Table 1.

Descriptive statistics for cysteine, methionine and the sulfur amino acid content across two sites (two replicates per site).

Variable	Min	Max	Mean	LSD	Var (G)	Var (E)	Var (G x E)	H2 (%)
g/kg of total protein
Cys	13.8	15.2	14.6	0.3	0.0002***	0.000008NS	0.00010**	49
Met	12.5	13.4	13.0	0.2	0.0001***	0.000014NS	0.00007**	62
Cys + Met	26.3	28.5	27.6	0.5	0.0009***	0.000047NS	0.00040**	57

LSD at the 0.05 probability level. Var(G) = genotypic variance, Var(E) = environmental variance, Var(GxE) = Genotype by environment variance and H² = Broad sense heritability.

NS Not significant at α = 0.05.

**, ***Significant at the 0.01 and 0.001 probability levels, respectively.