Mycorrhizal symbiosis effects on growth of chalk false-brome (Brachypodium pinnatum) are dependent on the environmental light regime.
Identifieur interne : 001964 ( Main/Corpus ); précédent : 001963; suivant : 001965Mycorrhizal symbiosis effects on growth of chalk false-brome (Brachypodium pinnatum) are dependent on the environmental light regime.
Auteurs : Anna Füzy ; Hermann Bothe ; Edit Molnár ; Borbála BirSource :
- Journal of plant physiology [ 1618-1328 ] ; 2014.
English descriptors
- KwdEn :
- Biomass (MeSH), Brachypodium (growth & development), Brachypodium (microbiology), Brachypodium (radiation effects), Environment (MeSH), Hungary (MeSH), Mycorrhizae (physiology), Mycorrhizae (radiation effects), Photometry (MeSH), Photosynthesis (radiation effects), Plant Roots (growth & development), Plant Roots (microbiology), Plant Roots (radiation effects), Soil Microbiology (MeSH), Spectrophotometry, Atomic (MeSH), Stress, Physiological (radiation effects), Symbiosis (radiation effects).
- MESH :
- geographic : Hungary.
- growth & development : Brachypodium, Plant Roots.
- microbiology : Brachypodium, Plant Roots.
- physiology : Mycorrhizae.
- radiation effects : Brachypodium, Mycorrhizae, Photosynthesis, Plant Roots, Stress, Physiological, Symbiosis.
- Biomass, Environment, Photometry, Soil Microbiology, Spectrophotometry, Atomic.
Abstract
AMF (arbuscular mycorrhizal fungi) colonization of the grass chalk false-brome (Brachypodium pinnatum (L.) P. B.) was studied in selected habitats under spatially different light regimes: (a) shade condition under oak trees, (b) half shade in a shrubby area and (c) full-sun conditions on unshaded grassland. This study assessed the variations in AMF colonization of the grass dependent on the light supply in field habitats. Soil, root and shoot samples were collected four times during the vegetation period (in June, July, September and October). Root colonization, root and shoot biomass as well as soil water content were determined. The highest rate of AMF colonization was detected in June under half-sun and full-sun conditions, where about 50% of the roots were colonized. The average amount of arbuscules was less than 20% in the roots at the three sites, with the highest number of arbuscules in June, under half-sun and full-sun conditions, however, not under the trees. Overall, best mycorrhizal colonization occurred during summer, and its rate decreased in autumn. This tendency inversely correlated with the amount of precipitation, and thus with the water content of soils. The high colonization rate of the examined root samples, and also its seasonal fluctuation, might reflect the importance of the symbiosis where inorganic nutrients and water are the growth-limiting factors. The marginal AMF colonization of chalk false-brome under shade conditions indicates that plants do not use AMF under all stress conditions. When low light limits photosynthesis and thus growth of the plants, they dispense with the colonization of AMF in order to save the expenditure of organic carbon.
DOI: 10.1016/j.jplph.2013.11.002
PubMed: 24484951
Links to Exploration step
pubmed:24484951Le document en format XML
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Electronic address: Hermann.Bothe@uni-koeln.de.</nlm:affiliation></affiliation></author><author><name sortKey="Molnar, Edit" sort="Molnar, Edit" uniqKey="Molnar E" first="Edit" last="Molnár">Edit Molnár</name><affiliation><nlm:affiliation>Institute of Ecology and Botany, Centre for Ecological Research, Hungarian Academy of Sciences, Alkotmány út 2-4, H-2163 Vácrátót, Hungary.</nlm:affiliation></affiliation></author><author><name sortKey="Bir, Borbala" sort="Bir, Borbala" uniqKey="Bir B" first="Borbála" last="Bir">Borbála Bir</name><affiliation><nlm:affiliation>Department of Soil Sciences and Water Management, Faculty of Horticulture, Corvinus University of Budapest, Villanyi ut 29-43, H-1018 Budapest, Hungary. 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Electronic address: Hermann.Bothe@uni-koeln.de.</nlm:affiliation></affiliation></author><author><name sortKey="Molnar, Edit" sort="Molnar, Edit" uniqKey="Molnar E" first="Edit" last="Molnár">Edit Molnár</name><affiliation><nlm:affiliation>Institute of Ecology and Botany, Centre for Ecological Research, Hungarian Academy of Sciences, Alkotmány út 2-4, H-2163 Vácrátót, Hungary.</nlm:affiliation></affiliation></author><author><name sortKey="Bir, Borbala" sort="Bir, Borbala" uniqKey="Bir B" first="Borbála" last="Bir">Borbála Bir</name><affiliation><nlm:affiliation>Department of Soil Sciences and Water Management, Faculty of Horticulture, Corvinus University of Budapest, Villanyi ut 29-43, H-1018 Budapest, Hungary. Electronic address: borbala.biro@uni-corvinus.hu.