Fig. 3. Effect of ureide application (400 mL of 5 mM allantoic acid solution at day 0) on the leaf ureide concentration of 4-wk-old Biloxi and Jackson soybean plants grown hydroponically with 0 or 6.6 µM Mn (Exp. 2). Values are means of four replicates per Mn x ureide treatment and bars on each point are standard errors of the mean.

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