无花粉观赏向日葵新品种‘闽葵4号’

A New Pollen-free Ornamental Sunflower Cultivar‘Minkui 4'

‘闽葵4号’是以观赏向日葵品种‘GS08’为母本,自交系‘M1R3-1’为父本,经杂交选育的观赏型向日葵新品种。舌状花瓣黄色,管状花黑色,无花粉。单干型,生长势强,适应性广,生长期短,可四季种植,秋植生育期84 - 89 d,株高106 - 136 cm。花盘径7.1 - 7.5 cm,花径14.6 - 15.8 cm,花瓣34 - 48枚,瓶插寿命10 - 14 d,切花产量9 - 12万株 hm-2,可作为切花或庭院景观种植观赏。

＇Minkui 4＇ is a new, pollen-free ornamental sunflower cultivar developed by cross the ＇GS08＇ as female parent and the high-generation inbred line ＇M 1R3-1＇ as male parent. The characteristics of＇Minkui 4＇ is yellow ligulate petals, black tubular flowers, pollen-free property, no branching capability. This vigorous, adaptable, new variety had a short growth period, was suitable for year-round cultivation. ＇Minkui 4＇ planted in the fall had a growth period of 84 - 89 days. Its plant height was 106 - 136 cm with leaf number of 18 - 23, stem diameter of 1.7 - 2.0 cm, faceplate diameter of 7.1 - 7.5 cm, flower diameter of 14.6 - 15.8 cm, petal number of 34 - 38, cut flower lifespan of 10 - 14 days and provided a cutting output of 90 000 - 120 000 pieces · hm-2. ＇Minkui 4＇ could be used for ornamental cut flower production or garden landscape cultivation.