Question: query regarding wilting  management in tomato field. 
Answer: first of all you have to do the bacterial test. for that you have to cut a piece of twig from the affected plant and then put in to a glass of clean water, keep it like that for about 30 minutes. after that if you noticed that the water become yellowish white then drench the soil with streptomycin or streptocyclin 2gram/10 liter of water after roughing out the severely affected plant and also apply in the un affected plants 3 times a 3 days interval in the evening time in the absence of rain.