新品种豆蔻朱顶红的选育

Breeding of a New Variety of Hippeastrum‘Doukou’

豆蔻朱顶红(Hippeastrum‘Doukou’)是以罗莎莉朱顶红(Hippeastrum‘Rosalie’)为母本、舞后朱顶红(Hippeastrum‘Dancing Queen’)为父本进行人工杂交授粉,通过对优选单株进行鳞茎片扦插扩繁而成。2023年3月通过广东省农作物品种审定委员会现场鉴定。植株长势旺盛,平均株高50.6 cm;叶绿色,长64.5 cm、宽5.8 cm;花茎绿色,花茎长40.1 cm、直径2.4 cm,着花4.0朵,具香气;花重瓣,主色白色,花径14.7cm;单朵花期8.2 d,单茎花期12.1 d。与对照品种舞后朱顶红相比,花茎更短,缩短28.6%,香气更浓。

Hippeastrum‘Doukou’is an artificial hybrid pollination method that uses‘Rosalie’as the female parent and‘Dancing Queen’as the male parent.It is developed through bulb cutting and propagation of selected individual plants.It passed on-site identification by the Guangdong Provincial Crop Variety Approval Committee in March 2023.The plant grows smartly,with an average height of 50.6 cm and green leaves 64.5 cm long and 5.8 cm wide.The flower stem is green,with a length of 40.1 cm and a diameter of 2.4 cm.It has 4.0 flowers with a fragrant smell.The flower has double petals,the prime color is white,and the diameter of the flower is 14.7 cm.The single-flowering period lasted 8.2 days,and the single-stem flowering period lasted 12.1 days.Compared with the control variety Hippeastrum‘Dancing Queen’,the flower stem is shorter,shortened by 28.6%,and the aroma is more vigorous.