Question

what is phytohormones? and what is it's work in plant

Answer 1

the hormones present in the plants are called phytohormones. they coordinate the activities of the plant usually by controlling one or the other aspect of the growth of the plant.so plant hormones are also called as growth substances.
major plant hormones and their action

auxins : cell elongation and differentiation of shoots and roots

cytokinins : promote cell division, sprouting of lateral buds, opening of stomato

gibberellins : germination of seeds, elongation of stem ,development of seedless seeds.

abscisic acid : closing of stomato, seed dormancy promoting aging of leaves

ethylene : ripening of fruit


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