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Explain synergistic & Antagonistic effec...

Explain synergistic & Antagonistic effect of plant hormones.

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Synergistic and Antagonistic effects
i. Synergistic effects: The effect of one or more substance in such a way that both promote each others activity. Example: Activity of auxin and gibberellins or cytokinins.
ii. Antagonistic effects: The effect of two substances in such a way that they have opposite effects on the same process. One accelerates and other inhibits. Example: ABA and gibberellins during seed or bud dormancy. ABA induces dormancy and gibberellins break it.
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