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Auxin and Cytokinin Concentrations

Shoot bud for...

Question

Shoot bud formation in tissue culture is promoted by

A

high auxin : low cytokinin

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B

low auxin : high cytokinin

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C

auxin : sucrose

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D

G A_{3}

: cytokinin

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Solution

The correct option is B low auxin : high cytokinin
The auxins facilitate cell division and root differentiation. The cytokinins induce cell division and shoot development. Hence, low amount of auxin and high amount of cytokinins induce shoot bud formation.

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