Figure 6
From: Nitrogen physiology of contrasting genotypes of Chenopodium quinoa Willd. (Amaranthaceae)
Seed-related parameters, nitrogen content and free amino acids pool in Quinoa subjected to different N supplies. (a) Number of seeds per m2, (b) seed N content (%), (c) weight of 1000 seeds and (d) total amino acid contents were determined in each genotype growing at two different N conditions. Bars show mean values ± SE (n = 4). Different letters represent significant differences among genotypes and treatments at P < 0.05 using two-way ANOVA. (d) Radar chart shows relative changes in free amino acids in three genotypes of Quinoa that were calculated as the ratio of LN content to HN content. Changes observed between genotypes were denoted by different colors: Faro (green), UdeC9 (blue) and BO78 (pink). Asterisks/crosses (symbols) indicate significant increase/decrease of the amino acid respectively, when comparing LN/HN treatments per genotype. The lack of symbol indicates non significant differences between N conditions by each genotype.
