In tomato plants various diseases are caused by various pathogens like fungus, bacterial, virus and insects. These diseases are bud blight disease, early blight, gray leaf spot, late blight, bacterial speck, buckeye rot and tomato mosaic virus are the main diseases. In India, groundnut bud necrosis virus (GBNV), peanut yellow spot virus (PYSV) and watermelon bud necrosis virus (WBNV) have been reported to infect a broad range of vegetables (tomato, potato, chilli, peppers, and watermelon). The tomato Tospovirus is now increasing in India on tomatoes, it occurs at high proportions in some...