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园艺学报 ›› 2021, Vol. 48 ›› Issue (S2): 3011-3012.doi: 10.16420/j.issn.0513-353x.2021-0302

• 观赏植物 • 上一篇    下一篇

彩叶杨树新品种‘辉煌1号’

姜 静*,陈 坤,李艺迪,陈 肃,刘桂丰   

  1. (东北林业大学林木遗传育种国家重点实验室,哈尔滨 150040)
  • 出版日期:2021-11-30 发布日期:2021-12-13

A New Poplar Cultivar‘Huihuang 1’with Yellower Green Leaves

JIANG Jing*,CHEN Kun,LI Yidi,CHEN Su,and LIU Guifeng   

  1. (State Key Laboratory of Forest Genetics and Breeding,Northeast Forestry University,Harbin 150040,China)
  • Online:2021-11-30 Published:2021-12-13

摘要: 杨树‘辉煌1号’是由三倍体‘银中杨’雄株通过转PaGLK-RNAi获得的干扰表达株系中选育出的黄叶新品种,其叶片中PaGLK1的表达量降低,光合色素含量减少。茎干通直,皮孔圆形,夏季叶片上表面黄绿色,观赏效果佳,适宜在城市绿化中应用。

关键词: 杨树, 叶色, RNAi, 品种

Abstract: A new poplar cultivar‘Huihuang 1’was selected from the PaGLK suppressive expression transgenic line by staminiferous plant of triploid Populus alba × P. berolinensis as the receptor. The expression level of PaGLK1 gene in leaves decreased in the cultivar,so photosynthetic pigment content decreased. Stem is straight at seedling stage;lenticel is round;leaf upper surface is yellow-green in summer. The leaf color is beautiful,so it has good ornamental effect. It is suitable for city greening .

Key words: poplar, leaf color, RNAi, cultivar

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