Table 2. Correlation coefficients among five kernel-related traits in the immortalized F₂ population.

Location		KL	KWI	KT	KV	KW
Zhengzhou	KL		−0.02	−0.19	0.13	0.10
	KWI	0.12		0.31**	0.55**	0.61**
	KT	−0.17	0.30**		0.35**	0.47**
	KV	0.13	0.67**	0.41**		0.72**
	KW	0.15	0.64**	0.48**	0.72**
Anyang	KL		0.13	−0.04	0.25*	0.18
	KWI	−0.04		0.30**	0.64**	0.72**
	KT	−0.12	0.27**		0.35**	0.52**
	KV	0.05	0.59**	0.36**		0.72**
	KW	−0.04	0.68**	0.47**	0.79**

Notes: ^** Significant correlation (p≤0.01).

Correlation coefficients for 2009 are above the diagonal, while those for 2010 are below the diagonal.