Inheritance of Early Maturity in Some Cowpea (Vigna unguiculata (L.) Walp.) Genotypes under Rain Fed Conditions in Northern Ghana

Table 4

Correlation among maturity indices, yield, and yield components.

	DFI	DFF	DFPM	DNPM	H@F	H@M	CW	P_PLT	S_DP	HSWT	G_YD
DFI	1
DFF	0.974	1
DFPM	0.834	0.813	1
DNM	0.916	0.894	0.820	1
H@F	0.611	0.651	0.761	0.614	1
H@M	0.685	0.735	0.787	0.696	0.85128	1
CW	−0.39	−0.418	−0.612	−0.326NS	−0.691	−0.706	1
P_PLT	−0.66	−0.642	−0.422	−0.645	−0.305NS	−0.303NS	−0.019	1
S_PD	−0.314NS	−0.334NS	−0.505	−0.464	−0.486	−0.545	0.319NS	0.158NS	1
HSWT	0.613	0.648	0.836	0.653	0.848	0.803	−0.786	−0.271NS	−0.582NS	1
G_YD	0.307NS	0.361	0.446	0.263NS	0.394	0.571	−0.801	0.059	−0.240NS	0.609	1

, , and , NS: not significant (), DFFI = days to first flower initiation, DFF = days to 50% flowering, DFPM = days to first pod maturity, DNPM = days to 90% pod maturity, H@F = plant height at flowering, H@M = plant height at maturity, CW = canopy width, P_PLT = pod per plant, S_PD = seed per pod, HSWT = hundred-seed weight (g), and GYD/Ha = grain yield (tons per hectare).