Gradual yellowing of all leaves, with the youngest leaves remaining green.  General retardation of growth.  Stalk diameter is small.  Older leaves die prematurely roots grow long.  Leafs drying prematurely at tips and margins, old leaves reddish purple, leaves narrows, tem thin.

Soil application of N fertilizer or Foliar spray of Urea 1-2% twice at weekly interval.