Growth and Physiological Responses of Maize and Sorghum Genotypes to Salt Stress

Table 3

Ion concentrations of stalks and tillers of four sorghum genotypes (SS304, NK7829, Sordan79, and KS585) irrigated with nutrient or saline solutions for 40 days (replication of 4).

Genotype	Tissue	Treatment	Na^+	Cl^−	Ca^2+	Mg^2+
				(mg g^−1)
SS304	Stalk	Control	0.88	24.61	3.78	6.50
		Salt	0.40	19.87	2.50	4.20
	Tiller	Control	0.33	8.83	2.90	3.98
		Salt	0.83	17.37	2.47	3.80
NJ7829	Stalk	Control	0.28	18.48	3.68	6.13
		Salt	0.58	18.26	2.38	4.00
	Tiller	Control	—	—	—	—
		Salt	2.29	24.30	4.35	4.75
Sordan79	Stalk	Control	1.28	13.02	4.93	7.23
		Salt	2.33	25.87	2.98	4.88
	Tiller	Control	1.65	14.53	4.18	6.05
		Salt	1.53	16.81	2.33	3.03
KS585	Stalk	Control	0.28	21.55	4.03	5.98
		Salt	0.75	22.42	3.63	4.18
	Tiller	Control	0.85	13.62	3.60	4.30
		Salt	1.23	18.91	4.08	3.65
ANOVA summary
Genotype			0.0070	NS	NS	NS
Tissue			NS	0.0022	NS	0.0008
Genotype × tissue			NS	0.0170	NS	NS
Treatment			NS	0.0075	0.0018	<0.0001
Genotype × treatment			NS	NS	NS	NS
Tissue × treatment			NS	NS	NS	NS
Genotype × tissue × treatment			NS	0.0026	NS	NS

NS: non-significant.