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Table 4 Pearson correlation coefficients for 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

  4 dag 9 dag
PRL
 9 dag 0.629**  
 14 dag 0.570** 0.730**
PSC
 9 dag 0.504**  
 14 dag 0.521** 0.700**
LRN
 9 dag 0.129  
 14 dag 0.028 0.532**
RTN
 9 dag 0.165  
 14 dag 0.071 0.535**
TRL
 9 dag 0.421**  
 14 dag 0.272** 0.623**
RSA
 9 dag 0.481**  
 14 dag 0.318** 0.539**
TRV
 9 dag 0.456**  
 14 dag 0.320** 0.477**
ARD
 9 dag 0.424**  
 14 dag 0.334** 0.337**
  1. The symbol ** indicates that the correlation for the root trait between different time-points is statistically significant at the 0.01 level (P < 0.01)