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Abscisic acid (ABA)

Some Functions of Abscisic acid :

⇒ Transpiration - It helps in closing of stomata by causing potassium ions to leave the guard cells during periods of water shortage or drought.

⇒ It plays an important role in seed development, maturation and dormancy.

⇒ It induces synthesis of carotenoids in green oranges making them yellow.

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