PGI, PGR & Ethylene || Lecture - 16 || Control & Coordination || Chapter - 6 || Class - 10th
Автор: Concept Magnet
Загружено: 2025-12-17
Просмотров: 9
Описание:
Topics covered in this lecture:
• What are Plant Growth Regulators (PGR)?
• Classification of PGR
– Plant Growth Promoters
– Plant Growth Inhibitors (PGI)
• Plant Growth Inhibitors (PGI):
– Abscisic Acid (ABA)
– Functions: dormancy, stress tolerance, stomatal closure
• Ethylene:
– Gaseous plant hormone
– Role in fruit ripening
– Senescence and abscission
– Triple response in seedlings
• Differences between growth promoters and inhibitors
• Practical examples (ripening of fruits, leaf fall)
• Importance of ethylene in agriculture
• Key differences: Ethylene vs other plant hormones
• High-yield exam points for CBSE & NEET foundation
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