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Table 1 Phenotypic correlation coefficients between six spike layer uniformity related traits based on the averaged trait value among the eight environments

From: QTL for spike-layer uniformity and their influence on yield-related traits in wheat

  LTH PH SL SLU SLN SLT
LTH 1      
PH 0.95** 1     
SL 0.25** 0.34** 1    
SLU −0.22** − 0.46** 0.14 1   
SLN 0.21** 0.46** − 0.16* −0.99** 1  
SLT 0.35** 0.62** 0.55** − 0.74** 0.73** 1
  1. LTH the lowest tillers height, PH plant height, SL spike length, SLU spike-layer uniformity, SLN spike-layer number, SLT spike-layer thickness
  2. **represents that correlation is significant at when P < 0.01 level; * represents that correlation is significant at when P < 0.05 level
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