【摘要】 莱发2号是以进口品种日本早二与寒香的杂交株经6代自交分离选育出的强雌株系1215为母本,以莱阳市地方黄瓜品种叶儿三经6代自交纯化选育出的自交系Y9611为父本配制的华南型黄瓜一代杂种。生长势强,以主蔓结瓜为主,果实棒形,长20～22 cm,单果质量100～120 g,皮深绿色,刺瘤稀,质脆。早熟,耐低温弱光,抗病毒病、霜霉病和白粉病,日光温室越冬茬产量87.7～97.9 t·hm^-2,适于华北地区日光温室越冬茬和早春茬栽培。更多还原

【Abstract】 Laifa No. 2 is a new cucumber F1 hybrid developed by crossing female line 1215 with inbred line Y9611. Its plant grows vigorously with high resistent to virus, downy mildew and powdery mildew. It takes only 65 days from sowing to the first harvesting. Fruits are 20-22 cm long, dark green and crispy with less frichome. Average fruit weight is 100 -120 g. It yields 87. 7 -97.9t·hm-2 in greenhouse, and is suitable for greenhouse cultivation from winter to spring in North China.更多还原