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How many types of Plant Growth Regulators(PGR)?

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How many types of Plant Growth Regulators(PGR)?

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Type of Plant Growth Regulators :

(i) Growth Promoters : Involved in growth promoting activities like-cell division, cell enlargement etc.

  • Auxins
  • Gibberellins
  • Cytokinins

(ii) Growth inhibitors : Involved in growth inhibiting activities like-dormancy, abscission etc.

  • Ethylene 
  • AbscissicAcid (ABA)

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