露地黄瓜新品种北京新401的选育

A New Open Field Cucumber F_1 Hybrid —‘Beijingxin 401’

北京新401是以优良自交系96-Ch5为母本,以96-55为父本配制的黄瓜一代杂种。耐高温,植株生长势强,叶片中等大小;瓜条棒状,长31～34cm,单瓜质量200～220g,瓜色深绿,有光泽,小刺瘤,白密刺,无棱,口感甜脆;主蔓第5～7节着生第1雌花,其后每隔2～3节出现雌花,以主蔓结瓜为主,侧枝亦可结瓜,北方露地栽培每667m2产量3800～4500kg;抗霜霉病、白粉病和病毒病;适于华北、西北、东北和南方部分地区春季露地栽培。

'Beijingxin 401'is a new cucumber F1 hybrid developed by crossing excellent inbred lines 96-Ch5 as female parent and 96-55 as male parent.The fruit is crisp and sweet with white spine and straight bar.The first female flower appears in the 5th-7th node.The fruit is 31-34 cm in length and 200-220 g in weight.Its total yield is 57.0-67.5 t?hm-2 in open field cultivation in spring and summer.It is resistant to downy mildew,powder mildew,virus and tolerant to high temperature and long day.It is suitable for cultivation in open field in north,northeast,northwest and certain area of south China.