THE IMPACT OF SALINITY ON THE NET PHOTOSYNTHETIC PRODUCTIVITY OF COTTON VARIETIES UNDER THE CONDITIONS OF THE BUKHARO REGION

Abstract

Adequate water supply is essential for maintaining leaf cell turgor and ensuring normal photosynthetic activity. Under adverse environmental conditions, especially soil salinity, photosynthetic processes, plant growth, development, yield formation, and crop quality are negatively affected. Therefore, net photosynthetic productivity (NPP) is an important physiological indicator for evaluating cotton productivity under saline conditions.

References

1. Zahra N., Al Hinai M.S., Hafeez M.B., Rehman A., Wahid A., Siddique K.H.M., Farooq M. Regulation of photosynthesis under salt stress and associated tolerance mechanisms. Plant Physiol. Biochem. 2022, 178, 55–69.
2. Bejaoui F., Salas J.J., Nouairi I., Smaoui A., Abdelly C., Martinezforce E., Youssef N.B. Changes in chloroplast lipid contents and chloroplast ultrastructure in Sulla carnosa and Sulla coronaria leaves under salt stress. J. Plant Physiol. 2016, 198, 32–38.
3. Duarte B., Sleimi N., Caçador, I. Biophysical and biochemical constraints imposed by salt stress: Learning from halophytes. Front. Plant Sci. 2014, 5, 746.
4. Liu C.Y., Zhao X.Q., Yan J.X., Yuan Z.H., Gu M.M. Effects of salt stress on growth, photosynthesis, and mineral nutrients of 18 pomegranate (Punica granatum) cultivars. Agronomy 2020, 10, 27.
5. Lu X., Ma L., Zhang C.C., Yan H.K., Bao J.Y., Gong M.S., Wang W.H., Li S., Ma S.Y., Chen B.H. Grapevine (Vitis vinifera) responses to salt stress and alkali stress: Transcriptional and metabolic profiling. BMC Plant Biol. 2022, 22, 1–22.
6. Meloni D.A., Oliva M.A., Martinez C.A., Cambraia J. Photosynthesis and activity of superoxide dismutase, peroxidase and glutathione reductase in cotton under salt stress. Environ. Exp. Bot. 2003, 49, 69–76.
7. Boopal J., Sathee L., Ramasamy R., Pandey R., Chinnusamy V. Influence of Incremental Short Term Salt Stress at the Seedling Stage on Root Plasticity, Shoot Thermal Profile and Ion Homeostasis in Contrasting Wheat Genotypes. Agriculture 2023, 13, 1–20.