Which hormone induces senescence in plants?

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Question

(A) Abscisic acid $(ABA)$ is known as a stress hormone and a growth inhibitor in plants.It plays a crucial role in promoting the process of senescence

Vedclass · Accepted Answer

$ABA$

Vedclass · Answer

(A) Abscisic acid $(ABA)$ is known as a stress hormone and a growth inhibitor in plants.It plays a crucial role in promoting the process of senescence (aging) in leaves and other plant organs.$ABA$ also promotes abscission of leaves,flowers,and fruits,and induces seed dormancy.Therefore,$ABA$ is the hormone responsible for inducing senescence.

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