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. 2021 Sep 7;16(9):e0256978. doi: 10.1371/journal.pone.0256978

Table 6. Spearman’s rank correlation among surface of an individual plant, estimated plant height, actual plant height, stem diameter, number of nodes, EXG, EXGR, EXR, GLI, NDI, and VARI in kenaf germplasm at two growth stages.

		Eph	Sd	Nn	EXG	EXGR	EXR	GLI	NDI	VARI
Sur ^a	Set1^b	0.23 NS ^c	0.66 ^***	0.08 NS	0.50 ^***	0.50 ^***	-0.47 ^***	0.50 ^***	0.47 ^***	0.43 ^***
	Set2	0.73 ^***	0.79 ^***	0.56 ^***	0.76 ^***	0.76 ^***	-0.73 ^***	0.76 ^***	0.75 ^***	0.71 ^***
Eph	Set1	1.00	0.54 ^***	-0.07 NS	0.24 NS	0.27 ^*	-0.28 ^*	0.25 NS	0.27 ^*	0.25 NS
	Set2	1.00	0.61 ^***	0.63 ^***	0.76 ^***	0.76 ^***	-0.74 ^***	0.76 ^***	0.75 ^***	0.73 ^***
Sd	Set1	0.54 ^***	1.00	0.32 ^*	0.37 ^**	0.41 ^**	-0.44 ^***	0.38 ^**	0.44 ^***	0.43 ^***
	Set2	0.61 ^***	1.00	0.69 ^***	0.60 ^***	0.61 ^***	-0.61 ^***	0.60 ^***	0.61 ^***	0.61 ^***
Nn	Set1	-0.07 NS	0.32 ^*	1.00	-0.11 NS	-0.07 NS	0.01 NS	-0.11 NS	-0.01 NS	0.04 NS
	Set2	0.63 ^***	0.69 ^***	1.00	0.49 ^***	0.50 ^***	-0.52 ^***	0.48 ^***	0.51 ^***	0.53 ^***
EXG	Set1	0.24 NS	0.37 ^**	-0.11 NS	1.00	0.97 ^***	-0.87 ^***	1.00 ^***	0.86 ^***	0.77 ^***
	Set2	0.76 ^***	0.60 ^***	0.49 ^***	1.00	0.99 ^***	-0.96 ^***	1.00 ^***	0.98 ^***	0.89 ^***
EXGR	Set1	0.27 ^*	0.41 ^**	-0.07 NS	0.97 ^***	1.00	-0.96 ^***	0.97 ^***	0.95 ^***	0.88 ^***
	Set2	0.76 ^***	0.61 ^***	0.50 ^***	0.99 ^***	1.00	-0.99 ^***	0.99 ^***	1.00 ^***	0.94 ^***
EXR	Set1	-0.28 ^*	-0.44 ^***	0.01 NS	-0.87 ^***	-0.96 ^***	1.00	-0.87 ^***	-1.00 ^***	-0.98 ^***
	Set2	-0.74 ^***	-0.61 ^***	-0.52 ^***	-0.96 ^***	-0.99 ^***	1.00	-0.96 ^***	-0.99 ^***	-0.98 ^***
GLI	Set1	0.25 NS	0.38 ^**	-0.11 NS	1.00 ^***	0.97 ^***	-0.87 ^***	1.00	0.86 ^***	0.77 ^***
	Set2	0.76 ^***	0.60 ^***	0.48 ^***	1.00 ^***	0.99 ^***	-0.96 ^***	1.00	0.98 ^***	0.89 ^***
NDI	Set1	0.27 ^*	0.44 ^***	-0.01 NS	0.86 ^***	0.95 ^***	-1.00 ^***	0.86 ^***	1.00	0.98 ^***
	Set2	0.75 ^***	0.61 ^***	0.51 ^***	0.98 ^***	1.00 ^***	-0.99 ^***	0.98 ^***	1.00	0.96 ^***

^a Surface of individual plant = Sur, estimated plant height = Eph, stem diameter = Sd, and number of nodes = Nn.

^b Set 1 and Set 2 measured June 14 and August 31.

^c NS, nonsignificant at p ≤ 0.05

*Significant at the 0.05

**Significant at the 0.01

*** Significant at the 0.001 probability level.