Choose the correct answer from the alternatives given.

Dormancy in seeds and buds can be broken by application of which of the following plant hormones?

Auxin

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Cytokinin

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Ethylene

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Gibberellic acid

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Solution

The correct option is D Gibberellic acid
Effect of inhibitory substances can be removed by subjecting the seeds to chilling conditions or by application of certain chemicals like gibberellic acid and nitrates. This helps in breaking seed dormancy.
So, the correct option is 'gibberellic acid'.

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Similar questions

Which of the following growth regulators break dormancy in seeds and buds?

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