Question

the main function of abscisic acid in plants​

Answer 1

Answer:

Abscisic acid (ABA) is a plant hormone which functions mainly as a growth inhibitor.

Abscisic acid promotes the dormancy in seeds and buds [ this is the opposite of breaking the dormancy].

It also promotes closing of stomata.

Abscisic acid promotes falling of leaves.

Answer 2

Answer:

Abscisic acid owes its names to its role in the abscission of plant leaves. In preparation for winter, ABA is produced in terminal buds. This slows plant growth and directs leaf primordia to develop scales to protect the dormant buds during the cold season.

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