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Effect of 8 h anaerobic (0 % O2) and micro-aerobic treatment (0.05–0.3 % O2) in the dark, on the appearance time (in hours) of acetaldehyde (A) and ethanol (B) in batches of three 14-d-old FR13A (black bars) and CT6241 (grey bars) rice seedlings. All values are means with standard errors of 4–5 individual experiments. Means for each cultivar at each O2 concentration that show different superscript letters are significantly different at P < 0.05 (Student's t-test).
