Extraradical development and contribution to plant performance of an arbuscular mycorrhizal symbiosis exposed to complete or partial rootzone drying.
Identifieur interne : 002939 ( Main/Corpus ); précédent : 002938; suivant : 002940Extraradical development and contribution to plant performance of an arbuscular mycorrhizal symbiosis exposed to complete or partial rootzone drying.
Auteurs : Elke Neumann ; Barbara Schmid ; Volker Römheld ; Eckhard GeorgeSource :
- Mycorrhiza [ 1432-1890 ] ; 2009.
English descriptors
- KwdEn :
- Droughts (MeSH), Glomeromycota (growth & development), Glomeromycota (metabolism), Ipomoea batatas (growth & development), Ipomoea batatas (microbiology), Mycelium (growth & development), Mycorrhizae (growth & development), Mycorrhizae (metabolism), Phosphates (metabolism), Plant Roots (growth & development), Plant Roots (microbiology), Soil (analysis), Symbiosis (MeSH), Water (analysis).
- MESH :
- chemical , analysis : Soil, Water.
- chemical , metabolism : Phosphates.
- growth & development : Glomeromycota, Ipomoea batatas, Mycelium, Mycorrhizae, Plant Roots.
- metabolism : Glomeromycota, Mycorrhizae.
- microbiology : Ipomoea batatas, Plant Roots.
- Droughts, Symbiosis.
Abstract
Sweet potato plants were grown with or without Glomus intraradices in split-root pots with adjacent root compartments containing a soil with a low availability of phosphate. One fungal tube, from which root growth was excluded, was inserted into each root compartment. During 4 weeks before harvest, the soil moisture level in either both or only one of the two root-compartments of each pot was decreased. Controls remained well watered. Low soil moisture generally had a negative effect on the amount of extraradical mycelium of G. intraradices extracted from the fungal tubes. Sporulation in the fungal tubes was much higher compared with the soil in the root compartment, but remained unaffected by the soil moisture regime. Concentrations of P in extraradical mycelium were much lower than usually found in plants and fungi, while P concentrations in associated mycorrhizal host plant tissues were in an optimum range. This suggests efficient transfer of P from the extraradical mycelium to the host plant. Despite the negative effect of a low soil moisture regime on extraradical G. intraradices development, the symbiosis indeed contributed significantly to P uptake of plants exposed to partial rootzone drying. The possibility that extraradical arbuscular mycorrhizal fungal development was limited by P availability under dry soil conditions is discussed.
DOI: 10.1007/s00572-009-0259-9
PubMed: 19499252
Links to Exploration step
pubmed:19499252Le document en format XML
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Neumann@igzev.de.</nlm:affiliation></affiliation></author><author><name sortKey="Schmid, Barbara" sort="Schmid, Barbara" uniqKey="Schmid B" first="Barbara" last="Schmid">Barbara Schmid</name><affiliation><nlm:affiliation>Institute of Plant Nutrition (330), Hohenheim University, 70593, Stuttgart, Germany.</nlm:affiliation></affiliation></author><author><name sortKey="Romheld, Volker" sort="Romheld, Volker" uniqKey="Romheld V" first="Volker" last="Römheld">Volker Römheld</name><affiliation><nlm:affiliation>Institute of Plant Nutrition (330), Hohenheim University, 70593, Stuttgart, Germany.</nlm:affiliation></affiliation></author><author><name sortKey="George, Eckhard" sort="George, Eckhard" uniqKey="George E" first="Eckhard" last="George">Eckhard George</name><affiliation><nlm:affiliation>Institute of Vegetable and Ornamental Crops (IGZ), 14979, Grossbeeren, Germany.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2009">2009</date><idno type="RBID">pubmed:19499252</idno><idno type="pmid">19499252</idno><idno type="doi">10.1007/s00572-009-0259-9</idno><idno type="wicri:Area/Main/Corpus">002939</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">002939</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Extraradical development and contribution to plant performance of an arbuscular mycorrhizal symbiosis exposed to complete or partial rootzone drying.</title><author><name sortKey="Neumann, Elke" sort="Neumann, Elke" uniqKey="Neumann E" first="Elke" last="Neumann">Elke Neumann</name><affiliation><nlm:affiliation>Institute of Vegetable and Ornamental Crops (IGZ), 14979, Grossbeeren, Germany. Neumann@igzev.de.</nlm:affiliation></affiliation></author><author><name sortKey="Schmid, Barbara" sort="Schmid, Barbara" uniqKey="Schmid B" first="Barbara" last="Schmid">Barbara Schmid</name><affiliation><nlm:affiliation>Institute of Plant Nutrition (330), Hohenheim University, 70593, Stuttgart, Germany.</nlm:affiliation></affiliation></author><author><name sortKey="Romheld, Volker" sort="Romheld, Volker" uniqKey="Romheld V" first="Volker" last="Römheld">Volker Römheld</name><affiliation><nlm:affiliation>Institute of Plant Nutrition (330), Hohenheim University, 70593, Stuttgart, Germany.</nlm:affiliation></affiliation></author><author><name sortKey="George, Eckhard" sort="George, Eckhard" uniqKey="George E" first="Eckhard" last="George">Eckhard George</name><affiliation><nlm:affiliation>Institute of Vegetable and Ornamental Crops (IGZ), 14979, Grossbeeren, Germany.