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首页> 外文会议>Conference of the International Plant Propagators' Society >Outside The Box: Breeding of Not-So-Common Woody Landscape Plants at the United States National Arboretum
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Outside The Box: Breeding of Not-So-Common Woody Landscape Plants at the United States National Arboretum

机译：在盒子外：在美国国家植物园的非普通木质景观植物繁殖

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The woody ornamental breeding programs at the U.S. National Arboretum were started in the late 1950s and are known for the release of improved selections of such landscape staples as viburnums, crapemyrtles, maples, and elms. However breeding and selection work is also under way on several less common flowering shrubs (Cercis, Corylopsis, and Gaylussacid) and trees (Celtis, XChitalpa, and Halesid). Challenges in breeding these genera can include a scarcity of available germplasm; lack of informationon seed germination or propagation; unknown tax-onomic and genetic information on species relationships; and marketing challenges for the new plants. However, these plants can also offer new opportunities for growers, landscape architects, and gardenersand can serve to broaden the palette and genetic diversity of cultivated landscape plants.
机译：美国国家植物园的木质装饰育种计划于20世纪50年代后期开始，众所周知，释放改进的这种景观钉书针作为荚虫，Crapemyrtles，枫树和榆树。然而，繁殖和选择工作也在几种不那么常见的开花灌木（Cercis，Corylocksis和Gaylussacid）和树木（Celtis，Xchitalpa和Halesid）上进行。育种这些属的挑战可以包括可用种质的稀缺性;缺乏信息种子萌发或繁殖;有关物种关系的未知税收责备和遗传信息;新植物的营销挑战。然而，这些植物还可以为种植者，景观建筑师和园林植物提供新的机会，可以扩大培养景观植物的调色板和遗传多样性。

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