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Fig. 4 | BMC Plant Biology

Fig. 4

From: Arabidopsis seedlings respond differentially to nutrient efficacy of three rock meals by regulating root architecture and endogenous auxin homeostasis

Fig. 4

Effect of addition of N element to growth media on auxin biosynthesis of 2-week-old Arabidopsis seedlings. a Endogenous auxin level of Arabidopsis seedlings; b Distribution of auxin in root tips as shown in DR5::GUS lines; c The effect of N on the expression of genes involved in auxin biosynthesis as quantified by qRT-PCR. Data are expressed as mean (n = 3) ± SD. * and ** denote p < 0.05 and p < 0.01, respectively

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