Tomato ( Lycopersican esculentum ) belongs to solanaceae family. It is native to Mexico and was called tomati. Being a popular vegetable universally, tomato is a frost susceptible crop and loves warm season to grow. The crop grows under a wide range of environmental conditions but needs plenty of sunshine, comparatively cool nights with 15 -20 temperature. It requires warm days with temperature range of 25 30 for optimum production. Tomatoes do not set fruits when average night and day temperature exceeds 25 - 35 respectively. This crop is grown from sea level to snow line as one of the leading and popular vegetables in Pakistan. In 2010-11, tomato crop was planted on 52300 hectares land, which gave 529600 tons production (Agricultural Statistics of Pakistan, 210-11). It is eaten in fresh, cooked and processed form in the world. In Pakistan, it is cooked with almost every dish in the kitchen ...