Recently, a mini watermelon called "thumb watermelon" appears on the fruit and vegetable markets, after nearly three years cultivation in Jinshan District of Shanghai.
"Thumb watermelon," a fruit originating in South America " Pepquino ", longs 3 centimeter. It’s flesh is green and tastes slightly sweet. It can be eaten with skin. The market price of this thumb watermelon is about 160 yuan / kg.
