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Explain the physiological effects of ABA...

Explain the physiological effects of ABA.

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(i) ABA stands for Abscissic Acid.
(ii) ABA promotes the process of seperation of leaves, flowers, and fruits(abscission).
(iii) During water stress and drought conditions, ABA causes stomatol closure.
(iv) ABA promotes senescence in leaves by causing loss of chlorophyll.
(v) ABA induces bud dormancy towards the approach of winter in tress like binch.
(vi) ABA is a powerful inhibitor of lateral bud growth in tomato.
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