洋葱新品种连葱9号的选育

Breeding of Liancong No.9, a New Onion Cultivar

洋葱新品种连葱9号是以9701不育株为母本、韩国高球形洋葱9953为父本杂交,在其后代优良株系中经多代系统选育而成。该品种属中熟类型,生育期为245 d左右。鳞茎圆球形,假茎较细,球形指数0.85以上,平均单球质量300 g,球形整齐,球茎大。平均每667 m2产量为6 000 kg。外皮金黄色,内部鳞片白色,辛辣味淡,有甜味。抗紫斑病,高抗霜霉病。

Liancong No.9 is a new onion cuhivar developed by systemic selection, and its female parent was the sterile strain 9701, while its male parent is the Korea cultivar 9953. It is a mid-maturing cultivar, and its whole growth period is about 245 days. The bulb is round and relatively large with spherical index of 0.85, and the weight of single bulb is 362 g. The yield of Liancong No.9 is 6 000 kg/667 m2. The bulb is golden yellow, and the inside is white, faintly spicy and sweet. Liangcong No.9 is highly resistant to downy mildew and resistant to Delioma.