落羽杉属新品种‘中山杉111’和‘中山杉125’  

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

作　　者：王紫阳[1] 徐建华[1] 殷云龙[1] 杨颖 於朝广[1] WANG Ziyang;XU Jianhua;YIN Yunlong;YANG Ying;YU Chaoguang(Jiangsu Engineering Research Center for Taxodium Rich.Germplasm Innovation and Propagation,Institute of Botany,Jiangsu Province and Chinese Academy of Sciences,Nanjing 210014,China)

机构地区：[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

出　　处：《南京林业大学学报（自然科学版）》2022年第2期243-244,共2页Journal of Nanjing Forestry University：Natural Sciences Edition

基　　金：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)05]。

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。【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.

关 键 词：落羽杉属 新品种 ‘中山杉111’ ‘中山杉125’ 

分 类 号：S722.5[农业科学—林木遗传育种]