Leaf blade thickens leaf shape is distorted leaf margin up or down the tip may curve back interveinal areas leaves are usually smaller thickened leaf blade brittle spaced leaves show a rosette appearance.  Some twigs die back flower panicles of trees showing little leaf symptoms are usually small irregular in shape drooping spikes.

Soil application of ZnSO4 10 kg/ha or foliar spray of ZnSO4 0.5% or nitrozinc at
150 ml /100litres of water.