Magnesium deficiency symptoms show green banding around the margin and next to the midrib.  Leaves turn yellowish with brown goods on the leaf margin.  Plant height reduced marginal yellowing of leaf margin extends towards the midrib.  Purplish mottling of leaf petiole and malformation of leaves.  Fruits do not ripen well and become tasteless.

Spraying MgSO4 5% or application of dolomite lime stone 3t/ha effectively corrects the deficiency.