A Second Gibberellin-like Substance in Immature Barley Seed

摘要: IN an earlier paper it was shown that gibberellic acid occurs in the immature seed of barley, and mentioned a second gibberellin-like substance found extracts1. This eluted from charcoal : celite column with 90 per cent aqueous acetone. When chromatogrammed on using n-butanol–1.5 N ammonia (3 1) or benzene–glacial acetic acid–water (4 2 had same RF as gibberellins A4 A7.