what is the function of phytohormones
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Answer:
Plant hormones are known as phytohormones in botanical terms. They are chemicals just like animal hormones that help in the growth, development, and functioning of plants. Like animals, plants too are living organisms that function as a unit. They carry out vital biochemical reactions that are required to survive.
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Plant Hormones or phytohormones are plant growth regulators. They are only required in small amounts but it is necessary for the functioning of plants.
There are several plant hormones namely Auxins, Cytokinins, Gibberellins, Abscisic Acid, Ethylene.
Auxins : It helps in cell enlargement, apical dominance.
Cytokinins : It promotes cell division, apical dominance, delay in aging, phloem transport, accumulation of salts, female flowers production.
Gibberellins : This promotes the fruit size, inter-nodal elongation and seed germination
Abscisic Acid : It helps in the abscission of leaves and helps in reducing transpiration, inhibiting cambium activity and icreasing the bud dormancy in seed during winter
Ethylene : It inhibits stem elongation, promotes fruit ripening, increases the girth of the stem, reduces the speed of senescence and abscission of leaves. Applications include artificial ripening of fruits and sprouting of storage organs.
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