Leaf margins turns brown colour & reduction of leaf size are the characteristics symptoms. Flowering is delayed & keeping quality gets impaired. Reduction in flower number and size.  Delay in flowering. Abscission of lower leaves.

5 g of potassium chloride / lit of water at 10 days intervals.  Feeding with K2SO4 @ 1.25 g/lit (5 application) corrects the deficiency.