Ans. The traditional breeding techniques failed to keep the balance with increasing demand and to provide accurate, fast and efficient system for the crop improvement.
To overcome this difficulty another technology called tissue culture got developed. By the application of tissue culture, it is possible to achieve the propagation of a large number of plants
in a very short duration and this can enhance the food production.
To increase the food production, the application of plant tissue culture is another important method to get the recovery of healthy plants from diseased plants. Some other important applications and achievements of plant tissue
culture are as follows:----
(1) Micropropagation: -- It is the technique devised to produce a large quantity of large and healthy plantlets
by rapid vegetative propagation. This propagation has successfully been achieved for a number of economically important plants like orchids, bananas, potato, chrysanthamums etc.
(ii) Production of disease-free plants :--
The plant pathogens are transmitted in vegetatively propagated plants. The healthy shoot tips of infected plants, if grown in culture can produce healthy plants. This multiple shootlet production technology is used to produce disease free healthy plants of different crops.
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