Question: query regarding management of bunchy top disease of banana.  
Answer: please uproot the severely affected plants from the field and bury or burn them in a separate place away fron the cultivable field. spray carbaryl 3 gram/liter or phosphamidon/dimethoate 1ml/liter of water civering the whole affected plants to control the polulation of aphid vactor  3 -5 times at 3 days interval in the evening time in the absence of rain.