Write the principle characteristics of PGR.

1.	Write the principle characteristics of PGR.
Answer» Characteristics of Plant Growth Regulators (PGRs): (i) PGRs are small, simple molecules of diverse chemical structure occurring in plants. (ii) They are indole compounds (indole-3- acetic acid, IAA) adenine derivatives N⁶ - furfurylamino purine, kinetin, the derivatives of carotenoids and the fatty acids (abscisic acid, ABA); terpenes (gibberellic acid, GA₃) or gases (ethylene, C₂H₄).

Answer»

Characteristics of Plant Growth Regulators (PGRs):

(i) PGRs are small, simple molecules of diverse chemical structure occurring in plants.

(ii) They are indole compounds (indole-3- acetic acid, IAA) adenine derivatives N⁶ - furfurylamino purine, kinetin, the derivatives of carotenoids and the fatty acids (abscisic acid, ABA); terpenes (gibberellic acid, GA₃) or gases (ethylene, C₂H₄).

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Write the principle characteristics of PGR.

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