【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.