It participates in the activation of several enzymes and in the stability of ribosomes; it is also a component of the chlorophyll pigment. More than 300 enzymes are influenced by magnesium.
Deficiency – The old leaves have yellowish spots, with the veins remaining green. In addition to these spots, other, numerous, brown spots of variable size, shape and contours are formed, and interveinal chlorosis and the appearance of necrotic spots may also occur in the most advanced stage.
