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Fig. 1. Changes in the activity of pyruvate decarboxylase (nmol mg–1 protein min–1) in apical root sections of submergence‐tolerant and intolerant lines of rice seedlings before submergence (BS), and after 5 (5DS) and 10 d (10DS) of submergence. Insert shows changes in the concentrations of total soluble proteins. Vertical bars represent s.e. Treatments started at the three‐leaf stage.