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Journal of plant physiology</title><idno type="eISSN">1618-1328</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biomass (MeSH)</term><term>Brachypodium (growth & development)</term><term>Brachypodium (microbiology)</term><term>Brachypodium (radiation effects)</term><term>Environment (MeSH)</term><term>Hungary (MeSH)</term><term>Mycorrhizae (physiology)</term><term>Mycorrhizae (radiation effects)</term><term>Photometry (MeSH)</term><term>Photosynthesis (radiation effects)</term><term>Plant Roots (growth & development)</term><term>Plant Roots (microbiology)</term><term>Plant Roots (radiation effects)</term><term>Soil Microbiology (MeSH)</term><term>Spectrophotometry, Atomic (MeSH)</term><term>Stress, Physiological (radiation effects)</term><term>Symbiosis (radiation effects)</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Hungary</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Brachypodium</term><term>Plant Roots</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Brachypodium</term><term>Plant Roots</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="radiation effects" xml:lang="en"><term>Brachypodium</term><term>Mycorrhizae</term><term>Photosynthesis</term><term>Plant Roots</term><term>Stress, Physiological</term><term>Symbiosis</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biomass</term><term>Environment</term><term>Photometry</term><term>Soil Microbiology</term><term>Spectrophotometry, Atomic</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">AMF (arbuscular mycorrhizal fungi) colonization of the grass chalk false-brome (Brachypodium pinnatum (L.) P. B.) was studied in selected habitats under spatially different light regimes: (a) shade condition under oak trees, (b) half shade in a shrubby area and (c) full-sun conditions on unshaded grassland. This study assessed the variations in AMF colonization of the grass dependent on the light supply in field habitats. Soil, root and shoot samples were collected four times during the vegetation period (in June, July, September and October). Root colonization, root and shoot biomass as well as soil water content were determined. The highest rate of AMF colonization was detected in June under half-sun and full-sun conditions, where about 50% of the roots were colonized. The average amount of arbuscules was less than 20% in the roots at the three sites, with the highest number of arbuscules in June, under half-sun and full-sun conditions, however, not under the trees. Overall, best mycorrhizal colonization occurred during summer, and its rate decreased in autumn. This tendency inversely correlated with the amount of precipitation, and thus with the water content of soils. The high colonization rate of the examined root samples, and also its seasonal fluctuation, might reflect the importance of the symbiosis where inorganic nutrients and water are the growth-limiting factors. The marginal AMF colonization of chalk false-brome under shade conditions indicates that plants do not use AMF under all stress conditions. When low light limits photosynthesis and thus growth of the plants, they dispense with the colonization of AMF in order to save the expenditure of organic carbon. </div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">24484951</PMID><DateCompleted><Year>2014</Year><Month>09</Month><Day>24</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1618-1328</ISSN><JournalIssue CitedMedium="Internet"><Volume>171</Volume><Issue>5</Issue><PubDate><Year>2014</Year><Month>Mar</Month><Day>01</Day></PubDate></JournalIssue><Title>Journal of plant physiology</Title><ISOAbbreviation>J Plant Physiol</ISOAbbreviation></Journal><ArticleTitle>Mycorrhizal symbiosis effects on growth of chalk false-brome (Brachypodium pinnatum) are dependent on the environmental light regime.</ArticleTitle><Pagination><MedlinePgn>1-6</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.jplph.2013.11.002</ELocationID><ELocationID EIdType="pii" ValidYN="Y">S0176-1617(13)00436-7</ELocationID><Abstract><AbstractText>AMF (arbuscular mycorrhizal fungi) colonization of the grass chalk false-brome (Brachypodium pinnatum (L.) P. B.) was studied in selected habitats under spatially different light regimes: (a) shade condition under oak trees, (b) half shade in a shrubby area and (c) full-sun conditions on unshaded grassland. This study assessed the variations in AMF colonization of the grass dependent on the light supply in field habitats. Soil, root and shoot samples were collected four times during the vegetation period (in June, July, September and October). Root colonization, root and shoot biomass as well as soil water content were determined. The highest rate of AMF colonization was detected in June under half-sun and full-sun conditions, where about 50% of the roots were colonized. The average amount of arbuscules was less than 20% in the roots at the three sites, with the highest number of arbuscules in June, under half-sun and full-sun