Ectomycorrhizal Fungi Associated with Pinus densiflora Seedlings under Flooding Stress

Yoonhee Cho, Shinnam Yoo, Myung Soo Park, Ji Seon Kim, Chang Sun Kim and Young Woon Lim
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Yoonhee Cho: Institute of Microbiology, School of Biological Sciences, Seoul National University, Seoul 08826, Korea
Shinnam Yoo: Institute of Microbiology, School of Biological Sciences, Seoul National University, Seoul 08826, Korea
Myung Soo Park: Institute of Microbiology, School of Biological Sciences, Seoul National University, Seoul 08826, Korea
Ji Seon Kim: Institute of Microbiology, School of Biological Sciences, Seoul National University, Seoul 08826, Korea
Chang Sun Kim: Forest Biodiversity Division, Korea National Arboretum, Pocheon-si 11186, Korea
Young Woon Lim: Institute of Microbiology, School of Biological Sciences, Seoul National University, Seoul 08826, Korea

Sustainability, 2021, vol. 13, issue 8, 1-10

Abstract: Flooding is an environmental stress for plants that not only limits aeration and nutrient acquisition, but also disturbs underground plant-associated fungal communities. Despite frequent flooding, red pine ( Pinus densiflora ) seedlings thrive in streamside environments. However, whether the compatible ectomycorrhizal fungi (EMF) of red pine are affected by natural flooding is unclear. As EMF are vital symbionts for the development of many trees and allow them to overcome various environmental stresses, in this study, the EMF species associated with red pine seedlings in a streamside environment in Korea were investigated after flooding. The EMF species in 47 seedlings collected from the streamside site were identified by observing their different morphotypes using internal transcribed spacer sequence analysis, and a total of 10 EMF species were identified. The EMF species diversity was lower than that in samples collected from a nearby forest analyzed as a control. The dominant EMF species of streamside seedlings included Amphinema spp., Rhizopogon luteolus , Suillus luteus , and Thelephora terrestris . This study could serve as a basis for investigating the mechanisms by which advantageous EMF aid plant development under flooding stress.

Keywords: ectomycorrhizal fungi; flooding stress; red pine seedling; streamside (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
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