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प्रश्न
Write short notes on:
Cytokinins
टीपा लिहा
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उत्तर
- Cytokinins are plant growth hormones that promote cell division (cytokinesis).
- They are mainly produced in the root tips and are transported to other parts of the plant.
- They stimulate the growth of lateral (side) buds and help overcome apical dominance.
- They delay the ageing (senescence) of leaves by maintaining chlorophyll and proteins.
- They promote shoot development and help in the growth of fruits and seeds.
- In plant tissue culture, cytokinins are widely used to induce shoot formation.
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