Which of the following hormone is concerned chiefly with root iniation?

IBA

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GA3

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ABA

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Kinetin

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Solution

The correct option is A
IBA

Indole-3-butyric acid or IBA, a type of auxin, is a stimulator in plants which promotes root growth. This property of IBA is utilized while taking cutting of plants, to promote fast root development in the cut plantlings.

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