| 白桦新品种‘朝霞1号’ |
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| 引用本文： | 姜 静,金冬雪,李慧玉,陈 肃,刘桂丰.白桦新品种‘朝霞1号’[J].园艺学报,2020,47(Z2):3123-3124. |
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| 作者姓名： | 姜 静 金冬雪 李慧玉 陈 肃 刘桂丰 |
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| 作者单位： | （东北林业大学林木遗传育种国家重点实验室，哈尔滨 150040） |
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| 基金项目： | 黑龙江省应用技术研究与开发计划项目（GA19B201） |
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| 摘 要： | ‘朝霞1号’是从转基因白桦中发现的T-DNA插入突变株，树冠伞形，侧枝下垂。主干树皮灰白色，呈层状剥裂，枝条红褐色。叶片单叶互生，纸质，宽卵形，夏季呈鲜艳黄绿色，秋季呈金黄色，叶尖为尾尖，叶基截形，叶缘重锯齿、浅裂。果序单生、下垂，坚果为卵形。
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| 关 键 词： | 白桦 叶色 |
A New Birch Cultivar‘Zhaoxia 1’ |
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| JIANG Jing,JIN Dongxue,LI Huiyu,CHEN Su,LIU Guifeng.A New Birch Cultivar‘Zhaoxia 1’[J].Acta Horticulturae Sinica,2020,47(Z2):3123-3124. |
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| Authors: | JIANG Jing JIN Dongxue LI Huiyu CHEN Su LIU Guifeng |
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| Institution: | （State Key Laboratory of
Forest Genetics and Breeding，Northeast Forestry University，Harbin 150040，China） |
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| Abstract: | ‘Zhaoxia 1’is
a T-DNA insertion mutant found in transgenic Betula platyphylla. The crown of the cultivar is umbrella shaped
with drooping branches. The bark of the trunk is gray white and stratified，while
the branches are reddish brown. The leaves are papery and wide ovate，and
the color of leaves is bright yellow green in summer and golden yellow in
autumn. Leaf apex is the tail tip，and
the base of the leaf is truncated. The leaf margin is double serrated and
shallow split. The fruit order is solitary and drooping，whereas
the nut is oval. |
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| Keywords: | birch leaf color |
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