秋早熟松散型花椰菜新品种‘优松55’

A New Early-maturing Loose-curd Cauliflower Variety'Yousong 55'

‘优松55’是以细胞质雄性不育系‘HL-105’为母本,以自交系‘HL-43’为父本杂交选育而成的早熟松散型花椰菜一代杂交新品种。华北地区秋露地从定植至收获55 d左右,株型半开张,叶片长披针型,叶色深绿;花球半球型,半松周正、雪白细嫩、青梗。该品种具有抗晒,耐热抗病,口感脆嫩,品质优,早熟性好等特点。单球质量1.25 kg左右,栽培适宜密度为33 000~39 000株·hm-2,产量约为45 000 kg·hm-2。适合在京津冀、山东、河南、安徽、江苏、浙江等地秋季露地栽培。

'Yousong 55'is a new early-maturing and loose-curd F1 hybrid inbred by female parent sterile line'HL-105'and male parent'HL-43'.It takes about 55 d from transplanting to harvest in autumn.The plant shape is half-opening and the leaf blade is oval.'Yousong 55'has a hemisphere shaped and loose head in snow-white color with green stalks.The variety has the characteristic of sun resistance and heat resistance,crisp and tender taste,excellent quality,good early maturity and so on.It’s single head weights is about 1.25 kg,the optimal density was 33000~39000 strains·hm-2 and its total yield is about 45000 kg·hm-2.The cultivar suits to be planted in the in Beijing,Tianjin,Hebei,Shandong,Henan,Anhui,Jiangsu,Zhejiang of China in autumn.