Spatiotemporal variation of arbuscular mycorrhizal fungal colonization in olive (Olea europaea L.) roots across a broad mesic-xeric climatic gradient in North Africa.
Identifieur interne : 000D93 ( Main/Corpus ); précédent : 000D92; suivant : 000D94Spatiotemporal variation of arbuscular mycorrhizal fungal colonization in olive (Olea europaea L.) roots across a broad mesic-xeric climatic gradient in North Africa.
Auteurs : Amel Meddad-Hamza ; Nabila Hamza ; Souad Neffar ; Arifa Beddiar ; Silvio Gianinazzi ; Haroun ChenchouniSource :
- The Science of the total environment [ 1879-1026 ] ; 2017.
English descriptors
- KwdEn :
- Africa, Northern (MeSH), Algeria (MeSH), Biodiversity (MeSH), Environmental Monitoring (MeSH), Glomeromycota (MeSH), Mycorrhizae (classification), Mycorrhizae (growth & development), Olea (MeSH), Plant Roots (microbiology), Rhizosphere (MeSH), Seasons (MeSH), Soil (MeSH), Soil Microbiology (MeSH), Spores, Fungal (MeSH).
- MESH :
- chemical : Soil.
- classification : Mycorrhizae.
- growth & development : Mycorrhizae.
- microbiology : Plant Roots.
- Africa, Northern, Algeria, Biodiversity, Environmental Monitoring, Glomeromycota, Olea, Rhizosphere, Seasons, Soil Microbiology, Spores, Fungal.
Abstract
This study aims to determine the spatiotemporal dynamics of root colonization and spore density of arbuscular mycorrhizal fungi (AMF) in the rhizosphere of olive trees (Olea europaea) with different plantation ages and under different climatic areas in Algeria. Soil and root samples were seasonally collected from three olive plantations of different ages. Other samples were carried out in productive olive orchards cultivated under a climatic gradient (desertic, semi-arid, subhumid, and humid). The olive varieties analysed in this study were Blanquette, Rougette, Chemlel and the wild-olive. Spore density, mycorrhization intensity (M%), spore diversity and the most probable number (MPN) were determined. Both the intensity of mycorrhizal colonization and spore density increased with the increase of seasonal precipitation and decreased with the increase of air temperature regardless of the climatic region or olive variety. The variety Rougette had the highest mycorrhizal levels in all plantation ages and climates. Spore community was composed of the genera Rhizophagus, Funneliformis, Glomus, Septoglomus, Gigaspora, Scutellospora and Entrophospora. The genus Glomus, with four species, predominated in all climate regions. Spores of Gigaspora sp. and Scutellospora sp. were the most abundant in desertic plantations. Statistical models indicated a positive relationship between spore density and M% during spring and winter in young seedlings and old plantations. A significant positive relationship was found between MPN and spore density under different climates. For a mycotrophic species, the rhizosphere of olive trees proved to be poor in mycorrhiza in terms of mycorrhizal colonization and numbers of the infective AMF propagules.
DOI: 10.1016/j.scitotenv.2017.01.049
PubMed: 28094046
Links to Exploration step
pubmed:28094046Le document en format XML
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Electronic address: chenchouni@gmail.com.</nlm:affiliation></affiliation></author></analytic><series><title level="j">The Science of the total environment</title><idno type="eISSN">1879-1026</idno><imprint><date when="2017" type="published">2017</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Africa, Northern (MeSH)</term><term>Algeria (MeSH)</term><term>Biodiversity (MeSH)</term><term>Environmental Monitoring (MeSH)</term><term>Glomeromycota (MeSH)</term><term>Mycorrhizae (classification)</term><term>Mycorrhizae (growth & development)</term><term>Olea (MeSH)</term><term>Plant Roots (microbiology)</term><term>Rhizosphere (MeSH)</term><term>Seasons (MeSH)</term><term>Soil (MeSH)</term><term>Soil Microbiology (MeSH)</term><term>Spores, Fungal (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Soil</term></keywords><keywords scheme="MESH" qualifier="classification" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Roots</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Africa, Northern</term><term>Algeria</term><term>Biodiversity</term><term>Environmental Monitoring</term><term>Glomeromycota</term><term>Olea</term><term>Rhizosphere</term><term>Seasons</term><term>Soil Microbiology</term><term>Spores, Fungal</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study aims to determine the spatiotemporal dynamics of root colonization and spore density of arbuscular mycorrhizal fungi (AMF) in the rhizosphere of olive trees (Olea europaea) with different plantation ages and under different climatic areas in Algeria. Soil and root samples were seasonally collected from three olive plantations of different ages. Other samples were carried out in productive olive orchards cultivated under a climatic gradient (desertic, semi-arid, subhumid, and humid). The olive varieties analysed in this study were Blanquette, Rougette, Chemlel and the wild-olive. Spore density, mycorrhization intensity (M%), spore diversity and the most probable number (MPN) were determined. Both the intensity of mycorrhizal colonization and spore density increased with the increase of seasonal precipitation and decreased with the increase of air temperature regardless of the climatic region or olive variety. The variety Rougette had the highest mycorrhizal levels in all plantation ages and climates. Spore community was composed of the genera Rhizophagus, Funneliformis, Glomus, Septoglomus, Gigaspora, Scutellospora and Entrophospora. The genus Glomus, with four species, predominated in all climate regions. Spores of Gigaspora sp. and Scutellospora sp. were the most abundant in desertic plantations. Statistical models indicated a positive relationship between spore density and M% during spring and winter in young seedlings and old plantations. A significant positive relationship was found between MPN and spore density under different climates. For a mycotrophic species, the rhizosphere of olive trees proved to be poor in mycorrhiza in terms of mycorrhizal colonization and numbers of the infective AMF propagules.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">28094046</PMID><DateCompleted><Year>2018</Year><Month>05</Month><Day>18</Day></DateCompleted><DateRevised><Year>2018</Year><Month>05</Month><Day>18</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-1026</ISSN><JournalIssue CitedMedium="Internet"><Volume>583</Volume><PubDate><Year>2017</Year><Month>Apr</Month><Day>01</Day></PubDate></JournalIssue><Title>The Science of the total environment</Title><ISOAbbreviation>Sci Total Environ</ISOAbbreviation></Journal><ArticleTitle>Spatiotemporal variation of arbuscular mycorrhizal fungal colonization in olive (Olea europaea L.) roots across a broad mesic-xeric climatic gradient in North Africa.