It is the cofactor in enzymatic reactions and, therefore, participates in several biochemical cycles of plants, including photosynthesis and sugar formation, protein synthesis, fertility and seed production, growth regulation.
Deficiency – Young leaves become lanceolate, narrow and small. In the apical region, there is an over-budding of the buds with subsequent loss of dominance.
The tree has no dominant pointer, causing a reduction in height growth. Deformation of new leaves without death of the apical buds and pointers, small and lanceolate leaves and short internodes.