BMC Plant Biology

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

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

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ISSN: 1471-2229

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