Personal development is the same with the self-improvement consist of activities that develop a person’s capabilities and potential, can increase human capability and enhance quality of life and facilitate the realization of dreams and aspirations. Personal development may take time to develop people’s mind and their mental health. Because, they should strength their mental health by encountering various challenges in life and also it may take place over the course of an individual’s entire lifespan ans is not limited to one stage of a person’s life.
As of 2022-2023, Uzbekistan will take eighth place after China, India, USA, Brazil, Australia, Turkey, and Pakistan in terms of cotton production. The selection method based on markers is one of the new and developing methods in cotton-growing countries, which allows to reduce the selection period and create varieties with high purity, and China and the USA are the leaders in this regard. In this list, the Republic of Uzbekistan ranks fifth after Pakistan and India. In this article, the importance and necessity of using the MAS method in the field of breeding, the scientists who conducted research in this field and the results of their research are briefly explained.