what is phytohormone? Name the four plant hormones
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.