【摘要】 利用无花粉观赏向日葵品种雄性自发突变的单株,经杂交、回交、多代自交选育出向日葵切花型新品种"闽日1号",该品种花色特别是花盘颜色与其父母本有明显的差异,表现为花瓣黄色,花盘绿色,花药黑色,花粉黄色,整个花盘色彩艳丽,层次分明,观赏性状稳定;该品种为切花型,生育期80~120 d,株高115~170 cm,花朵直径11~15 cm,花瓣数35~45枚,瓶插寿命8~14 d;生长势强、适应性广、生长期短、可周年栽培,切花产量9.0~12.0万枝.hm-2。更多还原

【Abstract】 The spontaneously mutated male individuals of the pollen abortion ornamental sunflower were used to breed the cutting sunflower,"Minri 1" by hybridizing,backcrossing and inbreeding.The new variety has an apparently different flower color from their parents.In particular,its yellow petals,green discs,black anthers,yellow pollens and flamboyant and distinct flower discs give the stable ornamental characteristics.Minri 1has a growth period of 80-120 d.Its plant height is 115-170 cm with flower diameter of 11-15 cm,petal number of 35-45,and a cut flower lifespan of 8-14 d.The vigorous,adaptable,new variety has a short growth period,can be cultivated year-round and provides a cutting output of 90000-120000 pieces·hm-2.更多还原