露地黄瓜新品种津优48号的选育

摘要

津优48号是以优良自交系P-1和D59-1-1配制而成的黄瓜一代杂种,植株长势中等,叶片中等大小,叶色绿.主蔓结瓜为主,坐瓜率高,畸形瓜率低.瓜色深绿,有光泽,瓜条长35 cm左右,单瓜质量230 g左右,瓜把小于瓜长的1/7,瓜腔小于瓜横径的1/2,口感脆甜.经人工接种抗病性鉴定,高抗黄瓜枯萎病、霜霉病和白粉病,抗病毒病.平均每667 m产量6 000 kg以上,适合春露地和秋大棚栽培.%‘Jinyou No.48’ is a new cucumber F1 hybrid bred from crossing elite inbred line P-1 and D59-1-1. The plants has middle growth vigor. Its leaf is green. It bears fruits mainly in main stem with high fruit-setting rate. Its fruit is dark green in color, tender and crisp with good quality. The fruit is about 35 cm in length and the single fruit is about 230 g in weight. The fruit neck is less than 1/7 of the fruit length. The fruit cavity is below 1/2 fruit diameter. It is resistant to fusarium wilt, downy mildew, powdery mildew and CMV. It can yield 90 t · hm-2. It is suitable for open field cultivation in spring or plastic tunnel in fall.