MycorrhizaeV1, Main, Corpus, bibRecord, 003926

Mycorrhizal promotion of host stomatal conductance in relation to irradiance and temperature.

Identifieur interne : 003926 ( Main/Corpus ); précédent : 003925; suivant : 003927

Mycorrhizal promotion of host stomatal conductance in relation to irradiance and temperature.

Auteurs : Robert M. Augé ; Jennifer L. Moore ; David M. Sylvia ; Keunho Cho

Source :

Mycorrhiza [ 0940-6360 ] ; 2004.

RBID : pubmed:12743838

English descriptors

KwdEn :
- Fungi (physiology), Mycorrhizae (physiology), Plant Leaves (physiology), Plant Transpiration (physiology), Sorghum (microbiology), Sorghum (physiology), Sunlight (MeSH), Temperature (MeSH).
MESH :
- microbiology : Sorghum.
- physiology : Fungi, Mycorrhizae, Plant Leaves, Plant Transpiration, Sorghum.
- Sunlight, Temperature.

Abstract

Colonization of roots and soil by arbuscular mycorrhizal (AM) fungi sometimes promotes stomatal conductance (gs) of the host plant, but scientists have had difficulty predicting or manipulating the response. Our objective was to test whether the magnitude of AM influence on gs is related to environmental conditions: irradiance, air temperature or leaf temperature. Stomatal conductances of two groups of uncolonized sorghum plants were compared to gs of plants colonized by Glomus intraradices (Gi) or Gigaspora margarita (Gm) in 31 morning and afternoon periods under naturally varying greenhouse conditions. Stomatal conductance of Gi and Gm plants was often markedly higher than gs of similarly sized nonAM plants. AM promotion of gs was minimal at the lowest irradiances and lowest air and leaf temperatures, but was substantial at intermediate irradiance and temperatures. AM promotion was again low or absent at the highest irradiances and temperatures. Magnitude of AM promotion of gs was not a function of absolute gs. Promotion of gs by Gi and Gm was remarkably similar. Differing phosphorus fertilization did not affect gs.

