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Effects of different concentrations of DADS on tomato seed germination and seedling growth. Germination index and germination rate were measured 7 d after DADS treatment, N = 4; hypocotyl length, fresh weight of aerial part, root length, and root fresh weight were measured 14 d after DADS treatment, N = 40 (LSD test). Bars with different letters are significantly different at the 0.05 level.
