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Table 3 Coefficients of correlation for relative expression of the selected genes and the relative SPAD values

From: Expression profiling of genes involved in drought stress and leaf senescence in juvenile barley

   A1 Dhn1 GAD3 NADP_ME P5CS2 Contig7437 GSII hv_36467 LHC1b20 pHvNF-Y5α AVP1 ETFQO SAPK9 TRIUR3
  Rel. SPAD 0.09 0.02 −0.10 0.01 0 −0.16* 0.24** −0.13 0.19* 0.34*** 0.16* 0.09 −0.15 0.15*
Drought stress genes A1   0.68*** 0.68*** 0.44*** 0.76*** 0.38*** 0.15 0.10 −0.16 −0.12 0.14 0.18* 0.37** −0.11
Dhn1    0.73*** 0.35** 0.72*** 0.64*** 0.08 0.26** −0.17* −0.11 0.12 0.15 0.30* −0.18*
GAD3     0.43*** 0.84*** 0.65*** 0 0.17* −0.31*** −0.28*** 0.09 0.20* 0.34** −0.34***
NADP_ME      0.49*** 0.15 0.29* 0.15 −0.01 0.10 0.27* 0.24* 0.22 0.25*
P5CS2       0.50*** 0.17* 0.13 −0.19* −0.09 0.10 0.18* 0.40** −0.18*
Leaf senescence genes Contig7437        −0.17* 0.45*** −0.24** −0.35*** 0.18* 0.16* 0.21 −0.25**
GSII         0.09 0.55*** 0.64*** 0.47*** 0.53*** 0.18 0.44***
hv_36467          0.19* −0.09 0.15 0.30*** 0.03 0.01
LHC1b20           0.49*** 0.38*** 0.39*** 0.10 0.39*
pHvNF-Y5α            0.42*** 0.28*** −0.26* 0.41***
Genes out of GWASa AVP1             0.46*** 0.22 0.54***
ETFQO              0.17* 0.35*
SAPK9               0.06
  1. r is significant with *p <0.05, **p <0.01 and ***p <0.001
  2. aGenes coding for proteins identified by BlastX of significant marker sequences out of a previous genome wide association study (GWAS) by Wehner et al. [20]