Roles of plant hormones
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Last updated 3:02 PM on 12/22/25
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4 Terms
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Roles of auxin
Control cell elongation; prevent leaf abscission; maintain apical dominance; gravitropism; phototropism; stimulate ethene release; involved in fruit ripening.
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Roles of gibberellin
Stem elongation; trigger mobilisation of food stores in a seed at germination
3
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Roles of ethene
Causes fruit ripening; promotes abscission in deciduous trees.
4
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Roles of ABA (abscisic acid)
Maintains dormancy of seeds and buds; stimulates cold protective responses (antifreeze production); stimulates stomatal closing.
Note 
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