DOI: 10.1007/s00572-003-0241-x
PubMed: 12743838

Links to Exploration step

pubmed:12743838

Le document en format XML

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<author><name sortKey="Auge, Robert M" sort="Auge, Robert M" uniqKey="Auge R" first="Robert M" last="Augé">Robert M. Augé</name>
<affiliation><nlm:affiliation>Department of Plant Sciences, University of Tennessee, 2431 Center Dr., Knoxville, TN 37996-4561, USA. auge@utk.edu</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Moore, Jennifer L" sort="Moore, Jennifer L" uniqKey="Moore J" first="Jennifer L" last="Moore">Jennifer L. Moore</name>
</author>
<author><name sortKey="Sylvia, David M" sort="Sylvia, David M" uniqKey="Sylvia D" first="David M" last="Sylvia">David M. Sylvia</name>
</author>
<author><name sortKey="Cho, Keunho" sort="Cho, Keunho" uniqKey="Cho K" first="Keunho" last="Cho">Keunho Cho</name>
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<author><name sortKey="Auge, Robert M" sort="Auge, Robert M" uniqKey="Auge R" first="Robert M" last="Augé">Robert M. Augé</name>
<affiliation><nlm:affiliation>Department of Plant Sciences, University of Tennessee, 2431 Center Dr., Knoxville, TN 37996-4561, USA. auge@utk.edu</nlm:affiliation>
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<author><name sortKey="Moore, Jennifer L" sort="Moore, Jennifer L" uniqKey="Moore J" first="Jennifer L" last="Moore">Jennifer L. Moore</name>
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<author><name sortKey="Sylvia, David M" sort="Sylvia, David M" uniqKey="Sylvia D" first="David M" last="Sylvia">David M. Sylvia</name>
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<author><name sortKey="Cho, Keunho" sort="Cho, Keunho" uniqKey="Cho K" first="Keunho" last="Cho">Keunho Cho</name>
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<series><title level="j">Mycorrhiza</title>
<idno type="ISSN">0940-6360</idno>
<imprint><date when="2004" type="published">2004</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Fungi (physiology)</term>
<term>Mycorrhizae (physiology)</term>
<term>Plant Leaves (physiology)</term>
<term>Plant Transpiration (physiology)</term>
<term>Sorghum (microbiology)</term>
<term>Sorghum (physiology)</term>
<term>Sunlight (MeSH)</term>
<term>Temperature (MeSH)</term>
</keywords>
<keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Sorghum</term>
</keywords>
<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Fungi</term>
<term>Mycorrhizae</term>
<term>Plant Leaves</term>
<term>Plant Transpiration</term>
<term>Sorghum</term>
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<term>Temperature</term>
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<front><div type="abstract" xml:lang="en">Colonization of roots and soil by arbuscular mycorrhizal (AM) fungi sometimes promotes stomatal conductance (gs) of the host plant, but scientists have had difficulty predicting or manipulating the response. Our objective was to test whether the magnitude of AM influence on gs is related to environmental conditions: irradiance, air temperature or leaf temperature. Stomatal conductances of two groups of uncolonized sorghum plants were compared to gs of plants colonized by Glomus intraradices (Gi) or Gigaspora margarita (Gm) in 31 morning and afternoon periods under naturally varying greenhouse conditions. Stomatal conductance of Gi and Gm plants was often markedly higher than gs of similarly sized nonAM plants. AM promotion of gs was minimal at the lowest irradiances and lowest air and leaf temperatures, but was substantial at intermediate irradiance and temperatures. AM promotion was again low or absent at the highest irradiances and temperatures. Magnitude of AM promotion of gs was not a function of absolute gs. Promotion of gs by Gi and Gm was remarkably similar. Differing phosphorus fertilization did not affect gs.</div>
</front>
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<pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">12743838</PMID>
<DateCompleted><Year>2005</Year>
<Month>03</Month>
<Day>29</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>2</Issue>
<PubDate><Year>2004</Year>
<Month>Apr</Month>
</PubDate>
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<Title>Mycorrhiza</Title>
<ISOAbbreviation>Mycorrhiza</ISOAbbreviation>
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<ArticleTitle>Mycorrhizal promotion of host stomatal conductance in relation to irradiance and temperature.</ArticleTitle>
<Pagination><MedlinePgn>85-92</MedlinePgn>
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<Abstract><AbstractText>Colonization of roots and soil by arbuscular mycorrhizal (AM) fungi sometimes promotes stomatal conductance (gs) of the host plant, but scientists have had difficulty predicting or manipulating the response. Our objective was to test whether the magnitude of AM influence on gs is related to environmental conditions: irradiance, air temperature or leaf temperature. Stomatal conductances of two groups of uncolonized sorghum plants were compared to gs of plants colonized by Glomus intraradices (Gi) or Gigaspora margarita (Gm) in 31 morning and afternoon periods under naturally varying greenhouse conditions. Stomatal conductance of Gi and Gm plants was often markedly higher than gs of similarly sized nonAM plants. AM promotion of gs was minimal at the lowest irradiances and lowest air and leaf temperatures, but was substantial at intermediate irradiance and temperatures. AM promotion was again low or absent at the highest irradiances and temperatures. Magnitude of AM promotion of gs was not a function of absolute gs. Promotion of gs by Gi and Gm was remarkably similar. Differing phosphorus fertilization did not affect gs.</AbstractText>
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<Initials>RM</Initials>
<AffiliationInfo><Affiliation>Department of Plant Sciences, University of Tennessee, 2431 Center Dr., Knoxville, TN 37996-4561, USA. auge@utk.edu</Affiliation>
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<ForeName>Jennifer L</ForeName>
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<Author ValidYN="Y"><LastName>Sylvia</LastName>
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<Author ValidYN="Y"><LastName>Cho</LastName>
<ForeName>Keunho</ForeName>
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<MedlineJournalInfo><Country>Germany</Country>
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<MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName>
<QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName>
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<MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName>
<QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName>
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<MeshHeading><DescriptorName UI="D018526" MajorTopicYN="N">Plant Transpiration</DescriptorName>
<QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName>
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<MeshHeading><DescriptorName UI="D045868" MajorTopicYN="N">Sorghum</DescriptorName>
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<ReferenceList><Reference><Citation>Plant Physiol. 1974 Aug;54(2):201-7</Citation>
<ArticleIdList><ArticleId IdType="pubmed">16658860</ArticleId>
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</Reference>
<Reference><Citation>Plant Physiol. 1987 Sep;85(1):120-3</Citation>
<ArticleIdList><ArticleId IdType="pubmed">16665642</ArticleId>
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<Reference><Citation>Oecologia. 1995 Jul;103(1):17-23</Citation>
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Mycorrhizal promotion of host stomatal conductance in relation to irradiance and temperature.

Mycorrhizal promotion of host stomatal conductance in relation to irradiance and temperature.

Source :

English descriptors

Abstract

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki