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प्रश्न
Answer each question in ‘One’ sentence only:
Define stock and scion.
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उत्तर
The cut stem of a plant having roots (and fixed in soil) is called stock and the cut stem of another plant (without roots) is called scion.
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संबंधित प्रश्न
What is plant breeding?
How has the mutation breeding helped in improving crop varieties? Give one example where this technique has helped.
What is emasculation?
State one characteristic of millets that has been improved as a result of hybrid breeding so as to produce high yielding millet crops.
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The science of changing and improving the heredity of plants is called ______
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The scientific process by which crop plants are enriched with certain desirable nutrients is called ______.
What is emasculation? Why and when is it done?
Define the term ‘stress’ for plants. Discuss briefly the two types of stress encountered by plants.
