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Mycorrhizal and dark septate endophytic fungi of Pedicularis species from northwest of Yunnan Province, China

Mycorrhiza volume 17, pages 103–109 (2007)Cite this article

Abstract

Colonization of mycorrhizal and root endophytic fungi in 14 Pedicularis species from northwest of Yunnan Province, southwest China, was examined. These species included: Pedicularis gracilis Wall., Pedicularis longipes Maxim., Pedicularis axillaris Franch., Pedicularis cephalantha Franch., Pedicularis tenuisecta Franch., Pedicularis tapaoensis Tsoong, Pedicularis likiangensis Franch., Pedicularis dichotoma Bonati, Pedicularis yui Li, Pedicularis rhinanthoides Schrenk, Pedicularis rex C.B. Clarke, Pedicularis longiflora Rudolph., Pedicularis siphonantha Don, and Pedicularis oxycarpa Franch., among which nine are endemic to China (one to Yunnan). Three types of potentially beneficial fungi associated with roots of these species were observed, namely, arbuscular mycorrhizal fungi, ectomycorrhizal fungi, and dark septate endophytic fungi (DSEF), with DSEF as the most common colonizers. An unexpected high colonization level was detected in this hemiparasitic genus. Of the 19 sampling sites examined, 10 gave colonization frequency of above 50% and 6 showed a colonization index of above 50. Heavy colonization suggested a significant ecological role of these fungi and their potential to be applied to successful cultivation of these intractable plants.

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Acknowledgements

We are indebted to Prof. Andrew Smith for his kindly encouragement and generous help with the revision of this manuscript. We are grateful to the anonymous reviewers for their instructive comments and valuable suggestions that improved this manuscript. We thank the National Natural Science Foundation of PR China for financial support (No. 30670207).

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  1. Kunming Botanical Garden of Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan, 650204, China

    Ai-Rong Li & Kai-Yun Guan

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  1. Ai-Rong Li
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  2. Kai-Yun Guan
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Correspondence to Ai-Rong Li.

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Li, AR., Guan, KY. Mycorrhizal and dark septate endophytic fungi of Pedicularis species from northwest of Yunnan Province, China. Mycorrhiza 17, 103–109 (2007). https://doi.org/10.1007/s00572-006-0081-6

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  • DOI: https://doi.org/10.1007/s00572-006-0081-6

Keywords

  • Mycorrhizal fungi
  • Root endophytic fungi
  • Hemiparasitism
  • Orobanchaceae