625	0.543
100-seed weight												1	0.878
Seed yield													1

Here, significant at ; ns = nonsignificant.