Impact of Arbuscular Mycorrhizal Species on Heterodera glycines.
Identifieur interne : 000060 ( Main/Corpus ); précédent : 000059; suivant : 000061Impact of Arbuscular Mycorrhizal Species on Heterodera glycines.
Auteurs : M L Pawlowski ; G L HartmanSource :
- Plant disease [ 0191-2917 ] ; 2020.
English descriptors
- KwdEn :
- MESH :
Abstract
Soybean cyst nematode (SCN, Heterodera glycines) is a widely occurring pest and the leading cause of soybean yield losses in the U.S.A. There is a need to find additional SCN management strategies as sources of SCN resistance have become less effective in managing SCN populations. Arbuscular mycorrhizal fungi (AMF) form symbiotic relationships with roots of most plants including soybean. Research has shown that AMF can reduce disease severity in plants caused by pathogens and pests, including plant parasitic nematodes. The goal of this study was to evaluate the impact of AMF on SCN cyst production, SCN juveniles in roots, and SCN egg hatching. In one experiment, all five AMF species tested (Claroideoglomus claroideum, Diversispora eburnean, Dentiscutata heterogama, Funneliformis mosseae, and Rhizophagus intraradices) reduced (P < 0.05) the number of cysts on soybean roots by 59 to 81%, compared with soybean roots not inoculated with AMF. Inoculation with F. mosseae reduced SCN J2-J3 stage juveniles in soybean roots by 60% at 7 days post inoculation. A separate experiment showed that egg hatch was reduced (P < 0.05) in the presence of F. mosseae spores and their exudates by 27% and 62%, respectively. Further research is needed to evaluate the potential usefulness of AMF in field conditions and to determine the usefulness and potential of the exudates associated with SCN hatching suppression by F. mosseae. Making AMF a more effective biological control agent would provide another management tool to reduce the negative impact of SCN on soybean production.
DOI: 10.1094/PDIS-01-20-0102-RE
PubMed: 32628092
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pubmed:32628092Le document en format XML
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There is a need to find additional SCN management strategies as sources of SCN resistance have become less effective in managing SCN populations. Arbuscular mycorrhizal fungi (AMF) form symbiotic relationships with roots of most plants including soybean. Research has shown that AMF can reduce disease severity in plants caused by pathogens and pests, including plant parasitic nematodes. The goal of this study was to evaluate the impact of AMF on SCN cyst production, SCN juveniles in roots, and SCN egg hatching. In one experiment, all five AMF species tested (<i>Claroideoglomus claroideum</i>, <i>Diversispora eburnean</i>, <i>Dentiscutata heterogama</i>, <i>Funneliformis mosseae</i>, and <i>Rhizophagus intraradices</i>) reduced (<i>P</i> < 0.05) the number of cysts on soybean roots by 59 to 81%, compared with soybean roots not inoculated with AMF. Inoculation with <i>F. mosseae</i> reduced SCN J2-J3 stage juveniles in soybean roots by 60% at 7 days post inoculation. A separate experiment showed that egg hatch was reduced (<i>P</i> < 0.05) in the presence of <i>F. mosseae</i> spores and their exudates by 27% and 62%, respectively. Further research is needed to evaluate the potential usefulness of AMF in field conditions and to determine the usefulness and potential of the exudates associated with SCN hatching suppression by <i>F. mosseae</i>. Making AMF a more effective biological control agent would provide another management tool to reduce the negative impact of SCN on soybean production.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Automated" Owner="NLM"><PMID Version="1">32628092</PMID><DateCompleted><Year>2020</Year><Month>08</Month><Day>28</Day></DateCompleted><DateRevised><Year>2020</Year><Month>08</Month><Day>28</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0191-2917</ISSN><JournalIssue CitedMedium="Print"><Volume>104</Volume><Issue>9</Issue><PubDate><Year>2020</Year><Month>Sep</Month></PubDate></JournalIssue><Title>Plant disease</Title><ISOAbbreviation>Plant Dis</ISOAbbreviation></Journal><ArticleTitle>Impact of Arbuscular Mycorrhizal Species on <i>Heterodera glycines</i>.</ArticleTitle><Pagination><MedlinePgn>2406-2410</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1094/PDIS-01-20-0102-RE</ELocationID><Abstract><AbstractText>Soybean cyst nematode (SCN, <i>Heterodera glycines</i>) is a widely occurring pest and the leading cause of soybean yield losses in the U.S.A. There is a need to find additional SCN management strategies as sources of SCN resistance have become less effective in managing SCN populations. Arbuscular mycorrhizal fungi (AMF) form symbiotic relationships with roots of most plants including soybean. Research has shown that AMF can reduce disease severity in plants caused by pathogens and pests, including plant parasitic nematodes. The goal of this study was to evaluate the impact of AMF on SCN cyst production, SCN juveniles in roots, and SCN egg hatching. In one experiment, all five AMF species tested (<i>Claroideoglomus claroideum</i>, <i>Diversispora eburnean</i>, <i>Dentiscutata heterogama</i>, <i>Funneliformis mosseae</i>, and <i>Rhizophagus intraradices</i>) reduced (<i>P</i> < 0.05) the number of cysts on soybean roots by 59 to 81%, compared with soybean roots not inoculated with AMF. Inoculation with <i>F. mosseae</i> reduced SCN J2-J3 stage juveniles in soybean roots by 60% at 7 days post inoculation. A separate experiment showed that egg hatch was reduced (<i>P</i> < 0.05) in the presence of <i>F. mosseae</i> spores and their exudates by 27% and 62%, respectively. Further research is needed to evaluate the potential usefulness of AMF in field conditions and to determine the usefulness and potential of the exudates associated with SCN hatching suppression by <i>F. mosseae</i>. Making AMF a more effective biological control agent would provide another management tool to reduce the negative impact of SCN on soybean production.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Pawlowski</LastName><ForeName>M L</ForeName><Initials>ML</Initials><Identifier Source="ORCID">http://orcid.org/0000-0003-0606-0373</Identifier><AffiliationInfo><Affiliation>Department of Crop Sciences, University of Illinois, Urbana, IL 61801.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hartman</LastName><ForeName>G L</ForeName><Initials>GL</Initials><Identifier Source="ORCID">http://orcid.org/0000-0002-3294-0772</Identifier><AffiliationInfo><Affiliation>Department of Crop Sciences, University of Illinois, Urbana, IL 61801.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>United States Department of Agriculture-Agricultural Research Service, Urbana, IL 61801.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2020</Year><Month>07</Month><Day>06</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Plant Dis</MedlineTA><NlmUniqueID>9882809</NlmUniqueID><ISSNLinking>0191-2917</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D055137" MajorTopicYN="Y">Glomeromycota</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="Y">Mycorrhizae</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013025" MajorTopicYN="N">Soybeans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014431" MajorTopicYN="Y">Tylenchoidea</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">arbuscular mycorrhizal fungi</Keyword><Keyword MajorTopicYN="N">soybean</Keyword><Keyword MajorTopicYN="N">soybean cyst nematode</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>7</Month><Day>7</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>8</Month><Day>29</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>7</Month><Day>7</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">32628092</ArticleId><ArticleId IdType="doi">10.1094/PDIS-01-20-0102-RE</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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