Abstract：‘Jingxinzhen No.5’is a hybrid cucumber rootstock bred by taking N15 as female parent and N11 as male parent. It is of high and uniform germinate rate with strong seedlings and well developed root system. It has good fertilizer absorbing ability and high grafting affinity. Its survival ratio is high. It is tolerant to low temperature and weak light, and resistant to Fusarium wilt. It can yield 5.5 % higher than‘Lingxiu’. After grafting with cucumber, its fruit is with shiny dark green skin and good quality. It is adapted to protected cultivation in early spring and for over-winter.
