Explain the process of tissue culture in simple way
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Answers
Explanation:
Tissue culture is a process that involves exposing plant tissue to a specific regimen of nutrients, hormones, and light under sterile, in vitro conditions to produce many new plants, each a clone of the original mother plant, over a very short period of time.
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Answer:
Plant tissue culture is an in-vitro culture of plant cells, tissues or organs which will form a complete plant.
Plant tissue culture works on the basis of totipotency. It is the ability of a plant cell to form the complete plant through dedifferentiation and redifferentiation.
It involves following steps:
1. Selection of plant- The plant which has to be cultured in vitro is selected.
2. Isolation of explant- Explant is any part of plant excised out for tissue culture.
3. Sterilization of explant- Explant is surface sterilized so as to avoid contamination.
4. Inoculation of explant- The explant is inoculated on the nutrient medium. For plant tissue culture, the most common medium used is MS media.
5. Incubation: After inoculation, the cultures are incubated so as to provide proper conditions for their growth and regeneration like temperature, moisture etc.
6. Initiation of callus: Callus is a mass of undifferentiated cells formed by the dedifferentiation of plant cells or the explant. Callus further regenerates to form roots and shoots and eventually the complete plant.
7. Sub-culturing: The cultured cells or tissues are transferred regularly to new nutrient medium and this is called subculturing.
8. Regeneration: Regeneration is the formation of organized structures like roots, shoots, flower buds etc from the cultured cells
9. Hardening: The plantlets are removed from the cultures and prepared for soil transfer and this transfer to fields is known as hardening.