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Question
Write the physiological effects of gibberellins.
Short Note
Solution
- Application of gibberellins on plants stimulates extraordinary elongation of the internode. Eg: Com and Pea.
- Treatment of rosette plants with gibberellin induces sudden shoot elongation followed by flowering. This is called bolting.
- Gibberellins promote the production of male flowers in monoecious plants (Cucurbits).
- Gibberellins break the dormancy of potato tubers.
- Gibberellins are efficient than. auxins in inducing the formation of seedless fruit – Parthenocarpic fruits (Development of fruits without fertilization) Eg: Tomato.
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Types of Plant Hormones: Gibberellins
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Chapter 16: Plant and Animal Hormones - Evaluation [Page 241]
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