Dormancy of seeds is broken by ethylene,where | vedclass

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(A) Seed dormancy is a state in which seeds are prevented from germinating even under environmental conditions normally favourable for germination. Ab

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Abscisic acid

Vedclass · Answer

(A) Seed dormancy is a state in which seeds are prevented from germinating even under environmental conditions normally favourable for germination. Abscisic acid $(ABA)$ acts as a general plant growth inhibitor and plays a crucial role in seed development,maturation,and dormancy. It promotes seed dormancy and inhibits germination,thereby helping the seed survive unfavourable conditions. In contrast,hormones like ethylene and gibberellic acid are known to break seed dormancy and promote germination.

Dormancy of seeds is broken by ethylene,whereas it is induced by:

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