Investigation of the Seed Germination Parameters and Morphology of Cotton Under Modeled Salt Stress Conditions
Year: 2024
Type: article
Abstract: Soil salinization is a serious adverse environmental stress that severely limits the growth and development of plants and affects crop yields. The creation of salt-tolerant crop varieties using classical and molecular genetics methods, as well as the study, identification and understanding of the mechanisms of salt tolerance, open up wide-ranging opportunities in attempts to control this trait in plants. The article presents the results of the study of the germination parameters of cotton seeds and the morphology of the vegetative organs of the plants under modeled salt stress. The research subjects were varieties and lines of medium-fiber cotton of classical genetics and biotechnological gene knockout varieties of the Porlock series. The analysis of the results of the seed germination parameters: germination, mean germination time, germination index showed that the biotechnological gene knockout variety Porlock-4 was the most resistant to salinization (NaCl concentration 50, 100, 150 and 200 mM) and the line of classical selection Coker-312 was the least resistant. The investigations of the morphological parameters showed that an increase in the NaCl concentration up to 100 mM leads to a slowdown in root and shoot growth and an increase in biomass in both genotypes. However, the negative effect of NaCl was less pronounced in the biotechnological variety Porlock-4 than in the salt-sensitive line Coker-312.
Source: Нива Поволжья
Authors: V.S. KAMBUROVA, I.B. SALAKHUTDINOV, D.K. BAZAROV, SH.KH. MAMATKULOVA, O.L. ISOMIDDINOVA, E.A. LATYPOVA
Language: English
Subfield: Plant Science
Domain: Life Sciences
SDG: Zero hunger
Open Access status: diamond
OpenAlex ID: W4407978131