questions: asked for control for gummosis in lemon 
 answers: suggested to apply bordeux paste by mixing copper sulfate and lime 10gm each.then aftyer the paste is made then paint 1 m of the stem above the ground level with bordeaux.also spraying and drenching with ridomil mz 72@ 2.75 g/l or aliette (2.5 g/l) is effective in controlling the disease.