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

Table 5

Mean comparison of chlorophyll a, b, and total chlorophyll contents by the method of Student-Newman-Keuls at 5%.

Cultivars	NaCl treatments (mM)	Chlorophyll a; (mg · g^−1 FM)	Chlorophyll b; (mg · g^−1 FM)	Total Chlorophyll; (mg · g^−1 FM)	Chl a/Chl b	Homogeneous; groups
Yacine	0	1.45a	1.07a	2.52a	1.35a	A
Yacine	50	0.75b	1.02a	1.77b	0.74b	B
Yacine	100	0.52c	1.04a	1.56c	0.50c	C
Yacine	200	0.43c	0.92a	1.35d	0.47c	C
58-191	0	1.56a	1.04a	2.30a	1.50a	A
58-191	50	0.75b	0.96a	2.47a	0.78b	B
58-191	100	1.44ab	0.93a	2.37a	1.55ab	B
58-191	200	0.67b	0.94a	1.61b	0.71b	B

For each cultivar, values in the same column followed by the same letter do not differ significantly between cultivars at the level of 5%.