Deficiency appears on the middle of the plant.  Interveinal chlorosis of leaves.  Reduced growth leaf symptoms appear very late leaves show a yellowish green background with a fine network of green veins on the upper surface and disappearing after a few weeks mature leaves thicker and blunted. Specks of light grey to grayish brown colour appear under mid deficiency.

Foliar application of MnSO4 0.2% at fortnightly intervals.