NaCl Effects on In Vitro Germination and Growth of Some Senegalese Cowpea (Vigna unguiculata (L.) Walp.) Cultivars

Table 4

Mean comparison of shoot and root parts dry weights by Student-Newman-Keuls test at 5%.

Cultivars	NaCl Treatment; (mM)	ADW; (g)	RDW; (g)	DTBW; (g)	RDW/ADW	(ADW/DTBW) ×100	(RDW/DTBW) ×100	Reduction rate; ADW (%)	Reduction rate; RDW (%)
Yacine	0	0.103a	0.092a	0.20a	0.893	52.82	47.17	—	—
Yacine	50	0.11a	0.046b	0.16ab	0.418	70.51	29.48	−19.41	−50.00
Yacine	100	0.06b	0.044b	0.10b	0.733	57.69	42.30	−41.74	−52.17
Yacine	200	0.054b	0.024b	0.08b	0.444	69.23	30.76	−47.57	−73.91
58-191	0	0.097a	0.107a	0.20a	1.103	47.54	52.45	—	—
58-191	50	0.096a	0.108a	0.20a	1.125	47.05	52.94	−1.03	+0.93
58-191	100	0.07b	0.07b	0.14b	1.000	50	50	−27.83	−34.58
58-191	200	0.053c	0.025c	0.078c	0.471	67.94	32.05	−45.36	−76.63

For each cultivar, values in the same column followed by the same letter do not differ significantly between cultivars at 5% level. ADW: aerial part dry weight; RDW: root dry weight; DTBW: Dry total biomass weight.