Plant Growth Regulators (PGRs)

Plant Growth Regulators (PGRs)

Plant Growth Regulators Plant Growth Regulators Quiz PGRs Precursors of Plant Growth Regulators (PGRs) 🌱 Auxin - Tryptophan (Zn) 🌱 Gibberellin - Ent-Kaurene (Acetyl Co-enzyme) 🌱 Cytokinin - Adenine (Adenosine Monophosphate - AMP) 🌱 Ethylene - Methionine (Aminocyclopropane-1-carboxylic acid - ACC) 🌱 Abscisic Acid (ABA) - Violaxanthin Auxin 📍 Inhibit root elongation and promote cell division in tissue culture 📍 Cell enlargement 📍 Prevention of lodging 📍 Induce Parthenocarpy 📍 Delay abscission 📍 Promote root initiation 📍 Increase female flower IAA : Prevents premature fruit drop IBA : Root formation NAA : Fruit thinner, prevents fruit drop 2,4-D : Fruit setting hormone, also used as a herbicide Cytokinin 📍 Richmond-Lang effect 📍 Dormancy breaker, stimulate cell division, induce flowering 📍 Delay senescence, increase female flower Gibberellins (kaurene & Acetyl Co-enzyme) 📍 Cell elongation 📍 Increase fruit size 📍 Increase germination 📍 Internodal elongation 📍 Induce parthenocarpy 📍 Delay ripening 📍…

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