It acts in the development of the root system and aerial part of the plant, formation of the wood and graining of the fruits, also influencing the synthesis and storage of energy.
Deficiency – Starts with the older leaves, which change color at the tip and in the middle, starting with a yellowish tinge and evolving to purplish brown.
Inverted V-shaped necrosis is quite characteristic. There may also be less plant growth and poorly developed roots.
