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农学学报 ›› 2021, Vol. 11 ›› Issue (11): 76-80.doi: 10.11923/j.issn.2095-4050.cjas2020-0007

• 林学/园艺/园林/食用菌 • 上一篇    下一篇

多花黄精实生育苗及幼苗生物质积累规律分析

骆绪美1(), 许早时2, 韩文妍1, 程明伟1, 兰伟3, 任杰4()   

  1. 1安徽省林业科学研究院,合肥 230031
    2安徽省林业高科技开发中心,合肥 230001
    3阜阳师范大学生物与食品工程学院,安徽阜阳 236037
    4安徽省农业科学院农业工程研究所,合肥 230031
  • 收稿日期:2020-04-15 修回日期:2021-09-13 出版日期:2021-11-20 发布日期:2021-12-09
  • 通讯作者: 任杰 E-mail:120123923@qq.com;renjie329@aliyun.com
  • 作者简介:骆绪美,女,1978年出生,副研究员,硕士研究生,主要从事林木培育、园林植物引种驯化研究等。通信地址:230031 合肥市蜀山区黄山路618-1号 安徽省林业科学研究院,Tel:0551-62632816,E-mail: 120123923@qq.com
  • 基金资助:
    安徽财政资金——2019年主要经济树种项目

Seedling Growth and Seedling Material Accumulation of Polygonatum cyrtonema

Luo Xumei1(), Xu Zaoshi2, Han Wenyan1, Cheng Mingwei1, Lan Wei3, Ren Jie4()   

  1. 1Anhui Academy of Forestry, Hefei 230031, Anhui, China
    2Institution of Anhui Forestry High-tech Development Center, Hefei 230001, Anhui, China
    3School of Biological Science and Food Engineering, Fuyang Normal University, Fuyang 236037, Anhui, China
    4Institute of Agricultural Engineering, Anhui Academy of Agricultural Sciences, Hefei 230031, Anhui, China
  • Received:2020-04-15 Revised:2021-09-13 Online:2021-11-20 Published:2021-12-09
  • Contact: Ren Jie E-mail:120123923@qq.com;renjie329@aliyun.com

摘要:

多花黄精苗播种育苗难度大,实生苗生物质积累规律尚待研究。笔者对其种子的发芽率、发芽势以及1~2年生苗进行跟踪观测。结果表明,多花黄精种子发芽率、发芽势均达80%以上,种子生活力强。该种子萌发周期长,部分植株于次年春季长叶。1年生苗属于先长根茎根系、再长叶片的生长发育类型;2年生苗叶片增长明显,其次是根系,再次是块茎,且2年生苗大多为单叶,仅有极少数为双叶或三叶。从第2年开始,地上叶片生长速度加快,但地下部分所占比例仍然较大,为全株的69%。表明随着叶片光合作用增强,黄精地下块茎生长优势越发明显。

关键词: 多花黄精, 发芽率, 发芽势, 叶片, 块茎, 根长

Abstract:

The germination of Polygonatum cyrtonema seeds is difficult, while the law of dry matter accumulation of P. cyrtonema seedlings is still not clear. To investigate the reproduction of P. cyrtonema, the authors studied the seed germination rate, germination vigor and the mass growth from 1 to 2 year stage. The results show that the germination rate and germination vigor are both over 80%. The sprouting time is long and the leaves generally grow out in next spring. 1 year-old seedlings belong to the leaf early and root later style, whereas the 2 year-old seedlings mostly display one leaf, seldom with 2 or 3 leaves. From the second year, the leaves grow faster than the root and tuber, but the proportion of the underground part is still relatively large, the tube yield ratio is over 69%, indicating that the tuber grow faster as photosynthesis strengthens.

Key words: Polygonatum cyrtonema, germination rate, germination vigor, leaf, tube, root length

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