Diversity and efficiency of arbuscular mycorrhizal fungi in soils from organic chili (<i>Capsicum frutescens</i>) farms

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  • Boonlue S.
    Department of Microbiology, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
  • Surapat W.
    Department of Biological Sciences, Faculty of Science, Ubon Ratchathani University, Ubon Ratchathani 34190, Thaila
  • Pukahuta C.
    Department of Biological Sciences, Faculty of Science, Ubon Ratchathani University, Ubon Ratchathani 34190, Thaila
  • Suwanarit P.
    Department of Microbiology, Faculty of Science, Kasetsart University, Bangkok 10903, Thailand
  • Suwanarit A.
    Department of Soil Science, Faculty of Agriculture, Kasetsart University, Bangkok 10903, Thailand
  • Morinaga T.
    Department of Environment Sciences, Faculty of Life andEnvironmental Sciences, Prefectural University of Hiroshima, Shoubara, Hiroshima 727-0023, Japan

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  • Diversity and efficiency of arbuscular mycorrhizal fungi in soils from organic chili (Capsicum frutescens) farms

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<p>No previous studies have been conducted on the diversity and population of arbuscular mycorrhizal fungi (AMF) in relation to organically grown chili (Capsicum frutescens L.) in Thailand. This study was carried out to investigate the diversity and status of AMF populations at four organically managed farms in Ubon Ratchathani and Sisaket provinces. The effects of each AMF species on the growth and nutrient uptake of chili grown in sterile, organically managed soil were determined. Fourteen AM fungal taxa belonging to the genera Acaulospora (4 spp.), Entrophospora (1 sp.), Glomus (7 spp.) and Scutellospora (2 spp.) were found. Among these, Glomus was the dominant genus found at all sites, followed by Acaulospora. The spore density and root colonization of AMF on chili did not vary significantly among the sites. The effects of ten selected AMF species on the growth of chili showed that Gl. clarum RA0305 increased the growth, flowering, and fruit production of chili, and also increased the P uptake significantly, compared to non-mycorrhizal plants. This fungus showed the highest potential as a promoter of growth, flowering and yield in organically managed chili production.</p>

Journal

  • Mycoscience

    Mycoscience 53 (1), 10-16, 2012

    The Mycological Society of Japan

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