Mycobiology

  • 제46권2호
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  • Pages.122-128
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  • 2018
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  • 1229-8093(pISSN)
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  • 2092-9323(eISSN)
한국균학회 (The Korean Society of Mycology)
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Effects of Long-Term Subcultured Arbuscular Mycorrhizal Fungi on Red Pepper Plant Growth and Soil Glomalin Content

  • Selvakumar, Gopal (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • Yi, Pyoung Ho (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • Lee, Seong Eun (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • Shagol, Charlotte C. (Department of Agronomy, Benguet State University) ;
  • Han, Seung Gab (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • Sa, Tongmin (Department of Environmental and Biological Chemistry, Chungbuk National University) ;
  • Chung, Bong Nam (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, Rural Development Administration)
  • 투고 : 2017.08.12
  • 심사 : 2017.12.24
  • 발행 : 2018.06.01
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초록

Arbuscular mycorrhizal fungi (AMF) are well-known for their ability to improve plant growth and help plants withstand abiotic stress conditions. Unlike other fungi and bacteria, AMF cannot be stored, as they are obligate biotrophs. Long-term preservation of AMF spores is challenging and may lead to the loss of viability and efficiency. This study aimed to understand the effect of prolonged subculture of AMF species on the growth and glomalin-related soil protein (GRSP) from red pepper (Capsicum annuum L.). AMF spores were mass-produced using different techniques and subcultured in pots with sorghum sudangrass as the host plant for 3 years. Experimental soil samples were collected from natural grassland. Five different AMF inocula were used in triplicate as treatments. After 70 days of growth, red pepper plants were harvested and plant dry weight, plant nutrient content, mycorrhizal colonization, AMF spore count, and soil glomalin content were determined. AMF-treated plants displayed higher dry weight than controls, with only fruit dry weight being significantly different. Similarly, significant differences in phosphorous and potassium contents of the above-ground plant parts were observed between mycorrhizal and control treatments. In addition, soil GRSP content was significantly higher in plants inoculated with Rhizophagus sp. and Gigaspora margarita. The increased plant growth and GRSP content suggest that AMF can be maintained for 3 years without losing their efficiency if subcultured regularly with different symbiotic host plants.

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참고문헌

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  3. Arbuscular mycorrhizal-like fungi and glomalin-related soil protein drive the distributions of carbon and nitrogen in a large scale vol.20, pp.2, 2020, https://doi.org/10.1007/s11368-019-02421-4
  4. Biochar Alters Soil Physical Characteristics, Arbuscular Mycorrhizal Fungi Colonization, and Glomalin Production vol.10, pp.12, 2018, https://doi.org/10.3390/agronomy10121933
  5. Glycoproteins of arbuscular mycorrhiza for soil carbon sequestration: Review of mechanisms and controls vol.806, pp.p2, 2018, https://doi.org/10.1016/j.scitotenv.2021.150571