黄瓜新品种绿园4号的选育

绿园4号是由韩国引进材料B21经过5代单株自交选择而成的雌性系281作母本，由中农8号经过6代单株自交选择而成的自交系L3作父本配制而成的黄瓜一代杂种。植株长势强，节间中等长，叶色深绿；果实商品性好，商品瓜长约30 cm，瓜把短，刺瘤明显；早熟，抗黄瓜花叶病毒病、细菌性角斑病、中抗霜霉病，春露地栽培每667 m2产量5 500 kg左右，适宜我国长江以北地区露地春季、秋季及塑料大棚秋季栽培。

A New Cucumber F1 Hybrid-'Lvyuan No.4'

Lvyuan No.4’is a new F1 hybrid cucumber variety bred by crossing 281 gynoecious inbred line as female parent and L3 inbred line as male parent. The 281 gynoecious inbred line was selected from B21 introduced from Korea by 5 generations’selection. The L3 was selected from‘Zhongnong No.8’inbred line.‘Lvyuan No.4’grows vigorously. Its node is in middle length. The leaves are dark green in color. Its fruit is about 30 cm in length and good for supermarket sale. The fruit stem is short and thorns are evident on surface. It is resistant to cucumber mosaic virus and bacterial augular leaf spot disease, mid-resistant to downy mildew. It matures early and can yield about 82.5 t?hm-2. It is suitable for open field cultivation in spring and autumn, and under big plastic shed in autumn in the North of Yangtze River.