Which of the following breaks the dormancy of potato tubes?

IAA

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ABA

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Zeatin

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Gibberellin

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Solution

The correct option is D Gibberellin
Dormancy of seeds could be broken by the activation of digestive enzymes like alpha amylases. It is being done by phytohormones like gibberellic acid. It also helps in cell elongation, division of lateral meristem and many more.

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