Plant growth regulators (PGRs) are organic compounds, other than nutrients, that modify plant physiological processes. PRGs, called biostimulants or bioinhibitors, act inside plant cells to stimulate or inhibit specific enzymes or enzyme systems and help regulate plant me- tabolism.

How do plants use PGR?

Apply once as a spray shortly before or after placing in the forcing house. Rates of Use: Use 250 ml per 10 litres water. To control excessive growth and produce sturdy plants. Rates of Use: Use 12.5 ml per 10 litres water.

What is the difference between plant hormones and plant growth regulators?

Plant hormones are the chemicals which are synthesized by plants naturally during the metabolic processes of plants. … The key difference between plant hormones and plant growth regulators is that plant hormones are natural while plant growth regulators are artificial and are applied to plants by humans.