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Rate of radial O2 loss (ROL) along adventitious roots of rice (‘Amaroo’) after transition to treatment solutions: aerated at 1.6 μm P (open circles) and 200 μm P (open squares); stagnant at 1·6 μm P (closed circles) and 200 μm P (closed squares). Rates of ROL were measured from one 101–127-mm adventitious root of each of four 28-d-old plants in each treatment, with the treatments imposed for 1 (A), 2 (B), 4 (C) or 8 (D) d. Bars represent standard errors of four replicates.
