gibberellin a3

2 definitions found

gibberellin a3 - Collaborative International Dictionary of English v.0.48 :

  gibberellic acid \gibberellic acid\ n. (Chem.),
     A plant growth hormone of the gibberellin series
     (C19H22O6), also called gibberellin A3. It was first
     isolated from the fungus Gibberella fujikuroi. It is used
     to promote the growth of seedlings. See also gibberellin.
     --MI11
     [PJC]

  gibberellin \gibberellin\ n. (Chem.),
     Any of a number plant growth hormones, the first of which was
     isolated in 1938 from the fungus Gibberella fujikuroi; more
     than 60 related gibberelins are known. The most important is
     gibberellin A3, also called gibberellic acid. They are
     used in agriculture for promoting plant growth.
     [WordNet 1.5 +PJC]