Question: query regarding management of wilt in brinjal field. 
Answer: first of all please do the bacterial ooze test. for that you have to cut a piece of twig from the infected plant then put into a  glass of clean water and keep it for 30 minutes. if the water become yellowish white then please apply the solution of streptocyclin or streptomycin 2gm/liter of water near the root zone and spray in the plant also. if the water remain clean than you have to apply fungicide like glyodin/ carboxin/ saaf 2gm/liter of water and also have to spray in the plants.