Naphthaleneacetic Acid (NAA)
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Synthetic auxin used to promote root initiation and callus formation in tissue culture.
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Encourages adventitious root development while maintaining balanced shoot growth when combined with cytokinins.
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Compared to IBA, may induce faster callus formation but can result in less uniform roots.
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Commonly applied in micropropagation, organogenesis, and rooting protocols.



