The importance of boron (B): essential for metabolism, important for germination, it acts in the process of cell division and helps in the transport of carbohydrates and participates in the formation of grains.
The symptoms of boron deficiency (B) are manifested in the form of elongated and transparent bands evolving to white coloration and later necrosis.
Plant tissues are deformed, especially in younger leaves, and their growth is reduced, somewhat reminiscent of calcium (Ca) deficiency.