Mycobiology

The Korean Society of Mycology (한국균학회)
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Root Age-Dependent Changes in Arbuscular Mycorrhizal Fungal Communities Colonizing Roots of Panax ginseng

  • Kil, Yi-Jong (Department of Biology Education, Korea National University of Education) ;
  • Eo, Ju-Kyeong (Department of Biology Education, Korea National University of Education) ;
  • Lee, Eun-Hwa (Department of Biology Education, Korea National University of Education) ;
  • Eom, Ahn-Heum (Department of Biology Education, Korea National University of Education)
  • Received : 2014.10.15
  • Accepted : 2014.11.26
  • Published : 2014.12.31
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Abstract

In this study, we examined arbuscular mycorrhizal fungal (AMF) community structure colonizing field-cultivated ginseng roots according of different ages, such as 1- to 5-year-old plant, collected from Geumsan-gun, Korea. A total of seven AMF species namely, Funnelliformis caledonium, F. moseae, Gigaspora margarita, Paraglomus laccatum, P. occultum, Rhizophagus irregularis, and Scutellospora heterogama were identified from the roots using cloning, PCR-restriction fragment length polymorphism and sequence analysis of the large subunit region in rDNA. AMF species diversity in the ginseng roots decreased with the increase in root age because of the decreased species evenness. In addition, the community structures of AMF in the roots became more uniform. These results suggest that the age of ginseng affects mycorrhizal colonization and its community structure.

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References

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