What is meant by intiation of roots?

Is it means that the growth of roots is being initiated by a particular hormone, or it helps in enhancement of the growth of radicle system of embryo?

Dear Student.
Please find below the solution to the asked query.

Root initiation: This means that the growth of roots (lateral or adventitious) is initiated by a hormone called auxin.

Growth of radicle is mediated by Gibberellic acid (GA3) and Indole-3-acetic Acid (IAA) mainly.

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