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प्रश्न
How polyembryony can be commercially exploited?
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उत्तर
- Polyembryony increases the chances of survival of the new plants.
- Genetically uniform parental type seedlings are obtained from nucellar embryos, thus nucellar adventive polyembryony is of great significance in horticulture.
- Plantlets obtained from these embryos are disease-free.
- These embryos can be isolated and grown on embryo culture to produce clones.
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संबंधित प्रश्न
State what is apomixis. Comment on its significance. How can it be commercially used?
State what is apomixis. Write its significance. How can it be commercially used?
The ______ collect the pollen grains.
Fill in the blank:
The ________contains the egg or ovum.
Fill in the blank:
________takes place when one male gamete and the egg fuse together. The fertilized egg grows into a seed from which the new plants can grow.
Fill in the blank:
________is the transfer of pollen grains from the anther of the flower to the stigma of the same or a different flower
Fill in the blanks:
The ______ are coloured to attract the insects that carry the pollen. Some flowers also produce ______ or ______ that attracts insects.
The polyembryony commonly occurs in ______.
The plant part which consists of two generations, one within the other-
- Pollen grains inside the anther.
- Germinated pollen grain with two male gametes.
- Seed inside the fruit.
- Embryo sac inside the ovule
Choose the correct option.
Give reason: Nucellar polyembryony is significant in horticulture.
