Response of groundnut (Arachis hypogaea L.) genotypes to combined application of phosphorus and foliar zinc fertilizers in Central Tigray, Ethiopia

Environmental Systems Research

Table 9 Correlation coefficients between the groundnut parameters as affected by genotypes and PZn combined fertilizers

Parameters	DF (%)	LW (cm)	LL (cm)	DM (%)	PN/P	PY (kg/ha)	NS/P	S (%)	SY (kg/ha)	HSW (g)	CP (%)	F (%)
DF (%)	1
LW (cm)	− 0.339	1
LL (cm)	− 0.737**	0.474	1
DM (%)	0.942**	− 0.286	− 0.824**	1
PN/P	− 0.377	0.235	0.801**	− 0.529	1
PY (kg/ha)	− 0.874**	0.175	0.821**	− 0.938**	0.513	1
NS/P	− 0.788**	0.114	0.408	− 0.732**	− 0.101	0.722**	1
S (%)	− 0.33	0.58*	0.674*	− 0.373	0.679*	0.305	− 0.001	1
SY (kg/ha)	− 0.833**	0.371	0.927**	− 0.91**	0.683*	0.936**	0.576*	0.616*	1
HSW(g)	0.013	0.235	0.004	0.158	0.161	− 0.269	− 0.34	− 0.47*	− 0.239	1
CP (%)	− 0.024	0.296	0.445	− 0.243	0.509	0.260	− 0.126	0.216	0.342	− 0.031	1
F (%)	0.112	0.033	0.186	− 0.033	0.252	0.056	− 0.186	− 0.067	0.049	− 0.094	0.542	1

* and ** significant at p < 0.05 and p < 0.01, respectively and numbers with no * are non-significant. DF (%) = days to 50% flowering, LW (cm) = leaf width, LL(cm) = leaf length, DM (%) = days to 50% maturity, PN/P = pod Number/plant, PY (kg/ha) = Pod yield, NS/P = Number of seeds/pod, S% = shelling%, SY(kg/ha) = Seed yield, HSW (g) = 100 seed (g) weight (g),CP = crude protein (%), F (%) = fat (%)