Most visible zinc-deficiency symptoms are short internodes (rosetting) and a decreased leaf size
Zinc-deficient plants exhibit delayed maturity.
Zinc-deficiency symptoms occur mainly in new growth as it is immobile in the plant.
Examples of deficiency symptoms:
o Corn: Chlorotic bands along the midribs
o Beans: Mottled leaves of dry beans
o Rice: Chlorosis
o Cotton: Loss of lower bolls of cotton, and
o Citrus: Narrow, yellow leaves in the new growth of citrus