Its main function is as an enzyme activator, such as kinases and synthetases. Also a fundamental physiological function to plants, which would be the opening and closing of stomata.
It has a decisive influence on the formation of tuberous roots and on the flavor, which is the nutrient used in greater quantity by the culture. It is necessary for the translocation of sugars, synthesis of starch and, therefore, for obtaining high yields of tubers of good quality.
Deficiency – Deficient plants are small and compact; the foliage has a wilted appearance because the leaves arch down; under conditions of severe deficiency, the margins and apices of older leaves initially become yellowish, brown in color, and later become necrotic.
