Which plant hormone prevents pre-mature fruit | vedclass

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(D) Auxins are a class of plant hormones that play a crucial role in regulating plant growth and development.One of the primary physiological effects

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Auxin

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(D) Auxins are a class of plant hormones that play a crucial role in regulating plant growth and development.One of the primary physiological effects of auxins,such as $NAA$ (Naphthalene Acetic Acid) and $IBA$ (Indole$-3-$Butyric Acid),is the prevention of premature abscission of leaves,flowers,and fruits.In commercial horticulture,synthetic auxins are sprayed on fruit trees like apple,pear,and orange to prevent the premature drop of fruits,thereby increasing the yield.Therefore,the correct option is $D$.

Which plant hormone prevents pre-mature fruit drop in apple,pear and orange?

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$A$: If a plant is kept horizontally,auxin accumulates on the lower surface.
$R$: Displacement of statoliths and other cell organelles to the lower surface modifies the translocation pattern of auxin.

Abscission of fruits is prevented by

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