Question: query regarding control of with in tomato. 
Answer: do the ozzo test first then if the test is positive then spray streptocyclin/ streptomycin 1 gram/5 liters of water 3 times at 5 days interval in the evening time. if the test is negative then please spray bavistin 3 gram per liters of water 3 times at 5 days interval in the evening time.