Growth of lateral branches is promoted by

Removal of axillary buds

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Auxin application over decapitated apex

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Auxin application over apical bud

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Removal of apical bud

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Solution

The correct option is B Removal of apical bud
Apical dominance is a phenomenon in which central stem is dominant and lateral stems are suppressed. It is due to plant hormones produced in the tip of the axillary bud and shoot. Auxin hormone is responsible for apical dominance. When apical bud is removed, the auxin concentration decreases. It results in the growth of lateral branches.
Thus, the correct answer is 'Removal of apical bud'.

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