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Table 2 Correlation coefficients between different traits

From: Using QTL mapping to investigate the relationships between abiotic stress tolerance (drought and salinity) and agronomic and physiological traits

  DT RWC PC-D ST PC-S Na + content EE
RWC 0.73       
PC-D −0.01 −0.13      
ST −0.47 −0.35 0.01     
PC-S −0.07 −0.10 0.15 0.37    
Na+ content −0.45 −0.31 0.25 0.10 −0.27   
EE −0.63 −0.51 −0.31 0.33 −0.10 0.51  
AL −0.36 −0.43 0.52 0.39 0.21 0.07 −0.02
  1. Significance level: r0.05 = 0.23; r0.01 = 0.30.
  2. DT: drought tolerance; ST: salinity tolerance; RWC: relative water content; PC-D: proline content under drought tolerance; PC-S: proline content under salinity tolerance; EE: ear emergency; AL: awn length.