which hormone delay leaf senescence a)auxin b)gibberellin c)cytokinin d)IAA
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Answer:
Cytokinin
Explanation:
Cytokinins are known to delay senescence in leaf tissues, promote mitosis, and stimulate differentiation of the meristem in shoots and roots. Many effects on plant development are under the influence of cytokinins, either in conjunction with auxin or another hormone.
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b Cytokinin
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