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प्रश्न
Write the physiological effects of Cytokinins.
संक्षेप में उत्तर
उत्तर
- Cytokinin promotes cell division in the presence of auxin (IAA).
- Induces cell enlargement associated with IAA and gibberellins
- Cytokinin can break the dormancy of certain light-sensitive seeds like tobacco and induces seed germination.
- Cytokinin promotes the growth of lateral bud in the presence of apical bud.
- Application of cytokinin delays the process of aging by nutrient mobilization. It is known as the Richmond Lang effect.
- Cytokinin:
- increases rate protein synthesis
- induces the formation of inter-fascicular cambium
- overcomes apical dominance
- induces the formation of new leaves, chloroplast and lateral shoots.
- Plants accumulate solutes very actively with the help of cytokinins.
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Plant Growth Regulators
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
______ is a powerful growth inhibitor.
Select the correctly matched one.
| A) Human urine | i) Auxin –B |
| B) Corn gram oil | ii) GA3 |
| C) Fungus | iii) Abscisic acid II |
| D) Herring fish sperm | iv) Kinitin |
| E) Unripe maize grains | v) Auxin A |
| F) Young cotton bolls | vi) Zeatin |
In unisexual plants, sex can be changed by the application of ____________.
What are the parameters used to measure growth of plants?
Substances which originate at the tip of the stem and control growth elsewhere are ______.
The plant hormone used to destroy weeds in a field is ______
