Cell wall formation. Germination and elongation of the pollen tube.
It participates in metabolism and regulates the transport of sugars across membranes, and also plays a key role in cell division, cell development, and auxin metabolism.
Deficiency – Growth buds die, plants appear creeping, having shorter internodes. The leaves thicken and roll up, the leaf tissue darkens and collapses. Brown necrotic spots appear on tubers, and internal rust spots are formed.
