Practice question
Question
Hormone responsible for growth of the root in micropropagation is:
Explanation
In plant tissue culture, cytokinin to auxin ratio determines organogenesis. High auxin promotes root initiation by inducing dedifferentiation, activating root meristem genes, stimulating pericycle divisions and lateral root primordia formation. Auxins like NAA, IBA are routinely used for rooting microshoots.
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