The Commercial Use Of Plant Hormones

... The Commercial Use Of Plant Hormones A phytohormone is a natural plant substance, which controls plant activities. They are synthesised in one place and translocated. They trigger major plant responses; the main five are auxin, ethene, cytokinin, gibberellic acid and abscissic acid. Plant growth regulators, include plant hormones, both natural and synthetic and have many uses in greenhouse production. Auxins were the first plant hormones to be discovered, they stimulate the elongation and growth of cells. They also influence the development of vascular tissue and fruits. Synthetic auxins are used to stimulate root development on stem cuttings for asexual propagation of woody plant species; this means that horticulturists can produce woody plant species quicker for sale. The overall plant growth increases in the presence of auxin, as the auxin promotes stem growth in the region behind the apex. Apical dominance can be achieved as well, this means the plant can be

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