conditions, however, not under the trees. Overall, best mycorrhizal colonization occurred during summer, and its rate decreased in autumn. This tendency inversely correlated with the amount of precipitation, and thus with the water content of soils. The high colonization rate of the examined root samples, and also its seasonal fluctuation, might reflect the importance of the symbiosis where inorganic nutrients and water are the growth-limiting factors. The marginal AMF colonization of chalk false-brome under shade conditions indicates that plants do not use AMF under all stress conditions. When low light limits photosynthesis and thus growth of the plants, they dispense with the colonization of AMF in order to save the expenditure of organic carbon. </AbstractText><CopyrightInformation>Copyright © 2013 Elsevier GmbH. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Füzy</LastName><ForeName>Anna</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Institute for Soil Sciences and Agricultural Chemistry, Centre for Agricultural Research, Hungarian Academy of Sciences, Herman Ottó út 15, H-1022 Budapest, Hungary.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Bothe</LastName><ForeName>Hermann</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Botanical Institute, The University of Cologne, D-50674 Koeln, Germany. Electronic address: Hermann.Bothe@uni-koeln.de.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Molnár</LastName><ForeName>Edit</ForeName><Initials>E</Initials><AffiliationInfo><Affiliation>Institute of Ecology and Botany, Centre for Ecological Research, Hungarian Academy of Sciences, Alkotmány út 2-4, H-2163 Vácrátót, Hungary.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Biró</LastName><ForeName>Borbála</ForeName><Initials>B</Initials><AffiliationInfo><Affiliation>Department of Soil Sciences and Water Management, Faculty of Horticulture, Corvinus University of Budapest, Villanyi ut 29-43, H-1018 Budapest, Hungary. Electronic address: borbala.biro@uni-corvinus.hu.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2013</Year><Month>12</Month><Day>11</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>J Plant Physiol</MedlineTA><NlmUniqueID>9882059</NlmUniqueID><ISSNLinking>0176-1617</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D018533" MajorTopicYN="N">Biomass</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D058431" MajorTopicYN="N">Brachypodium</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName><QualifierName UI="Q000528" MajorTopicYN="Y">radiation effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004777" MajorTopicYN="N">Environment</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006814" MajorTopicYN="N" Type="Geographic">Hungary</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName><QualifierName UI="Q000528" MajorTopicYN="N">radiation effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010783" MajorTopicYN="N">Photometry</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010788" MajorTopicYN="N">Photosynthesis</DescriptorName><QualifierName UI="Q000528" MajorTopicYN="N">radiation effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName><QualifierName UI="Q000528" MajorTopicYN="N">radiation effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012988" MajorTopicYN="Y">Soil Microbiology</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013054" MajorTopicYN="N">Spectrophotometry, Atomic</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013312" MajorTopicYN="N">Stress, Physiological</DescriptorName><QualifierName UI="Q000528" MajorTopicYN="N">radiation effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013559" MajorTopicYN="N">Symbiosis</DescriptorName><QualifierName UI="Q000528" MajorTopicYN="Y">radiation effects</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Arbuscular mycorrhiza</Keyword><Keyword MajorTopicYN="N">Brachypodium pinnatum</Keyword><Keyword MajorTopicYN="N">Chalk false-brome</Keyword><Keyword MajorTopicYN="N">Light stress</Keyword><Keyword MajorTopicYN="N">Stress-alleviation by mycorrhiza</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2013</Year><Month>06</Month><Day>28</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2013</Year><Month>11</Month><Day>03</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2013</Year><Month>11</Month><Day>05</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2014</Year><Month>2</Month><Day>4</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2014</Year><Month>2</Month><Day>4</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2014</Year><Month>9</Month><Day>25</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">24484951</ArticleId><ArticleId IdType="pii">S0176-1617(13)00436-7</ArticleId><ArticleId IdType="doi">10.1016/j.jplph.2013.11.002</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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