Question

What are phytohormones?

Answer 1

Plant hormones are called as phytohormones. These are the organic substances which are produced in the plants .They bring about total control over growth and other physiological functions in the organism.  These hormones are otherwise called as growth regulators. Different growth regulators present in the plant are Auxins, Gibberillins, Cytokinins, Ethylene and Abscisic acid

Answer 2

They are used to regulate the growth of cultivated plants, weeds, and in vitro-grown plants and plant cells; these manmade compounds are called plant growth regulators or PGRs for short. Early in the study of plant hormones, "phytohormone" was the commonly used term, but its use is less widely applied now.