define the concept of tissue culture standard 12
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TISSUE CULTURE
The method of growing a plant cell, tissue or an organ in an artificial nutrient medium under aseptic conditions provided with controlled conditions of light and temperature.
Whole plant can be generated from an explant.
Explant is any part of plant like cell, tissue or organ grown in a test tube containing artificial nutrient medium under sterile condition.
Totipotencyis the capacity of a plant cell to multiply and regenerate into a new plant.
The nutrient medium provides a carbon source such as sucrose, inorganic salts vitamins, amino acids and growth regulators like auxin, gibberellins and cytokinins.
The cells of explant start dividing in the medium and gives undifferentiated mass of tissue called
The callus later gives rose to embryoids called somatic embryoids which generate into new plants...
The method of production of thousands of plants through tissue culture is called micro propagation.
Plants grown by micro propagation are genetically identical called soma clones, because they are produced by somatic cells.
Importance of tissue culture-
Large number of plants from small or single cell can be produced in short duration.
Many important plants like tomato, appleand banana have been developed by tissue culture.
Production of disease free varieties through meristem culture...
hope it helps uh♡
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