plant hormones

an organic compound synthesized in one part of a plant and translocated to another part

where, in low concentrations, it causes a physiological response

synthetic compounds (organic and/or inorganic); at low concentrations,

promote, inhibit or modify any physiological response

Stimulates cell elongation

• auxin

• cytokinin

• gibberellin

• abscisic acid

• ethylene

Stimulates cell division

• auxin

• cytokinin

• gibberellin

• abscisic acid

• ethylene

stimulates ethylene synthesis and induces

adventitious roots in cuttings

• auxin

• cytokinin

• gibberellin

• abscisic acid

• ethylene

involved in shoot growth and delays leaf senescence

• auxin

• cytokinin

• gibberellin

• abscisic acid

• ethylene

Stimulates cell elongation, bolting and flowering in biennials;

• auxin

• cytokinin

• gibberellin

• abscisic acid

• ethylene

Inhibits growth of lateral buds

• auxin

• cytokinin

• gibberellin

• abscisic acid

• ethylene

Inhibits growth and stimulates stomatal closure

• auxin

• cytokinin

• gibberellin

• abscisic acid

• ethylene

Induces formation of lateral roots and adventitious roots in cuttings

• auxin

• cytokinin

• gibberellin

• abscisic acid

• ethylene