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प्रश्न
Explain micropropagation and somatic hybridization.
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उत्तर
Micropropagation:
It is a type of tissue culture technique by which large number of plants propagules are produced.
In this technique, shoot apical meristem is used as explants. Using the proper proportion of
growth hormones and tissue culture techniques many shoot apices can be produced.
These shoot apices are called Micropropagules. These are genetically identical and from
them, individual plants can be obtained. eg : Potato, banana and orchids. [11/2]
Somatic hybridization:
The protoplast from two different plants can be made to fuse by using fusogenic agent as
polyethylene glycol (PEG). From the resultant combined protoplast by tissue culture, a new
plant variety can be produced.
e.g. Pomato = Potato + Tomato
Raphanobrassica = Raphanus + Brassica
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संबंधित प्रश्न
Write the two limitations of traditional breeding technique that led to the promotion of micropropagation.
Why are xylem and phloem classified as complex tissues?
Describe the tissue culture technique in plants.
How can healthy potato plants be obtained from a desired potato variety which is viral infected? Explain.
Define the term tissue.
Attempt any TWO of the following:
Enlist the applications of tissue culture.
In plant tissue culture auxin is used for ____________.
Identify labels P, Q, R in the given figure of root showing different regions.
The term ‘totipotency’ refers to the capacity of a ______.
What are the advantages of tissue culture methods over conventional method of plant breeding in crop improvement programmes?
