The leaves become narrow and small in chili; the lamina becomes chlorotic in sweetpotato, sour orange seedlings and chickpea, while veins remain green.
Subsequently,dead spots develop all over the leaf including veins, tips and margins under sever deficiency, shoot growth is reduced. Khaira disease in rice results due to zincdeficiency. Shoot elongation is reduced and a tuft or rosette of distinctly narrowleaves is produced at the shoot terminal in apple and pear. The symptoms are termed'little leaf' or 'rosette'.Excess of Zn can cause sever stunting, reddening; poor germination; older leaves
wilt;entire leaf is affected by chlorosis, edges and main vein often retain more color; can
be caused by galvanized metal.