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Mycorrhiza</title><idno type="eISSN">1432-1890</idno><imprint><date when="2009" type="published">2009</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Droughts (MeSH)</term><term>Glomeromycota (growth & development)</term><term>Glomeromycota (metabolism)</term><term>Ipomoea batatas (growth & development)</term><term>Ipomoea batatas (microbiology)</term><term>Mycelium (growth & development)</term><term>Mycorrhizae (growth & development)</term><term>Mycorrhizae (metabolism)</term><term>Phosphates (metabolism)</term><term>Plant Roots (growth & development)</term><term>Plant Roots (microbiology)</term><term>Soil (analysis)</term><term>Symbiosis (MeSH)</term><term>Water (analysis)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Soil</term><term>Water</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Phosphates</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Glomeromycota</term><term>Ipomoea batatas</term><term>Mycelium</term><term>Mycorrhizae</term><term>Plant Roots</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Glomeromycota</term><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Ipomoea batatas</term><term>Plant Roots</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Droughts</term><term>Symbiosis</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Sweet potato plants were grown with or without Glomus intraradices in split-root pots with adjacent root compartments containing a soil with a low availability of phosphate. One fungal tube, from which root growth was excluded, was inserted into each root compartment. During 4 weeks before harvest, the soil moisture level in either both or only one of the two root-compartments of each pot was decreased. Controls remained well watered. Low soil moisture generally had a negative effect on the amount of extraradical mycelium of G. intraradices extracted from the fungal tubes. Sporulation in the fungal tubes was much higher compared with the soil in the root compartment, but remained unaffected by the soil moisture regime. Concentrations of P in extraradical mycelium were much lower than usually found in plants and fungi, while P concentrations in associated mycorrhizal host plant tissues were in an optimum range. This suggests efficient transfer of P from the extraradical mycelium to the host plant. Despite the negative effect of a low soil moisture regime on extraradical G. intraradices development, the symbiosis indeed contributed significantly to P uptake of plants exposed to partial rootzone drying. The possibility that extraradical arbuscular mycorrhizal fungal development was limited by P availability under dry soil conditions is discussed.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">19499252</PMID><DateCompleted><Year>2010</Year><Month>01</Month><Day>12</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1432-1890</ISSN><JournalIssue CitedMedium="Internet"><Volume>20</Volume><Issue>1</Issue><PubDate><Year>2009</Year><Month>Nov</Month></PubDate></JournalIssue><Title>Mycorrhiza</Title><ISOAbbreviation>Mycorrhiza</ISOAbbreviation></Journal><ArticleTitle>Extraradical development and contribution to plant performance of an arbuscular mycorrhizal symbiosis exposed to complete or partial rootzone drying.</ArticleTitle><Pagination><MedlinePgn>13-23</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s00572-009-0259-9</ELocationID><Abstract><AbstractText>Sweet potato plants were grown with or without Glomus intraradices in split-root pots with adjacent root compartments containing a soil with a low availability of phosphate. One fungal tube, from which root growth was excluded, was inserted into each root compartment. During 4 weeks before harvest, the soil moisture level in either both or only one of the two root-compartments of each pot was decreased. Controls remained well watered. Low soil moisture generally had a negative effect on the amount of extraradical mycelium of G. intraradices extracted from the fungal tubes. Sporulation in the fungal tubes was much higher compared with the soil in the root compartment, but remained unaffected by the soil moisture regime. Concentrations of P in extraradical mycelium were much lower than usually found in plants and fungi, while P concentrations in associated mycorrhizal host plant tissues were in an optimum range. This suggests efficient transfer of P from the extraradical mycelium to the host plant. Despite the negative effect of a low soil moisture regime on extraradical G. intraradices development, the symbiosis indeed contributed significantly to P uptake of plants exposed to partial rootzone drying. The possibility that extraradical arbuscular mycorrhizal fungal development was limited by P availability under dry soil conditions is discussed.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Neumann</LastName><ForeName>Elke</ForeName><Initials>E</Initials><AffiliationInfo><Affiliation>Institute of Vegetable and Ornamental Crops (IGZ), 14979, Grossbeeren, Germany. Neumann@igzev.de.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Schmid</LastName><ForeName>Barbara</ForeName><Initials>B</Initials><AffiliationInfo><Affiliation>Institute of Plant Nutrition (330), Hohenheim University, 70593, Stuttgart, Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Römheld</LastName><ForeName>Volker</ForeName><Initials>V</Initials><AffiliationInfo><Affiliation>Institute of Plant Nutrition (330), Hohenheim University, 70593, Stuttgart, Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>George</LastName><ForeName>Eckhard</ForeName><Initials>E</Initials><AffiliationInfo><Affiliation>Institute of Vegetable and Ornamental Crops (IGZ), 14979, Grossbeeren, Germany.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2009</Year><Month>06</Month><Day>05</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>Mycorrhiza</MedlineTA><NlmUniqueID>100955036</NlmUniqueID><ISSNLinking>0940-6360</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010710">Phosphates</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012987">Soil</NameOfSubstance></Chemical><Chemical><RegistryNumber>059QF0KO0R</RegistryNumber><NameOfSubstance UI="D014867">Water</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D055864" MajorTopicYN="N">Droughts</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D055137" MajorTopicYN="Y">Glomeromycota</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000378" 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