保护地黄瓜新品种津优319的选育

津优319是果实商品性尤为突出的华北型黄瓜一代杂种,母本、父本分别是自交系117D507-2、QF19。津优319耐低温弱光,植株长势较强,叶片中等大小,主蔓结瓜为主,瓜条商品性突出,棒状,顺直整齐,瓜把短,瓜长36.0~38.0cm,单瓜质量约290 g;瓜色深绿,色泽油亮;刺瘤中等,无棱;畸形瓜率低于10%;瓜腔小,果肉淡绿色,口感脆甜。综合抗病性强,抗枯萎病、霜霉病、白粉病、CMV;丰产潜力好,栽培得当每667 m2产量超过10 000 kg,适合我国华东、华北地区春秋保护地栽培。

A New Cucumber F1 Hybrid -‘ Jinyou 319’ for Protected Field Cultivation

A new cucumber F1 hybrid‘ Jinyou 319’ is developed by crossing‘ 117D507-2’ as female parent and‘ QF19’ as male parent．It is of North China type and has excellent fruit commodity．It is tolerant to low temperature and weak light．The plant has strong growth vigor．Its leaves are medium in size．Its fruits are grown on main vine．The fruits are of stick shape，straight，with short carpopodium and high uniformity．The fruit is 36.0-38.0 cm in length．The single fruit weight is about 290 g．The fruit is shining dark green in color and has medium papilloma but no arris．The percentage of abnormal fruit is less than 10%．The fruit pulp is light green in color with small chamber．It tastes sweet and crisp．It has strong comprehensive resistance to diseases，and excellent yield potential．It is resistant to Fusarium wilt，downy mildew，powdery mildew and CMV. It can yield over 150 t·hm-2．It is suitable to be cultivated in Eastern and Northern China in protected fields in spring and autumn．