Growth Regulators:
Plant growth regulator is an organic compound defined as ( any substance or mixture of substances intended, through
physiological action, to accelerate or retard the rate of growth or maturation, or otherwise alter the behavior of plants or
their produce.Additionally, plant regulators are characterized by their low rates of application and if the chemicals
composition of plant regulator is similar to one of the natural plant hormones this substance organized as stimulator or
inhibitor.