Leaves along with veins appear in green colour then it turns to yellowish colour.  Basal leaves are green in colour.  Later leaves spot are appear in between the veins.  Leaves are curled downward direction.  Lowest, leaves become white to yellow with the base of the leaf remaining green.  Pale brown necrotic spots develop with dark brow margin.  Brown spots appear on the pods.

Foliar spray of MgSO4 1% at fortnightly intervals.