Which of the following plant hormones prevent | vedclass

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Question

(B) Auxins,such as $NAA$ (Naphthalene Acetic Acid),are synthetic plant hormones that are widely used in agriculture to prevent the premature abscissio

Vedclass · Accepted Answer

$NAA$

Vedclass · Answer

(B) Auxins,such as $NAA$ (Naphthalene Acetic Acid),are synthetic plant hormones that are widely used in agriculture to prevent the premature abscission (falling) of fruits and leaves. $NAA$ helps in retaining fruits on the plant by inhibiting the formation of the abscission layer at the pedicel. In contrast,Ethylene promotes abscission,while $GA_3$ (Gibberellic acid) and Zeatin (a type of cytokinin) have different primary roles in growth and cell division.

Which of the following plant hormones prevents the premature falling of fruits?

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