Development, persistence and regeneration of foraging ectomycorrhizal mycelial systems in soil microcosms.
Identifieur interne : 003800 ( Main/Exploration ); précédent : 003799; suivant : 003801Development, persistence and regeneration of foraging ectomycorrhizal mycelial systems in soil microcosms.
Auteurs : Damian P. Donnelly [Royaume-Uni] ; Lynne Boddy ; Jonathan R. LeakeSource :
- Mycorrhiza [ 0940-6360 ] ; 2004.
Descripteurs français
- KwdFr :
- MESH :
- croissance et développement : Basidiomycota, Mycelium, Mycorhizes.
- microbiologie : Pinus, Plant.
- physiologie : Régénération.
- Microbiologie du sol, Écosystème.
English descriptors
- KwdEn :
- MESH :
- growth & development : Basidiomycota, Mycelium, Mycorrhizae.
- microbiology : Pinus, Seedlings.
- physiology : Regeneration.
- Ecosystem, Soil Microbiology.
Abstract
Development of extraradical mycelia of two strains each of Paxillus involutus and Suillus bovinus in ectomycorrhizal association with Pinus sylvestris seedlings was studied in two dimensions in non-sterile soil microcosms. There were significant inter- and intra-specific differences in extraradical mycelial growth and morphology. The mycelial systems of both strains of P. involutus were diffuse and extended more rapidly than those of S. bovinus. Depending on the strain, P. involutus mycelia were either highly plane filled, with high mass fractal dimension (a measure of space filling) or sparse, low mass fractal dimension systems. Older mycelial systems persisted as linear cords interlinking ectomycorrhizal tips. S. bovinus produced either a mycelium with a mixture of mycelial cords and diffuse fans that rapidly filled explorable area, or a predominately corded mycelium of minimal area cover. In the soil microcosms, mass fractal dimension and mycelial cover tended to increase with time, mycelia encountering litter having significantly greater values. Results are discussed in terms of the ecology of these fungi, their foraging activities and functional importance in forest ecosystems.
DOI: 10.1007/s00572-003-0275-0
PubMed: 14598131
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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There were significant inter- and intra-specific differences in extraradical mycelial growth and morphology. The mycelial systems of both strains of P. involutus were diffuse and extended more rapidly than those of S. bovinus. Depending on the strain, P. involutus mycelia were either highly plane filled, with high mass fractal dimension (a measure of space filling) or sparse, low mass fractal dimension systems. Older mycelial systems persisted as linear cords interlinking ectomycorrhizal tips. S. bovinus produced either a mycelium with a mixture of mycelial cords and diffuse fans that rapidly filled explorable area, or a predominately corded mycelium of minimal area cover. In the soil microcosms, mass fractal dimension and mycelial cover tended to increase with time, mycelia encountering litter having significantly greater values. Results are discussed in terms of the ecology of these fungi, their foraging activities and functional importance in forest ecosystems.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">14598131</PMID><DateCompleted><Year>2005</Year><Month>03</Month><Day>28</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0940-6360</ISSN><JournalIssue CitedMedium="Print"><Volume>14</Volume><Issue>1</Issue><PubDate><Year>2004</Year><Month>Feb</Month></PubDate></JournalIssue><Title>Mycorrhiza</Title><ISOAbbreviation>Mycorrhiza</ISOAbbreviation></Journal><ArticleTitle>Development, persistence and regeneration of foraging ectomycorrhizal mycelial systems in soil microcosms.</ArticleTitle><Pagination><MedlinePgn>37-45</MedlinePgn></Pagination><Abstract><AbstractText>Development of extraradical mycelia of two strains each of Paxillus involutus and Suillus bovinus in ectomycorrhizal association with Pinus sylvestris seedlings was studied in two dimensions in non-sterile soil microcosms. There were significant inter- and intra-specific differences in extraradical mycelial growth and morphology. The mycelial systems of both strains of P. involutus were diffuse and extended more rapidly than those of S. bovinus. Depending on the strain, P. involutus mycelia were either highly plane filled, with high mass fractal dimension (a measure of space filling) or sparse, low mass fractal dimension systems. Older mycelial systems persisted as linear cords interlinking ectomycorrhizal tips. S. bovinus produced either a mycelium with a mixture of mycelial cords and diffuse fans that rapidly filled explorable area, or a predominately corded mycelium of minimal area cover. In the soil microcosms, mass fractal dimension and mycelial cover tended to increase with time, mycelia encountering litter having significantly greater values. 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Leake</name></noCountry><country name="Royaume-Uni"><noRegion><name sortKey="Donnelly, Damian P" sort="Donnelly, Damian P" uniqKey="Donnelly D" first="Damian P" last="Donnelly">Damian P. Donnelly</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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