Metal | Symptoms |
Cd | Leaves with brown margins, chlorosis, petioles and reddish veins. Winding of leaves. Brown and short roots. |
Co | Iron chlorosis induced in young leaves, whitish tips and margins. Damaged root tips. |
Cr | Chlorosis in younger leaves. Poorly developed roots. |
Cu | Leaves initially dark green, then chlorosis into watery patches that dry out and may turn almost black. Defoliation. Poorly developed roots. Poor tillering in cereals. |
Fe | Dark green leaves. Reduction in shoot and root growth. Leaves can be tan (rice) to reddish. |
Mn | Brown or black punctuations on leaves, chlorosis and wrinkling of older leaves. Drying of tips and edges. Poorly developed roots. |
Mo | Yellowing or brown color of the leaves. Less tillering of cereals and poorly developed roots. |
Ni | Internerval chlorosis of younger leaves or grey-green color. Brown and short roots. |
Pb | Dark green leaves, withering of older leaves. Underdeveloped (and brown) aerial parts and roots. |
Zn | Chlorosis and tanning of younger leaves. Growth delay. Roots similar to barbed wire. |