Figure 7.

Quantitative relative gene expression of nitrogen and carbon metabolism genes under N limitation conditions in the three genotypes; SRG-100 (black bars); SRG-200 (light gray bars); and SRG-150 (Dark gray Bars). (A–C) expression of the N transporter genes in leaves, stem, and root of the three genotypes. (D,E) Leaves and roots expression of some nitrate and nitrite reductase genes. (F,G) expression of glutamine synthetase genes in the leaves and roots of the three genotypes. (H) expression of the starch and sugar synthetase genes in the leaves of the plants growing under N limitation. Data are means ± SD (n = 3) and are representative of similar results from three independent experiments.