Gibberellin

A plant hormone isolated from a fungus; used in promoting plant growth.A plant substance that promotes meristematic growth at the root and shoot tips, dithering from auxins which inhibit root growth in high concentrations.gibberellin

(Science: protein) plant growth substance (phytohormone) involved in promotion of stem elongation, mobilisation of food reserves in seeds and other processes. Its absence results in the dwarfism of some plant varieties. Chemically all known gibberellins are gibberellic acids.


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