BMC Plant Biology

Table 3 Pearson correlation coefficients among seedling root traits at each time-point after germination

From: Genetic analysis of seedling root traits reveals the association of root trait with other agronomic traits in maize

	PRL	PSC	LRN	RTN	TRL	RSA	TRV
4 dag
PSC	− 0.150
LRN	0.099	0.236*
RTN	0.054	0.459**	0.971**
TRL	0.629**	0.409**	0.497**	0.554**
RSA	0.609**	0.381**	0.402**	0.460**	0.941**
TRV	0.517**	0.354**	0.262**	0.326**	0.814**	0.942**
ARD	0.112	0.011	−0.156	−0.140	0.122	0.418**	0.618**
9 dag
PSC	−0.182
LRN	0.562**	0.184
RTN	0.536**	0.266**	0.997**
TRL	0.525**	0.428**	0.791**	0.812**
RSA	0.431**	0.401**	0.798**	0.817**	0.884**
TRV	0.306**	0.323**	0.700**	0.714**	0.678**	0.941**
ARD	−0.147	0.037	0.112	0.113	− 0.105	0.353**	0.635**
14 dag
PSC	−0.059
LRN	0.605**	0.236*
RTN	0.593**	0.289**	0.998**
TRL	0.648**	0.340**	0.788**	0.795**
RSA	0.552**	0.381**	0.744**	0.754**	0.888**
TRV	0.429**	0.377**	0.660**	0.671**	0.729**	0.957**
ARD	0.083	0.218*	0.261**	0.270**	0.192	0.603**	0.789**

Correlation coefficients were analyzed among root traits detected on the same day, and values greater than 0.90 are highlighted in italics. The symbol * or ** indicates that the correlation between root traits is statistically significant at the level of 0.05 (P < 0.05) or 0.01 (P < 0.01), respectively

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