Potato (Solanum tuberosum L.) is temperate zone crop which belongs to family solanaceae. Nearly 4300 varieties of native potatoes have been found, which are available in different colors, shapes and sizes. Out of these 180 are wild species of potato which are not edible because of their poisonous nature. Potato have a great nutritive value as it provides a part of everyday caloric requirements of human. It provides many essential nutrients and vitamins including potassium, phosphorus, manganese, magnesium, folate, vitamin C and vitamin B6. Worldwide production is estimated to 374 million...

Watermelon (Citrullus lanatus Thanb. Mavs.) is a monoecious, cross-pollinated crop, annual, one of the twelfth species from the family Cucurbitaceae, a major vegetable crop family. Area of Pakistan under watermelon production is about 30,000 hectares having production of 150,000 tons annually. Overall, Pakistan stands on 25th position in the world in term of watermelon production and 17th position on area vise with area of 27,200 hectares and produces 406,000 tons of it annually. A loss of PKR 20 million per year has been estimated on the salt affected soils of Pakistan because of decrease in...