保护地黄瓜新品种津优1号的选育

对２００余份黄瓜品种资源进行抗病性鉴定，筛选出优良自交系４５１和Ｑ１２－２，并配制成一代杂种———津优１号。其植株长势强，以主蔓结瓜为主，第一雌花着生在第４节左右，瓜条长棒形，长约３６ｃｍ，单瓜重约２００ｇ。瓜把约为瓜长的１／７，瓜皮深绿色，瘤明显，密生白刺，果肉脆甜无苦味。从播种到采收约７０天，平均每６６７ｍ２产量６０００ｋｇ左右，比长春密刺增产１５％～２０％。抗霜霉病、白粉病和枯萎病，适于早春保护地栽培。

Breeding of ‘Jinyou No. 1’ Cucumber for Protective Cultivation

Jinyou No. 1’ is a F 1 hybrid of line 451 and Q12-2 with early maturity,high resistant to downy mildew,powdery mildew and Fusarium wilt. It needs only 70 days from sowing to the first harvest. It yields 90 tons per ha,15%～20% higher than that of the popualr variety ‘Changchunmici’. Average fruit weight is about 200g. Fruits are dark green,sweet and crispy,with white spine on it and have good quality and high marketable percentage. The fruit neck is short,about 1/7 of fruit length,the cavity of fruit is les...