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Table 2 Phenotypic correlation coefficients between spike layer uniformity related traits and yield related traits in the 188 KJ-RILs among the nine environments

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

  PH LTH SLN SLT SLU
TKW 0.52** 0.53** 0.31** 0.17* −0.31**
KNPS − 0.06 − 0.09 −0.12 0.10 0.11
SNPP −0.13 −0.18* 0.04 0.07 −0.04
YPP 0.28** 0.21** 0.21** 0.30** − 0.23**
  1. LTH the lowest tillers height, PH plant height, SL spike length, SLU spike-layer uniformity, SLN spike-layer number, SLT spike-layer thickness, TKW thousand-kernel weight, KNPS kernel number per spike, SNPP spike number per plant, YPP yield per plant
  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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