Question

Advantages of organogenesis in PTC?

Answer 1

Answer:

The regeneration of plant from cell and cal­lus culture via Organogenesis is a wide field of plant science. So, the importance and applica­tions of organogenesis are vast and varied.

With the discovery of cellular totipotency and the de­velopment of methods for regeneration of plant from in vitro cell culture, a large number of plant species including economically important crop plants, medicinal plants, horticulturally impor­tant plants, timber yielding plants etc. have been successfully regenerated from callus culture via organogenesis and the reports of regenera­tion of other plants are still increasing day by day.

The production of large numbers of haploids from microspores and the possibility of rais­ing triploids from endosperm cell culture are the dramatic instances of the potential role of orga­nogenesis in genetics and plant breeding.

Im­provement of crop plants through manipulation at the cellular level such as the vegetative hy­bridization by the fusion of isolated protoplasts of distantly related plants, the transfer of foreign genetic material in protoplasts etc. is possible only if somatic cells are able to give rise to whole plant; a plant breeder is interested in obtaining modified plants than modified cells.

Regenera­tion of whole plants through organogenesis is of special interest in mutagenic studies. Chemical mutagens and ionizing radiation can be used in bringing about genetic diversity in plants and by means of cell culture and the regeneration of whole plants from somatically mutant cell types, the new strains of mutant plants are obtained through organogenesis.

This method is very use­ful in mutation breeding of both sexually and vegetatively reproducing plants. A new source of genetic variability is also available in plants regenerated from cell culture. This soma clonal variation is a useful source of variability only if plants can be efficiently regenerated from the cell culture via organogenesis.

Answer 2

Answer:

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Explanation:

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