Question: query regarding management of witl in arecanut. 

Answer: ramove the heavily affected plants from the field and then in the pit apply 300-500 gram lime powder.

 spray and apply hexaconazole 10ml/liter of water or copper oxychloride 3 gram/liter of water 3 times at 15 days interval in the affected plant portion  and also near the root zone. 

after complition of this apply the recommended doses of fertilizer- urea 120 gram, super 180 gram, potash-200 gram, borax 25 gram and dry cowdung 10 kg per plant in 2 equal split dose once in the month of march/april and other in the month september/october .