What is salinity stress in plants? How it impacts the soil
Around the world, soil salinization hinders crop growth and yield due to its environmental effects. The effects of salinity stress in plants range from physiological to biochemical. Reduced water potential in the soil solution, ionic disequilibrium, specific ion effects, and a rise in reactive oxygen species (ROS) are all consequences of its presence. Phytohormones, osmoprotectants, antioxidants, polyamines, and trace elements have all been investigated in recent years to minimize damages caused by salinity stress. There is evidence that selenium (Se), one of the protective substances, can improve plant growth and increase tolerance to excessive soil salinity. There is, however, still a need for more in-depth studies of the mechanisms of Se-induced salinity tolerance. Reviewing the knowledge involved in Se-mediated improvements of plant growth after exposure to salinity, this review offers future perspectives as well as some limitations on future research in this field.