南京林业大学学报(自然科学版) ›› 2022, Vol. 46 ›› Issue (2): 243-244.doi: 10.12302/j.issn.1000-2006.202106032

• 新品种 • 上一篇    

落羽杉属新品种‘中山杉111’和‘中山杉125’

王紫阳(), 徐建华, 殷云龙, 杨颖, 於朝广()   

  1. 江苏省中国科学院植物研究所,江苏省落羽杉属树木种质创新与繁育工程研究中心,江苏 南京 210014
  • 收稿日期:2021-06-24 接受日期:2021-08-31 出版日期:2022-03-30 发布日期:2022-04-08
  • 通讯作者: 於朝广
  • 基金资助:
    江苏省现代农业重点研发计划(BE2018390);江苏落羽杉属树木育种及培育省级长期科研基地项目[LYKJ(2021)

Taxodium ‘Zhongshanshan 111’ and ‘Zhongshanshan 125’: new cultivars of Taxodium

WANG Ziyang(), XU Jianhua, YIN Yunlong, YANG Ying, YU Chaoguang()   

  1. Jiangsu Engineering Research Center for Taxodium Rich. Germplasm Innovation and Propagation, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
  • Received:2021-06-24 Accepted:2021-08-31 Online:2022-03-30 Published:2022-04-08
  • Contact: YU Chaoguang

摘要:

【目的】落羽杉属(Taxodium)植物具有耐涝性,在低洼湿地林业生产中具有巨大的生态价值和经济价值,优良品种选育对于该属的开发利用具有重要意义。【方法】以墨西哥落羽杉为母本、池杉为父本开展人工杂交育种,并对获得的后代实生群体进行观察和选育。【结果】‘中山杉111’(品种权号:20200409)和‘中山杉125’(品种权号:20200410),具有干形好、生长快、耐水湿、景观价值高等优良特性,通过观察比较,新品种表现一致且稳定。【结论】‘中山杉111’和‘中山杉125’是优良的落羽杉属新品种,可在我国长江流域、东南沿海及内陆地区的湖泊湿地、水网、滩涂和平原绿化造林中栽植。

关键词: 落羽杉属, 新品种, ‘中山杉111’, ‘中山杉125’

Abstract:

【Objective】Taxodium was used for its excellent tolerance to waterlogging and had a great ecological and economic potential.The selection and breeding of excellent variety was of great significance for the development of this genus.【Method】In this study, an artificial pollination crossing between Taxodium mucronatum × T. distichum var. imbricatum was performed and the progeny was observed and selected.【Result】‘Zhongshanshan 111’ and ‘Zhongshanshan 125’ were two new varieties, which had excellent characteristics, such as good tree trunks, fast-growing, waterlogging tolerance and beautiful landscape effects.【Conclusion】The two elite varieties can be planted in the wetland, beach and plain of the Yangtze River basin, the southeast coastal and inland areas.

Key words: Taxodium, new cultivar, ‘Zhongshanshan111’, ‘Zhongshanshan125’

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