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林业科学 ›› 2011, Vol. 47 ›› Issue (10): 194-194.doi: 10.11707/j.1001-7488.20111031

• 植物新品种与良种 • 上一篇    

银杏新品种‘金带’

王迎, 宋承东, 郭善基, 张泰岩, 黄迎山   

  1. 泰安市泰山林业科学研究院 泰安 271000
  • 收稿日期:2011-07-18 修回日期:1900-01-01 出版日期:2011-10-25 发布日期:2011-10-25

A New Variety of Ginkgo biloba ‘jindai’

Wang Ying, Song Chengdong, Guo Shanji, Zhang Taiyan, Huang Yingshan   

  1. Tai'an City Academy of Forestry Science Tai'an 271000
  • Received:2011-07-18 Revised:1900-01-01 Online:2011-10-25 Published:2011-10-25

摘要:

‘金带’是对斑叶银杏进行枝条和植株优选,通过嫁接繁殖试验,选育获得的斑叶银杏新品种。主要特点是叶片为扇形,中裂较浅,叶缘浅波状, 有长柄; 叶片有黄绿相间的条纹,斑纹叶片底色绿色,其上间有黄色竖条纹。斑纹叶占全树全部叶片的40%~80%。雌株,雌球花有长梗,梗端有1~2盘状珠座,每座生1胚珠,发育成种子。种子核果状,近球形,外种皮肉质,有白粉。10-11月果熟,熟时淡黄或橙黄色,有臭味。中种皮骨质,白色; 内种皮膜质。叶片春夏秋3季均能保持特色,可广泛应用于行道、公园、庭院、广场、旅游景点等。

关键词: 金带, 银杏, 新品种

Abstract:

The ‘jindai’ is a new Ginkgo cultivar which bred by selection of ginkgo branches with spot leaves, and through grafting propagation and optimization culture. Main characteristics include fan blade with a shallow center crack, shallow wavy leaf margin, long petiole; longitude yellow stripes on green background leaves with vertical yellow stripes across the longitude stripes. The striped leaves account for 40%~80% of the whole leaves. Female, female cone has a long stalk, and the end has 1~2 disk-shaped beads, each student 1 ovule which develops into a seed. Seed is drupelike, subglobose, exocarp fleshy, with white powders. From October to November fruits ripe, with yellow or orange color, bad smell. Testa is bony, white; endotesta is membranaceous. The striped leaves maintain the characteristics from spring to autumn. The cultivar can be widely applied to the sidewalks, parks, gardens, squares and other tourist spots.

Key words: jindai, Ginkgo biloba, new variety

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