The substance that triggers the fall of matur | vedclass

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(D) Abscisic acid $(ABA)$ is a plant hormone that acts as a growth inhibitor. It is primarily responsible for the abscission of leaves,flowers,and fru

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abscisic acid

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(D) Abscisic acid $(ABA)$ is a plant hormone that acts as a growth inhibitor. It is primarily responsible for the abscission of leaves,flowers,and fruits,which is the process of shedding these parts from the plant. It promotes the formation of an abscission layer at the base of the petiole or fruit stalk,leading to their detachment. Therefore,the correct option is $D$.

The substance that triggers the fall of mature leaves and fruits from plants is due to

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