. 2018 May 24;9:677. doi: 10.3389/fpls.2018.00677

Table 6.

Pearson correlation coefficients among grain zinc concentration (ZnC), total daily absorbed Zn (TAZ), spike number (SN), kernel number per spike (KNPS), 1,000 kernel weight (1,000 KW), grain yield (Y), Zn yield (ZnY), carbon concentration (CC), protein concentration (PC), C/N, phytate-P concentration (PA-P), total P concentration (TP), PA-P/TP, calcium concentration (CaC), and molar ratios of PA/Zn and PA × Ca/Zn in different wheat genotypes (n = 144).

Parameters	TAZ	SN	KNPS	1000 KW	Y	ZnY	CC	PC	C/N	PA-P	TP	PA-P/TP	CaC	PA/Zn	PA × Ca/Zn
ZnC	0.633^***	−0.249^**	ns	0.171^*	−0.179^*	0.729^***	ns	0.242^**	−0.315^***	ns	ns	ns	ns	−0.634^***	−0.478^***
TAZ	-	ns	ns	−0.231^**	ns	0.498^***	ns	ns	ns	−0.680^***	−0.247^**	−0.415^***	−0.351^***	−0.929^***	−0.867^***
SN	-	-	−0.233^**	−0.628^***	0.579^***	0.213^**	0.177^*	ns	0.212^*	−0.339^***	−0.318^***	ns	−0.386^***	ns	−0.207^*
KNPS	-	-	-	0.266^***	ns	ns	ns	−0.212^*	ns	ns	ns	ns	0.166^*	ns	ns
1,000 KW	-	-	-	-	ns	ns	−0.199^*	ns	ns	0.443^***	0.367^***	ns	0.454^***	0.216^**	0.339^***
Y	-	-	-	-	-	0.530^***	ns	ns	0.237^**	ns	ns	ns	ns	ns	ns
ZnY	-	-	-	-	-	-	ns	ns	ns	ns	ns	ns	ns	−0.508^***	−0.378^***
CC	-	-	-	-	-	-	-	ns	ns	−0.193^*	ns	ns	ns	ns	ns
PC	-	-	-	-	-	-	-	-	−0.621^***	ns	ns	ns	ns	ns	ns
C/N	-	-	-	-	-	-	-	-	-	−0.269^***	ns	ns	−0.303^***	ns	ns
PA-P	-	-	-	-	-	-	-	-	-	-	0.372^***	0.599^***	0.513^***	0.694^***	0.762^***
TP	-	-	-	-	-	-	-	-	-	-	-	−0.511^***	0.297^***	0.303^***	0.360^***
PA-P/TP	-	-	-	-	-	-	-	-	-	-	-	-	0.210^*	0.379^***	0.389^***
CaC	-	-	-	-	-	-	-	-	-	-	-	-	-	0.327^***	0.636^***
PA/Zn	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0.932^***
PA × Ca/Zn	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

“-” indicates no this value,

^{“*”, “**”, and “***”}

indicate significant correlations at P ≤ 0.05, P ≤ 0.01, and P ≤ 0.001, respectively.