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Table 3 Correlation coefficient of the traits investigated

From: Mapping QTLs and association of differentially expressed gene transcripts for multiple agronomic traits under different nitrogen levels in sorghum

  Chl1 Chl2 Chl3 PH AD MC1 MC2 BY GY GS TW
Chl1   0.76*** 0.65*** −0.35*** −0.17* 0.134 −0.065 −0.069 0.066 0.144 −0.065
Chl2 0.77***   0.73*** −0.38*** −0.36*** 0.08 −0.23** −0.18* 0.085 0.30** −0.016
Chl3 0.57*** 0.58***   −0.51*** 0.077 0.22* 0.163 −0.162 −0.016 0.118 −0.24**
PH −0.62*** −0.51*** −0.52***   −0.16 −0.22* −0.40*** 0.54*** 0.39*** 0.022 0.43***
AD −0.26** −0.30** 0.15 0.13   0.34*** 0.76*** 0.003 −0.19* −0.28** −0.47***
MC1 0.28** 0.16 0.38*** −0.40*** 0.19*   0.39*** −0.046 −0.097 0.037 −0.21*
MC2 −0.003 −0.21* 0.27** −0.078 0.51*** 0.38***   −0.04 −0.35*** −0.45*** −0.49***
BY −0.64*** −0.56*** −0.37*** 0.63*** 0.25** −0.24** 0.12   0.75*** 0.033 0.38***
GY −0.56*** −0.36*** −0.35*** 0.50*** 0.142 −0.31** −0.27** 0.73***   0.60*** 0.40***
GS −0.078 0.04 −0.1 0.043 −0.132 −0.151 −0.53*** −0.094 0.52***   0.26**
TW −0.23** 0.02 −0.166 0.20* −0.1 −0.24** −0.21* 0.23** 0.31** 0.064  
  1. The numbers below the diagonal are correlation coefficients under normal N environments and numbers above the is diagonal are correlation coefficients under low N environments. Chlorophyll contents at vegetative stage (Chl1), at anthesis (Chl2), and at maturity (Chl3); PH, plant height (cm); AD, days to anthesis; MC1, % stover moisture content; MC2, % head moisture content; BY, biomass yield (t.ha−1); GY, grain yield (t.ha−1); TW, test weight (g); GS, grain/stover ratio (%). ***P < 0.0001; **P < 0.01; *P < 0.05