In this article we will discuss about the role of auxins and cytokinins in culture medium. Effective, speedy growth and desirable morphogenesis in tissue culture requires the presence of both auxins and cytokinins in culture medium. The relative concentration of auxins and cytokinins are often essential to bring about some kind of morphogenesis. Axillary shoot proliferation in some species may [...]
In this article we will discuss about:- 1. Discovery and Definition of Somaclonal Variation 2. Techniques to Generate Somaclonal Variations 3. Selection and Isolation 4. Screening 5. Applications. Discovery and Definition of Somaclonal Variation: Improvement of plants through alterations or additions of traits are some of the main objectives in plant biotechnology. Plant breeders have recognized the potential sources of [...]
This article provides a case study on transgenic rice for stress tolerance. Production of agronomically useful transgenic rice has been given top priority in the improvement of crop plants. The loss of rice yield due to stress impact is estimated to cost at least several billion dollars a year. Genetic engineering offers effective way to deal with these problems. Moreover, [...]