Question: citrus gummosis problem
Answer: suggested and tell as below- bordeaux paste (bordeaux mixture 10%) - 


- dissolve 100gm of copper sulphate and 100gm of quick lime each in 500 ml of water separately. mix them together to make one litre of paste. 


-this mixture is used for spraying against any fungal disease of crops. also paste is used to paint the stems of fruit crops to protect from fungus attack.


- it should be applied during june- july months and after prunning of trees.