韭葱新品种玉韭葱1号的选育

A New Leek Variety——‘Yujiucong No.1’

玉韭葱 1 号是从长白山西大蒜的变异群体中,经 4 代自交提纯选育而成的韭葱新品种。株型紧凑,叶片直立、对褶成“V”字形,生长期内功能叶有 6~8 片;株高 60~80 cm,假茎段长 20~30 cm,茎粗 1.5~2.0 cm,茎白段≤ 5 cm,单株质量 65~90 g,田间对灰霉病、疫病、锈病和紫斑病的抗性强于对照绿翠和长白山西大蒜。每 667 m^2 平均产量 5 000 kg 左右。适于云南滇中及其相近气候条件地区周年露地栽培。

‘Yujiucong No.1’ is a new variety bred by systematic selection from mutant population of ‘Changbaishanxidasuan’ through 4 generations of sel fi ng.The variety has compact plant type and erect leaves folded into“ V” shape.It has 6-8 functional leaves during growing stage.This variety is 60-80 cm in plant height,false stem segment is 20-30 cm in length,its stem thickness is 1.5-2.0 cm,and white stem length is less than 5 cm.The single plant weight is 65-90 g.Its resistances to gray mould,loemia,rust and purple blotch are stronger than that of the contrast‘ Lyucui’ and‘ Changbaishanxidasuan’.It can yield about 75 t hm^-2.It is suitable to be cultivated in central Yunnan Province and regions with similar climatic conditions all year round in open fi elds.