无花粉观赏向日葵新品种‘闽葵4 号’

 ‘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。

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

‘Minkui 4’is a new，pollen-free ornamental sunflower cultivar developed by cross the ‘GS08’as female parent and the high-generation inbred line‘M1R3-1’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.