Mycobiology.  2009 Dec;37(4):272-276. 10.4489/MYCO.2009.37.4.272.

Effect of Organic Farming on Spore Diversity of Arbuscular Mycorrhizal Fungi and Glomalin in Soil

• Lee JE
• Eom AH

• KMID: 2053027
• DOI: http://doi.org/10.4489/MYCO.2009.37.4.272

Abstract

In this study, eight soil samples were collected from organic and conventional farms in a central area of South Korea. Spore communities of arbuscular mycorrhizal fungi (AMF) and glomalin, a glycoprotein produced by AMF, were analyzed. Spores of Glomus clarum, G. etunicatum, G. mosseae, G. sp., Acaulospora longula, A. spinosa, Gigaspora margarita, and Paraglomus occultum were identified at the study sites, based on morphological and molecular characteristics. While Acaulospora longula was the most dominant species in soils at organic farms, Paraglomus occultum was the most dominant species in soils at conventional farms. Species diversity and species number in AMF communities found in soils from organic farms were significantly higher than in soils from conventional farms. Glomalin was also extracted from soil samples collected at organic and conventional farms and was analyzed using both Bradford and enzyme-linked immunosorbent assays. The glomalin content in soils from organic farms was significantly higher than in soils from conventional farms. These results indicate that agricultural practices significantly affect AMF abundance and community structure.

Keyword

Arbuscular mycorrhizas; Fungal community; Glomalin; Organic farming

MeSH Terms

Enzyme-Linked Immunosorbent Assay
Fungi
Glycoproteins
Organic Agriculture
Republic of Korea
Soil
Spores
Glycoproteins
Soil