Ectomycorrhizal fungal community associated with naturally regenerating Pinus densiflora Sieb. et Zucc. seedlings on exposed granite slopes along woodland paths

Obase, Keisuke; Young, Joo; Lee, Jong Kyu; Lee, Sang Yong; Chun, Kun Woo

doi:10.1007/s10310-011-0301-6

Cited by 5 publications

(3 citation statements)

References 27 publications

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“…In total, 23 EMF species were identified in seedlings from the streamside habitat and the nearby forest (three ascomycetes and 20 basidiomycetes), all of which were similar to the commonly reported EMF species of red pine seedlings in forests and disturbed areas [17,18,[24][25][26]. The EMF diversity of the red pine seedlings from the streamside region was lower than that of the seedlings from the forest, although more streamside seedlings were assessed.…”

Section: Discussionsupporting

confidence: 52%

“…Furthermore, C. geophilum is assumed to exert a negative impact on the growth and colonization of L. japonica at root tips [38]; therefore, its absence could have provided an opportunity for L. japonica to colonize the streamside red pine seedlings. T. terrestris, which is also common in red pine seedlings [25], was abundant in both the forest and streamside seedlings, and is also hydrophilic [37]. Unlike C. geophilum, T. terrestris is relatively insensitive to flooding [13].…”

Section: Discussionmentioning

confidence: 99%

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Ectomycorrhizal Fungi Associated with Pinus densiflora Seedlings under Flooding Stress

et al. 2021

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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.

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Section: Discussionsupporting

confidence: 52%

Section: Discussionmentioning

confidence: 99%

Ectomycorrhizal Fungi Associated with Pinus densiflora Seedlings under Flooding Stress

et al. 2021

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“…Several ECMF have also great added value as a non-timber forest product due to their edibility; and high price in the international markets (Yun & Hall 2004). The inoculated fungi were selected because they: belong to genera which contain pioneer species (Obase et al 2007(Obase et al , 2012, are frequently associated with seedlings in greenhouse (Obase et al 2012), tolerate lowfertility conditions (Trocha et al 2007) and establish ectomycorrhizae with a wide range of host plants (Cairney & Chambers 2013). Additionally, Laccaria trichodermophora G. M. Muell.…”

mentioning

confidence: 99%

Nutrient mobilization, growth and field survival of Pinus pringlei inoculated with three ectomycorrhizal mushrooms

et al. 2018

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Background. All of the Pinaceae require the ectomycorrhizal interaction to survive under field conditions. However, their use has not traditionally been considered in the production of forest plants in Neotropical areas.Hypothesis. There will be an increase in plant quality in greenhouse and in survival in the field of Pinus pringlei inoculated with ectomycorrhizal fungi (ECMF).Site of study. The experiment was carried out in Texcoco, Mexico, in two sites: i) greenhouse of the Colegio de Postgraduados; and ii) in the field, in the San Pablo Ixayoc town.Methods. P. pringlei plants, a native species of Mexico, were inoculated with the ECMF: i) Hebeloma alpinum (Ha); ii) Laccaria trichodermophora (Lt); and iii) Thelephora terrestris (Tt). The effect of this inoculation on plant growth and nutritient translocation was evaluated. A morphological and molecular characterization of ectomycorrhizal roots and an evaluation of the seedling field survival were carried out, and compared with non-inoculated plants.Results. Pinus pringlei plants inoculated with ECMF increased their growth and nutrient content. A significant nutritional allocation from root to stem mainly of K, Fe, and Zn was recorded.The morpho-anatomical and molecular characterization showed the presence of Ha, Lt and Tt in ectomycorrhizal roots. Two-year old plants mainly inoculated with Ha and Tt showed higher survival in the field than non-inoculated plants.Conclusions. The beneficial effects of ECMF on P. pringlei growth, nutrimental translocation (mainly on K, Fe and Zn), and field survival rates are reported for the first time.

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Ectomycorrhizal fungal communities in alpine relict forests of Pinus pumila on Mt. Norikura, Japan

2018

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Ectomycorrhizal (ECM) symbioses are indispensable for the establishment of host trees, yet available information of ECM symbiosis in alpine forests is scarce. Pinus pumila is a typical ice age relict tree species in Japan and often forms monodominant dwarf vegetation above the tree line in mountains. We studied ECM fungi colonizing P. pumila on Mt. Norikura, Japan, with reference to host developmental stages, i.e., from current-year seedlings to mature trees. ECM fungal species were identified based on rDNA ITS sequences. Ninety-two ECM fungal species were confirmed from a total of 2480 root tips examined. Species in /suillus-rhizopogon and /wilcoxina were dominant in seedling roots. ECM fungal diversity increased with host development, due to the addition of species-rich fungal lineages (/cenococcum, /cortinarius, and /russula-lactarius) in late-successional stages. Such successional pattern of ECM fungi is similar to those in temperate pine systems, suggesting the predominant role of /suillus-rhizopogon in seedling establishment, even in relict alpine habitats fragmented and isolated for a geological time period. Most of the ECM fungi detected were also recorded in Europe or North America, indicating their potential Holarctic distribution and the possibility of their comigration with P. pumila through land bridges during ice ages. In addition, we found significant effects of soil properties on ECM fungal communities, which explained 34.1% of the total variation of the fungal communities. While alpine vegetation is regarded as vulnerable to the ongoing global warming, ECM fungal communities associated with P. pumila could be altered by the edaphic change induced by the warming.

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Ectomycorrhizal fungal community associated with naturally regenerating Pinus densiflora Sieb. et Zucc. seedlings on exposed granite slopes along woodland paths

Cited by 5 publications

References 27 publications

Ectomycorrhizal Fungi Associated with Pinus densiflora Seedlings under Flooding Stress

Ectomycorrhizal Fungi Associated with Pinus densiflora Seedlings under Flooding Stress

Nutrient mobilization, growth and field survival of <em>Pinus pringlei</em> inoculated with three ectomycorrhizal mushrooms

Ectomycorrhizal fungal communities in alpine relict forests of Pinus pumila on Mt. Norikura, Japan

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