日光温室黄瓜新品种津优33号的选育

A New Cucumber F_1 Hybrid—‘Jinyou No.33’

津优33号是以优良自交系P4和242杂交而成，植株生长势强，叶片中等大小，深绿色，主蔓结瓜为主；低温（8～100℃）弱光（8000 lx）条件下能够正常开花结果，且瓜条生长速度快，坐瓜率高；抗黄瓜霜霉病、白粉病和灰霉病；瓜条长30～32cm，心腔小于瓜横径的1／2，瓜把较短，刺瘤密，瓜条深绿色，有光泽，口感脆嫩，品质好，单瓜质量175g，每667m^2。产量6000kg左右，适于日光温室越冬栽培。

Jinyou No. 33 is a new cucumber F1 hybrid bred by crossing P4 and 242. It is high tolerant to chilling and low light, and is resistant to downy mildew, powdery mildew and grey mildew. Its plant grows vigorously and it yields 90 t · hm^-2 in winter greenhouse. Average fruit is 30 -32 cm in length and 175 g in weight. Fruits are dark green, sweet and crispy,with good quality. It is suitable for greenhouse cultivation in winter.