Question: asking about bacterial spot in tomato
Answer: suggested to go for certified disease-free seed and plants.avoid overhead watering by using drip or furrow irrigation.remove diseased plants.prune plants to promote air circulation to avoid congestion.chemical spraying of sitara (hexaconazole ) @ 2 ml/l or tilt (propiconazole) @ 1-1.5 ml/l. 
manuring should be done according to recommended dose
urea-21 kg, ssp - 50 kg, mop - 13 kg/bigha. should be applied. half of urea and full doses of ssp and mop should be applied as basal and remaining half of urea  should be dressed in one or two splits