Auxin vs. Gibberellin

Auxinnoun

(botany) A class of plant growth substance (often called phytohormones or plant hormones) which play an essential role in coordination of many growth and behavioral processes in the plant life cycle.

Auxinnoun

a substance which, in small concentrations, promotes root formation, bud growth, or certain other processes such as fruit ripening or leaf drop in plants.

Auxinnoun

a plant hormone that promotes root formation and bud growth

Auxin

Auxins (plural of auxin ) are a class of plant hormones (or plant-growth regulators) with some morphogen-like characteristics. Auxins play a cardinal role in coordination of many growth and behavioral processes in plant life cycles and are essential for plant body development.

Gibberellinnoun

(hormone) Any of a class of diterpene plant growth hormones first isolated from the fungus Gibberella fujikuroi.

Gibberellinnoun

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.

Gibberellinnoun

a plant hormone isolated from a fungus; used in promoting plant growth

Gibberellin

Gibberellins (GAs) are plant hormones that regulate various developmental processes, including stem elongation, germination, dormancy, flowering, flower development, and leaf and fruit senescence. GAs are one of the longest-known classes of plant hormone.