冬春茬温室黄瓜新品种津优20号的选育

Breeding of A New Cucumber F_1 Hybrid 'Jinyou No.20'

从 1992年开始搜集品种资源进行冬春茬日光温室黄瓜新品种的选育研究。 1994年选出耐低温弱光的保护地育种材料T5 4和 4 5 1。 2 0 0 1年育成了黄瓜新品种津优 2 0号。津优 2 0号黄瓜植株生长势强 ,以主蔓结瓜为主 ,瓜条顺直 ,长棒状 ,腰瓜长 30cm左右 ,单瓜质量 15 0g左右。商品性好 ,畸形瓜少。瓜绿 ,有光泽 ;瘤显著 ,密生白刺 ;果肉淡绿色、质脆、味甜。抗枯萎病、霜霉病、白粉病 ,耐低温弱光。适合华北、东北、西北和华东地区日光温室冬春茬和早春大棚栽培。

Jinyou No.20' is a cucumber F 1 hybrid with resistance to chilling,low light, Fusarium wilt,downy mildew and powdery mildew. It is suitable for greenhouse cultivation from later winter. Its plant grows vigorously,and it yields 90 tons per hm 2 in greenhouse. Average fruit is about 30cm in length and 150g in weight. Fruits are dark green,sweet and crispy,with white spine and have good quality and high marketable percentage.