Question: query regarding management of wilt in arecanut. 
Answer: --clean the affected plants, then if possible apply blitox- 50 3 gram/liter of water or hexaconazole 10ml/liter of water 3 times @ 15 days interval in the affected plant portion. if it is not possible then apply the same doses of medicin in the root portion by loosening the soil up to 60 cm away from the plant. apply recomended doses of fertilizer urea 200 gram super 250 gram, potash 280 gram and borax 50 gram per plant in 2 equal split dose, once in the month of september- october and once in the month of march april in ring method, 15-20 cm depth and 60 cm away from the plant.