The main functions of auxins are:
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Auxin promotes cell elongation.
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It promotes cell division in vascular cambium.
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It is used as the rooting hormones since it promotes root initiation.
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It causes apical dominance.
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It induces parthenocarpy.
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It induces DNA synthesis and meiosis.
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It prevents abscission of leaves and fruits.
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It causes callus formation.
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It promotes the root formation in stem and leaf cuttings.
