How does aba act antagonistically to auxin and gibberelin?
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The antagonism between abscisic acid (ABA) and gibberellin (GA) plays a key role in controlling seed germination,1,2 but the mechanism of antagonism during this process is not known. ... Seed germination is a complicated process, which is controlled by many plant hormones.
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Dear student,
Abscisic acid acts antagonistically to auxin and gibberellins as -
Auxin and gibberellins initiate the shoot apical and root apical system in a plant and help in a plant to grow whereas, abscisic acid is responsible for retention of seed into a dormant state, inhibits the growth of a plant, hence antagonistic to auxin and gibberellins.
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