questions: asking about the control measure for bacterial leaf spot in betel vine. 
 answers: advised to drench the soil or spray at the root zone cristocycline @ 1 gram/5 lit water,2 sprays at 7 days interval.also spray bordueax mixture alternately(mix 100 gm copper sulphate in 5 lit water,100 gm lime in 5 lit water separately,mix both in 3 rd container for 10 lit solution),2-3 sprays at 5-6 days interval.