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A, Sections of germinating seeds 0, 2, 4, and 7 d after imbibition. B, Percentage germination of Scots pine seeds. C, Levels of free IAA (●) and ester-linked (○) and amide-linked (▵) conjugates of IAA in Scots pine seeds 0 to 10 d after imbibition. Vertical bars represent sd. FW, Fresh weight.
