TABLE 3.

Correlation coefficients of various traits with yield traits in plants under heat stress environment.

	Outdoor environment 2017–2018		Outdoor environment 2018–2019		Growth chamber
	Number of pods plant–1	Seedyield plant–1	Number of pods plant–1	Seedyield plant–1	Number of pods plant–1	Seedyield plant–1
Electrolyte leakage (%)	–0.77**	–0.79**	–0.77**	–0.77**	–0.79**	–0.77**
Chlorophyll	0.73**	0.73**	0.76**	0.77**	0.96**	0.86**
Photosynthetic efficiency (Fv/Fm)	0.68**	0.65**	0.74**	0.73*	0.97**	0.85**
Stomatal conductance	0.58**	0.61**	0.62**	0.67**	0.92**	0.83**
Malondialdehyde	–0.72**	–0.73**	–0.74**	0.75**	–0.85**	–0.73**
Pollen viability (%)	0.77**	0.72**	0.73**	0.67**	0.98**	0.84**
Pollen germination (%)	0.71**	0.68**	0.72**	0.67**	0.97**	0.84**
Pod set (%)	0.74**	0.77**	0.78**	0.80**	0.98**	0.81**
Number of pods plant–1	1	0.84**	1	0.85**	1	0.87**
Single seed weight	0.46**	0.77**	0.50**	0.72**	–0.42**	–0.47**
Biological mass	0.80**	0.72**	0.70**	0.37*	0.80**	0.73**
Harvest index	0.56**	0.75**	0.82**	0.91**	0.81**	0.98**

*Significance at 5% and ** Significance at 1%.