</ArticleTitle><Pagination><MedlinePgn>176-189</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0048-9697(17)30049-9</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.scitotenv.2017.01.049</ELocationID><Abstract><AbstractText>This study aims to determine the spatiotemporal dynamics of root colonization and spore density of arbuscular mycorrhizal fungi (AMF) in the rhizosphere of olive trees (Olea europaea) with different plantation ages and under different climatic areas in Algeria. Soil and root samples were seasonally collected from three olive plantations of different ages. Other samples were carried out in productive olive orchards cultivated under a climatic gradient (desertic, semi-arid, subhumid, and humid). The olive varieties analysed in this study were Blanquette, Rougette, Chemlel and the wild-olive. Spore density, mycorrhization intensity (M%), spore diversity and the most probable number (MPN) were determined. Both the intensity of mycorrhizal colonization and spore density increased with the increase of seasonal precipitation and decreased with the increase of air temperature regardless of the climatic region or olive variety. The variety Rougette had the highest mycorrhizal levels in all plantation ages and climates. Spore community was composed of the genera Rhizophagus, Funneliformis, Glomus, Septoglomus, Gigaspora, Scutellospora and Entrophospora. The genus Glomus, with four species, predominated in all climate regions. Spores of Gigaspora sp. and Scutellospora sp. were the most abundant in desertic plantations. Statistical models indicated a positive relationship between spore density and M% during spring and winter in young seedlings and old plantations. A significant positive relationship was found between MPN and spore density under different climates. For a mycotrophic species, the rhizosphere of olive trees proved to be poor in mycorrhiza in terms of mycorrhizal colonization and numbers of the infective AMF propagules.</AbstractText><CopyrightInformation>Copyright © 2017 Elsevier B.V. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Meddad-Hamza</LastName><ForeName>Amel</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Laboratoire de Biologie Végétale et Environnement, Department of Biology, Faculty of Sciences, University of Badji Mokhtar, Annaba 23000, Algeria.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hamza</LastName><ForeName>Nabila</ForeName><Initials>N</Initials><AffiliationInfo><Affiliation>Laboratoire de Biologie Végétale et Environnement, Department of Biology, Faculty of Sciences, University of Badji Mokhtar, Annaba 23000, Algeria.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Neffar</LastName><ForeName>Souad</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>Department of Natural and Life Sciences, Faculty of Exact Sciences and Natural and Life Sciences, University of Tebessa, Tebessa 12000, Algeria.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Beddiar</LastName><ForeName>Arifa</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Laboratoire de Biologie Végétale et Environnement, Department of Biology, Faculty of Sciences, University of Badji Mokhtar, Annaba 23000, Algeria.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Gianinazzi</LastName><ForeName>Silvio</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>INOCULUMplus Technopôle Agro-Environnement RD31, Bretenière 21110, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Chenchouni</LastName><ForeName>Haroun</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Department of Natural and Life Sciences, Faculty of Exact Sciences and Natural and Life Sciences, University of Tebessa, Tebessa 12000, Algeria. Electronic address: chenchouni@gmail.com.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2017</Year><Month>01</Month><Day>13</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Sci Total Environ</MedlineTA><NlmUniqueID>0330500</NlmUniqueID><ISSNLinking>0048-9697</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012987">Soil</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000352" MajorTopicYN="N">Africa, Northern</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000462" MajorTopicYN="N">Algeria</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D044822" MajorTopicYN="N">Biodiversity</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004784" MajorTopicYN="Y">Environmental Monitoring</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D055137" MajorTopicYN="N">Glomeromycota</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000145" MajorTopicYN="Y">classification</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D031658" MajorTopicYN="N">Olea</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D058441" MajorTopicYN="Y">Rhizosphere</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012621" MajorTopicYN="N">Seasons</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012987" MajorTopicYN="N">Soil</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012988" MajorTopicYN="Y">Soil Microbiology</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013172" MajorTopicYN="N">Spores, Fungal</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Arbuscular mycorrhizal fungi diversity</Keyword><Keyword MajorTopicYN="N">North-African climates</Keyword><Keyword MajorTopicYN="N">Olive varieties</Keyword><Keyword MajorTopicYN="N">Plantation age</Keyword><Keyword MajorTopicYN="N">Seasonal dynamics</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2016</Year><Month>09</Month><Day>30</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2017</Year><Month>01</Month><Day>08</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2017</Year><Month>01</Month><Day>08</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2017</Year><Month>1</Month><Day>18</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2018</Year><Month>5</Month><Day>19</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2017</Year><Month>1</Month><Day>18</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">28094046</ArticleId><ArticleId IdType="pii">S0048-9697(17)30049-9</ArticleId><ArticleId IdType="doi">10.1016/j.scitotenv.2017.01.049</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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