Commonly used rootstock varieties for watermelon include Chaofeng F and long bottle gourd

(Agricultural Wealth Network) Chaofeng F1. Bred through cooperation between the Zhengzhou Fruit Research Institute of the Chinese Academy of Agricultural Sciences and the Qingnong Watermelon Research Institute of Daqing City, Heilongjiang Province. Chaofeng F1 can promote early maturity of watermelon, increase watermelon yield, and has no adverse effect on watermelon quality. Long bottle gourd. Long bottle gourd, also known as bottle gourd, is cultivated in all regions. It has good graft compatibility with watermelon, the plants grow robustly, and it has strong resistance to Fusarium wilt; fruit set is stable, and it has no adverse effect on fruit quality.