京欣砧5号是以自交系N15为母本,以N11为父本配制而成的中国南瓜(Cucurbita moschata)黄瓜专用砧木一代杂种.该砧木发芽整齐,出苗壮,根系发达,吸肥力强.嫁接黄瓜亲和力好,共生亲和力强,成活率高,结合面致密.耐低温弱光,抗枯萎病,有促进生长提高产量的效果.嫁接黄瓜后,瓜条亮绿无蜡粉,产量比对照领秀嫁接苗提高5.5%.适宜早春和越冬保护地黄瓜嫁接栽培.%‘Jingxinzhen No.5’ is a hybrid cucumber rootstock bred by taking N15 as female parent and N 11 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.
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