桂花新品种‘葱郁’
摘要：
【目的】桂花(Osmanthus fragrans)是我国特有的珍贵花木,四季常绿,花香浓郁,有着极大的开发利用价值,通过桂花优良新品种的选育可推动桂花产业的发展。【方法】以实生苗为材料,选育出1株特异单株对其进行扞插繁殖,并对无性系进行DUS测试。【结果】选育出的新品种‘葱郁’株型特别,呈阔柱状,花色淡黄,花香浓郁,叶片小。【结论】通过DUS测试,显示其性状具有特异性、一致性、稳定性,获得植物新品种授权。‘葱郁’是优良的景观树,具有很高的观赏价值。
关键词: 桂花, 品种, ‘葱郁’
Abstract:
【Objective】 Osmanthus fragrans is a unique flower that is considered a high value product in China, it is year-round evergreen, with a rich fragrance, and demonstrates high value for development and utilization. Breeding new cultivars of Osmanthus fragrans may promote the development of the Osmanthus fragrans industry. 【Method】 Seedlings were used as breeding materials, and the distinctness, uniformity and stability (DUS) test was carried out on clone progenies of a specific single plant. 【Result】 The newly bred cultivar, ‘Congyu’, was characterized as a unique plant type with a wide columnar shape, light yellow flowers, strong floral fragrance and small leaves. 【Conclusion】 The DUS test demonstrated that the characteristics of this plant exhibited distinctness, uniformity and stability; as such, the plant variety rights certificate was obtained. This study demonstrates that‘Congyu’ is an excellent landscape tree with high ornamental value.
Key words: Osmanthus fragrans, cultivar, O. fragrans‘Congyu’
中图分类号:
S718
S685.13
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