Plant Growth Regulator (PGR)

• Organic Compound other than nutrients that promote, inhibit or modify or or more specific physiological process within a plant.

Plant regulator — > Synthetic

Plant Hormone —-> Natural in Origin

     Translocated from the site of production to the site of action.

Growth Promoters

a) Auxin

b) Gibberelins

c) Cytokinins

Growth Inhibitors @EAD PNa

a) Ethylene (ripening)

b) Abscisic acid

c) Dormins

d) Prunins

e) Naringenines

Growth retardants @ ACP Mal

a) Maleic hydrazine

b) Phosphon D

c) Cycocel

d) Alar

e) AMO 1618

f) Cultar