In the selection of cotton, a wide variability of agronomically valuable traits and the development of new forms can be achieved by using various hybridization methods. The hybridization process, however implemented, leads to the decoding of heredity,allowing the formation of new flexible genotypes that have the ability to change and adapt to new growing conditions. Hybridization and selection are the main synthetic methods to develop new varieties, and success in this task depends largely on the choice of the method of crossing and the original forms of the genotypes. Therefore, the genetic variability of agronomic traits of crop plants must be increased, by involving genetic resistance to various stress factors, diseases and insects of original forms as well as wild relatives.
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