河南农业科学 ›› 2023, Vol. 52 ›› Issue (7): 70-80.DOI: 10.15933/j.cnki.1004-3268.2023.07.007

• 作物栽培·遗传育种 • 上一篇    下一篇

不同林地类型对白及生长及其内生真菌多样性的影响

李善敏1,2,曾歆花2,黄卫昌2,付浩2,黄清俊1   

  1. (1.上海应用技术大学生态技术与工程学院,上海 201418;2.上海辰山植物园华东野生濒危资源植物保育中心,上海 201602)
  • 收稿日期:2022-11-28 出版日期:2023-07-15 发布日期:2023-08-09
  • 通讯作者: 黄清俊(1965-),男,江西樟树人,教授,博士,主要从事园林植物与观赏园艺及农业生物技术研究。E-mail:huangqingjun@163.com
  • 作者简介:李善敏(1997-),女,安徽六安人,在读硕士研究生,研究方向:园林植物与种质创新。E-mail:lishanmin2022@163.com
  • 基金资助:
    上海市科技兴农项目(2021-02-08-00-12-F00778)

Effects of Different Forest Type on the Growth of Bletilla striata and Diversity of Endophytic Fungi

LI Shanmin1,2,ZENG Xinhua2,HUANG Weichang2,FU Hao2,HUANG Qingjun1   

  1. (1.School of Ecological Technology and Engineering,Shanghai Institute of Technology,Shanghai 201418,China;2.East China Conservation Center of Wild Endangered Plants,Shanghai Chenshan Botanical Garden,Shanghai 201602,China)
  • Received:2022-11-28 Published:2023-07-15 Online:2023-08-09

摘要: 为探究不同林地类型对白及生长及其与内生真菌共生关系的影响,实现白及林下有效栽培和林地综合开发利用,选择红哺鸡竹(Phyllostachys iridescens)、落羽杉(Taxodium distichum)、毛竹(Phyllostachys edulis)和水杉(Metasequoia glyptostroboides)4 种林地,分析不同林地白及生长指标、内生真菌多样性和群落组成的差异。结果表明,毛竹林地白及的株高、叶长、叶宽、分蘖芽数、根粗、根长、地上部和地下部鲜质量和根冠比均高于其他3种林地。其中,根长、地上部和地下部鲜质量、根冠比显著高于其他3种林地,具体表现为毛竹林地>落羽杉林地>水杉林地>红哺鸡竹林地。不同林地白及内生真菌优势种群均为担子菌门(Basidiomycota)的梨形孢属(Serendipita),但优势真菌相对丰度在不同林地间存在较大差异。其中,毛竹林地白及梨形孢属相对丰度最高,水杉林地最低,分别为84.76%、43.11%。99.67%的内生真菌与白及生长指标具有相关性,同时白及内生真菌种类受土壤养分的影响,尤其是土壤pH值及全磷、碱解氮、有机质、总氮含量的影响。综上,林下种植白及时应综合考虑林地类型、土壤养分含量和微生物种类等因素对白及生长发育的影响。

关键词: 白及, 生长指标, 内生真菌, 土壤养分, 林地类型

Abstract: In order to study the effect of different forest type on the growth of Bletilla striata and its symbiotic relationship with endophytic fungi and realize the effective cultivation of B.striata and the comprehensive development and utilization of forest type,in this study,we selected four forest types(Phyllostachys iridescensTaxodium distichumPhyllostachys edulis and Metasequoia glyptostroboides)to analyze the growth indexes,endophytic fungal diversity and community composition of B.striata.The results showed that the plant height,leaf length,leaf width,number of tiller buds,root width,root length,aboveground and underground fresh weight and root⁃top ratio of B. striata in P.edulis forest was higher than those of the other forest types.The root length,aboveground and underground fresh weight and root⁃top ratio were significantly higher than those of the other three forest types,showing as follows:P.edulis forest>T.distichum forest>M.glyptostroboides forest>P.iridescens forest.In different forest types,the dominant endophytic fungal population in B. striata was Serendipita of Basidiomycota,but the relative abundance was significantly different.P.edulis forest was the highest(84.76%)and M.glyptostroboides forest was the lowest(43.11%).99.67% of endophytic fungi were correlated with the growth indexes of B.striata,and the endophytic fungi species were affected by soil nutrients,especially soil pH,total phosphorus,alkali⁃hydrolyzed nitrogen,organic matter,total nitrogen.In conclusion,the influences of forest type,soil nutrient content and endophytic fungi species on the growth and development of B.striata should be comprehensively considered.

Key words: Bletilla striata, Growth index, Endophytic Fungi, Soil nutrient, Forest type

中图分类号: