The role of calcium in increasing the salinity tolerance of crops
Salinity stress affects plant growth by disrupting ion balance, reducing water potential and ion toxicity. Increasing calcium ions to a level of 10 mM in the plant growth medium reduces the destructive effects of salinity stress to some extent. Changes in calcium concentration in the two dimensions of nutrition and regulation have significant effects on various aspects of growth, photosynthesis, metabolism, water absorption and transport, and many of these reactions can be directly affected by the interaction ca ++ 2 and Na ++ 2 is at the membrane level of plasma and calcium signaling process. In this article, based on the effect of calcium supplements on plant response to salinity, cellular and molecular aspects of calcium function in plants are discussed. On this basis, and with emphasis on ion message transmission and homeostasis systems in a functional model for the whole plant, it is expected that biotechnology strategies to increase plant tolerance and improve crop yield in saline conditions can be presented.
Source: World of Agriculture No. 40