Fig. 5From: Exogenous trehalose improves growth under limiting nitrogen through upregulation of nitrogen metabolismThe contents of Gln (a), Glu (c) and activities of GS (b), GOGAT (d) in the youngest fully expanded leaf after different treatment for 0, 2, 7, 14 and 21 days. Values represent the mean ± SE of 5 individual plants. Within each set of experiments, the different letters indicate significant differences (P < 0.05)Back to article page