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园艺学报 ›› 2026, Vol. 53 ›› Issue (4): 1088-1100.doi: 10.16420/j.issn.0513-353x.2026-0109

• 园艺植物丛枝菌根研究 • 上一篇    下一篇

不同品种牡丹根区土壤AM真菌群落特征

李霞2, 卜心语1, 徐萌1, 龙鑫1, 刘宗瑶1, 孙磊2, 郭绍霞1,*()   

  1. 1 青岛农业大学园林与林学院,山东青岛 266109
    2 菏泽学院农业与生物工程学院,山东菏泽 274000
  • 收稿日期:2026-02-28 修回日期:2026-03-23 出版日期:2026-04-25 发布日期:2026-04-20
  • 通讯作者:
    *E-mail:
  • 基金资助:
    山东省自然科学基金面上项目(ZR2023MC184)

AM Fungal Community in Root Zone Soil Grown with Different Paeonia suffruticosa Cultivars

LI Xia2, BU Xinyu1, XU Meng1, LONG Xin1, LIU Zongyao1, SUN Lei2, GUO Shaoxia1,*()   

  1. 1 Department of Landscape Architecture and Forestry,Qingdao Agricultural University,Qingdao,Shandong 266109,China
    2 Department of Agriculture and Bioengineering,Heze University,Heze,Shandong 274000,China
  • Received:2026-02-28 Revised:2026-03-23 Published:2026-04-25 Online:2026-04-20

摘要: 采集山东菏泽9个主栽品种牡丹(Paeonia suffruticosa)的根区土壤,利用高通量测序技术比较上述品种根区土壤丛枝菌根(arbuscular mycorrhizal,AM)真菌多样性及其群落结构,并分析其与土壤化学参数及细菌群落结构的相关性。结果表明,9个牡丹品种根区土壤的AM真菌群落多样性差异不显著。所有样品中的AM真菌均属于球囊霉目(Glomerales),优势科均为球囊霉科(Glomeraceae)。‘擎天粉'(相对丰度为65%)、‘黑夫人'(65%)、‘赵粉'(64%)、‘岛锦'(63%)和‘姚黄'(54%)的优势属为硬囊霉属(Sclerocystis),‘花王'(82%)、‘豆绿'(63%)和‘彩菊'(55%)的为球囊霉属(Glomus),‘皇冠'(37%、30%)的则为球囊霉属和硬囊霉属。土壤速效钾和有机质含量是与‘姚黄'‘豆绿'‘彩菊'‘黑夫人'‘岛锦'‘花王'和‘皇冠'根区AM真菌群落丰度正相关的主要因素。硬囊霉属的相对丰度与硝化螺菌属(Nitrospira)以及与未分类细菌(d__Bacteria)呈显著正相关;球囊霉科的未分类属(f__Glomeraceae)与未分类细菌p25(c__bacteria p25),以及与近芽孢杆菌属(Peribacillus)显著正相关。因此认为,牡丹品种可通过改变根区土壤速效钾和有机质含量,间接影响AM真菌群落结构;特定的AM真菌与细菌类群可能存在功能关联。

关键词: 牡丹, 品种, 土壤, AM真菌, 细菌群落

Abstract:

Root-zone soil samples were collected from nine major cultivars of peony(Paeonia suffruticosa)grown in Heze,Shandong,China. High-throughput sequencing was employed to compare the diversity and community structure of arbuscular mycorrhizal(AM)fungi in these soils. In addition,correlations between the AM fungal community and soil chemical properties, as well as between the AM fungal and bacterial communities,were analyzed. The results indicated that there were no significant differences of AM fungal diversity in the root-zone soil of the nine peony cultivars. All of the AM fungi in whole samples belonged to the Glomerales, and the dominant family was Glomeraceae. The dominant genus in the root-zone soils of‘Qingtianfen'(relative abundance 65%),‘Heifuren'(65%),‘Zhaofen' (64%),‘Daojin'(63%),and‘Yaohuang'(54%)was Sclerocystis. Glomus was the dominant genus in‘Huawang'(82%),‘Doulü'(63%),and‘Caiju'(55%). While‘Huangguan'(37%,30%)exhibited co-dominance of Glomus and Sclerocystis. Available potassium and organic matter were the primary soil factors positively correlated with the AM fungal community abundance in the root zones of‘Yaohuang'‘Doulü'‘Caiju'‘Heifuren'‘Daojin'‘Huawang'and‘Huangguan'. The relative abundance of Sclerocystis was significantly positively correlated with Nitrospira and unclassified bacteria(d_Bacteria)within the domain bacteria. Furthermore,the unclassified genus(f_Glomeraceae)within the family Glomeraceae showed significant positive correlations with unclassified bacteria p25(c_bacteria p25)and Peribacillus. It is concluded that the peony cultivars can indirectly affect the community structure of AM fungi by altering the content of available potassium and organic matter in the root-zone soil. Moreover, the results indicate potential functional associations between specific AM fungal taxa and bacterial groups in the root-zone soil of peony.

Key words: Paeonia suffruticosa, cultivar, soil, AM fungi, bacterial community