Mycorrhizal symbiosis and phosphorus fertilization effects on Zea mays growth and heavy metals uptake.
Identifieur interne : 000864 ( Main/Exploration ); précédent : 000863; suivant : 000865Mycorrhizal symbiosis and phosphorus fertilization effects on Zea mays growth and heavy metals uptake.
Auteurs : Nivien Allam Nafady [Égypte] ; Ahmed Elgharably [Égypte]Source :
- International journal of phytoremediation [ 1549-7879 ] ; 2018.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Soil Pollutants.
- chemical : Metals, Heavy, Phosphorus.
- Biodegradation, Environmental, Mycorrhizae, Plant Roots, Symbiosis, Zea mays.
Abstract
Arbuscular mycorrhizal fungi (AMF) can promote plant growth and reduce plant uptake of heavy metals. Phosphorus (P) fertilization can affect this relationship. We investigated maize (Zea mays L.) uptake of heavy metals after soil AMF inoculation and P fertilization. Maize biomass, glomaline and chlorophyll contents and uptake of Fe, Mn, Zn, Cu, Cd and Pb have been determined in a soil inoculated with AMF (Glomus aggregatum, or Glomus intraradices) and treated with 30 or 60 µg P-K2HPO4 g-1 soil. Consistent variations were found between the two mycorrhizal species with respect to the colonization and glomalin content. Shoot dry weight and chlorophyll content were higher with G. intraradices than with G. aggregatum inoculation. The biomass was highest with 30 µg P g-1 soil. Shoot concentrations of Cd, Pb and Zn decreased with G. aggregatum inoculation, but that of Cd and Pb increased with G. intraradices inoculation. Addition of P fertilizers decreased Cd and Zn concentrations in the shoot. AMF with P fertilization greatly reduced maize content of heavy metals. The results provide that native AMF with a moderate application rate of P fertilizers can be exploited in polluted soils to minimize the heavy metals uptake and to increase maize growth.
DOI: 10.1080/15226514.2018.1438358
PubMed: 29873545
Affiliations:
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Le document en format XML
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Phosphorus (P) fertilization can affect this relationship. We investigated maize (Zea mays L.) uptake of heavy metals after soil AMF inoculation and P fertilization. Maize biomass, glomaline and chlorophyll contents and uptake of Fe, Mn, Zn, Cu, Cd and Pb have been determined in a soil inoculated with AMF (Glomus aggregatum, or Glomus intraradices) and treated with 30 or 60 µg P-K<sub>2</sub>HPO<sub>4</sub> g<sup>-1</sup> soil. Consistent variations were found between the two mycorrhizal species with respect to the colonization and glomalin content. Shoot dry weight and chlorophyll content were higher with G. intraradices than with G. aggregatum inoculation. The biomass was highest with 30 µg P g<sup>-1</sup> soil. Shoot concentrations of Cd, Pb and Zn decreased with G. aggregatum inoculation, but that of Cd and Pb increased with G. intraradices inoculation. Addition of P fertilizers decreased Cd and Zn concentrations in the shoot. AMF with P fertilization greatly reduced maize content of heavy metals. The results provide that native AMF with a moderate application rate of P fertilizers can be exploited in polluted soils to minimize the heavy metals uptake and to increase maize growth.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Automated" Owner="NLM"><PMID Version="1">29873545</PMID><DateCompleted><Year>2019</Year><Month>09</Month><Day>05</Day></DateCompleted><DateRevised><Year>2019</Year><Month>09</Month><Day>06</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1549-7879</ISSN><JournalIssue CitedMedium="Internet"><Volume>20</Volume><Issue>9</Issue><PubDate><Year>2018</Year><Month>Jul</Month><Day>29</Day></PubDate></JournalIssue><Title>International journal of phytoremediation</Title><ISOAbbreviation>Int J Phytoremediation</ISOAbbreviation></Journal><ArticleTitle>Mycorrhizal symbiosis and phosphorus fertilization effects on Zea mays growth and heavy metals uptake.</ArticleTitle><Pagination><MedlinePgn>869-875</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1080/15226514.2018.1438358</ELocationID><Abstract><AbstractText>Arbuscular mycorrhizal fungi (AMF) can promote plant growth and reduce plant uptake of heavy metals. Phosphorus (P) fertilization can affect this relationship. We investigated maize (Zea mays L.) uptake of heavy metals after soil AMF inoculation and P fertilization. Maize biomass, glomaline and chlorophyll contents and uptake of Fe, Mn, Zn, Cu, Cd and Pb have been determined in a soil inoculated with AMF (Glomus aggregatum, or Glomus intraradices) and treated with 30 or 60 µg P-K<sub>2</sub>HPO<sub>4</sub> g<sup>-1</sup> soil. Consistent variations were found between the two mycorrhizal species with respect to the colonization and glomalin content. Shoot dry weight and chlorophyll content were higher with G. intraradices than with G. aggregatum inoculation. The biomass was highest with 30 µg P g<sup>-1</sup> soil. Shoot concentrations of Cd, Pb and Zn decreased with G. aggregatum inoculation, but that of Cd and Pb increased with G. intraradices inoculation. Addition of P fertilizers decreased Cd and Zn concentrations in the shoot. AMF with P fertilization greatly reduced maize content of heavy metals. The results provide that native AMF with a moderate application rate of P fertilizers can be exploited in polluted soils to minimize the heavy metals uptake and to increase maize growth.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Nafady</LastName><ForeName>Nivien Allam</ForeName><Initials>NA</Initials><AffiliationInfo><Affiliation>a Department of Botany and Microbiology , Faculty of Sciences, Assiut University , Assiut , Egypt.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Elgharably</LastName><ForeName>Ahmed</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>b Department of Soils and Water , Faculty of Agriculture, Assiut University , Assiut , Egypt.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Int J Phytoremediation</MedlineTA><NlmUniqueID>101136878</NlmUniqueID><ISSNLinking>1522-6514</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D019216">Metals, Heavy</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012989">Soil Pollutants</NameOfSubstance></Chemical><Chemical><RegistryNumber>27YLU75U4W</RegistryNumber><NameOfSubstance UI="D010758">Phosphorus</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001673" MajorTopicYN="N">Biodegradation, Environmental</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D019216" MajorTopicYN="Y">Metals, Heavy</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="Y">Mycorrhizae</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010758" MajorTopicYN="N">Phosphorus</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012989" MajorTopicYN="N">Soil Pollutants</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013559" MajorTopicYN="N">Symbiosis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003313" MajorTopicYN="N">Zea mays</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">arbuscular mycorrhizae</Keyword><Keyword MajorTopicYN="N">bioremediation</Keyword><Keyword MajorTopicYN="N">glomalin</Keyword><Keyword MajorTopicYN="N">heavy metals</Keyword><Keyword MajorTopicYN="N">phosphorus fertilization</Keyword><Keyword MajorTopicYN="N">zea mays</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2018</Year><Month>6</Month><Day>7</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2018</Year><Month>6</Month><Day>7</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2019</Year><Month>9</Month><Day>7</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">29873545</ArticleId><ArticleId IdType="doi">10.1080/15226514.2018.1438358</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Égypte</li></country></list><tree><country name="Égypte"><noRegion><name sortKey="Nafady, Nivien Allam" sort="Nafady, Nivien Allam" uniqKey="Nafady N" first="Nivien Allam" last="Nafady">Nivien Allam Nafady</name></noRegion><name sortKey="Elgharably, Ahmed" sort="Elgharably, Ahmed" uniqKey="Elgharably A" first="Ahmed" last="Elgharably">Ahmed Elgharably</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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