Copper

Deficiency Symptoms :

Reduction in growth, curling of leaf upwards and inwards with severe scorching. Poor root development. Overall grey-green colour followed by chlorosis of lower leaves. Chlorotic leaves subsequently became bronzed and later brown with development of necrosis at the margins and blackening of veins. Margin and tips of leaves witled while in the case of older leaves, there was a stiff rolling up of margins. Leaves were found to be blue-green in colour. Leaf number, leaf size reduced.

Foliar spray of 0.5% CuSO₄ twice at fortnightly interval.