Watermelon (Citrullus lanatus (Thunb.) Matsum & Nakai) is an annual vine of the genus watermelon in the cucurbitaceae family. Its shape is generally approximately spherical or oval, and its color is dark green, light green or with black green stripes or markings. Melon seeds are mostly black, oval, pointed head; Stem branches stout, with light yellowish brown hair; Leaf like paper, triangular oval shape, the edge is wavy. Fruit period May - June. It was introduced into China from the Western Regions in the 9th century, so it was named watermelon.
The origin of watermelon is in the arid desert area of tropical Africa, mainly planted in tropical areas, in southern Xinjiang and Central Asia has more than 1,000 years of cultivation history. Watermelon like warm and dry climate, cold tolerance, drought tolerance, humidity tolerance, light, need a large amount of fertilizer, with loose soil, deep soil, good drainage sandy soil is the best, the main way of reproduction has grafting and seed reproduction, is through seed reproduction, with the help of external forces or artificial cultivation, will grow new watermelon seedlings.
Watermelon for the summer fruit, fruit meat taste sweet, can cool down the summer. Seeds contain oil and can be used as recreational food. The peel is used for medicinal purposes and has the effect of clearing heat, diuresis and lowering blood pressure.