A phytohormone Auxin is synthesized in the meristematic tissue of the plant shoot and root.
What do you mean by Meristematic tissues?
Meristematic tissues may be defined as cells of plants that are competent for dividing indefinitely and giving rise to similar cells or to cells that differentiate to produce the definitive tissues and organs.
Auxin promotes stem elongation. It is synthesized in the area of shoot and root apical meristem that initiates the development of leaves and roots respectively.
Therefore, a phytohormone Auxin is synthesized in the meristematic tissue of the plant shoot and root.
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