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Regression analyses of cellulose and Klason lignin concentrations in stems of two alfalfa genotypes. The stems of genotype 708 were consistently higher in cellulose and lower in Klason lignin compared to stems of genotype 773 across twelve environmental indexes (field environments). The high r2 values for all regression lines suggest that genotypic differences in stem cellulose and Klason lignin concentrations were environmentally stable.
