Quantitative inoculation of willow rust Melampsora larici-epitea with the mycoparasite Sphaerellopsis filum (teleomorph Eudarluca caricis).
Identifieur interne : 000181 ( PubMed/Corpus ); précédent : 000180; suivant : 000182Quantitative inoculation of willow rust Melampsora larici-epitea with the mycoparasite Sphaerellopsis filum (teleomorph Eudarluca caricis).
Auteurs : Ming H. Pei ; Tom Hunter ; Carmen Ruiz ; Carlos Bayon ; Judy HarrisSource :
- Mycological research [ 0953-7562 ] ; 2003.
English descriptors
- KwdEn :
- Antibiosis (MeSH), Basidiomycota (pathogenicity), Basidiomycota (physiology), Colony Count, Microbial (MeSH), Fungi (pathogenicity), Fungi (physiology), Plant Diseases (microbiology), Plant Leaves (microbiology), Salix (microbiology), Spores, Fungal (growth & development), Spores, Fungal (physiology), Time Factors (MeSH).
- MESH :
- growth & development : Spores, Fungal.
- microbiology : Plant Diseases, Plant Leaves, Salix.
- pathogenicity : Basidiomycota, Fungi.
- physiology : Basidiomycota, Fungi, Spores, Fungal.
- Antibiosis, Colony Count, Microbial, Time Factors.
Abstract
The mycoparasite Sphaerellopsis filum (teleomorph Eudarluca caricis) was applied simultaneously with Melampsora larici-epitea on to willow leaf discs using eight concentrations of conidia. Inoculum densities were quantified and the numbers of uredinia of the rust, pycnidia and conidia of S. filum and rust spores produced per leaf disc were measured 13 d after inoculation (first assessment). Higher S. filum inoculum densities resulted in more rust uredinia being infected, but did not reduce the number of uredinia produced. The ratios of infected rust pustules: S. filum conidia applied were in a range of 0.25-0.31 when less than 20 S. filum spores were inoculated on to a leaf disc (0.95 cm2). Suppressive effects of S. filum on rust spore production were more obvious in the second assessment, carried out 23 d after inoculation. Inoculum densities of S. filum were significantly (P < 0.001) correlated with the frequency of uredinia infected (% variance accounted for [VAF] = 85.8), the number of S. filum pycnidia (% VAF = 81.4), S. filum spores produced (% VAF = 72.3) and rust spore production (% VAF = 48.6). Rust spore production was significantly (P < 0.001) negatively correlated with the frequency of uredinia infected (% VAF = 51.1), the number of S. filum pycnidia (% VAF = 42.0) and the number of S. filum spores produced (% VAF = 40.6). The best correlation was found between the number of pycnidia and the number of S. filum spores produced (% VAF = 88.8).
DOI: 10.1017/s0953756202006871
PubMed: 12735244
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pubmed:12735244Le document en format XML
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Pei</name><affiliation><nlm:affiliation>IACR-Long Ashton Research Station, Department of Agricultural Sciences, University of Bristol, Long Ashton, Bristol BS41 9AF, UK. ming.pei@bbsrc.ac.uk</nlm:affiliation></affiliation></author><author><name sortKey="Hunter, Tom" sort="Hunter, Tom" uniqKey="Hunter T" first="Tom" last="Hunter">Tom Hunter</name></author><author><name sortKey="Ruiz, Carmen" sort="Ruiz, Carmen" uniqKey="Ruiz C" first="Carmen" last="Ruiz">Carmen Ruiz</name></author><author><name sortKey="Bayon, Carlos" sort="Bayon, Carlos" uniqKey="Bayon C" first="Carlos" last="Bayon">Carlos Bayon</name></author><author><name sortKey="Harris, Judy" sort="Harris, Judy" uniqKey="Harris J" first="Judy" last="Harris">Judy Harris</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2003">2003</date><idno type="RBID">pubmed:12735244</idno><idno type="pmid">12735244</idno><idno type="doi">10.1017/s0953756202006871</idno><idno type="wicri:Area/PubMed/Corpus">000181</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">000181</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Quantitative inoculation of willow rust Melampsora larici-epitea with the mycoparasite Sphaerellopsis filum (teleomorph Eudarluca caricis).</title><author><name sortKey="Pei, Ming H" sort="Pei, Ming H" uniqKey="Pei M" first="Ming H" last="Pei">Ming H. Pei</name><affiliation><nlm:affiliation>IACR-Long Ashton Research Station, Department of Agricultural Sciences, University of Bristol, Long Ashton, Bristol BS41 9AF, UK. ming.pei@bbsrc.ac.uk</nlm:affiliation></affiliation></author><author><name sortKey="Hunter, Tom" sort="Hunter, Tom" uniqKey="Hunter T" first="Tom" last="Hunter">Tom Hunter</name></author><author><name sortKey="Ruiz, Carmen" sort="Ruiz, Carmen" uniqKey="Ruiz C" first="Carmen" last="Ruiz">Carmen Ruiz</name></author><author><name sortKey="Bayon, Carlos" sort="Bayon, Carlos" uniqKey="Bayon C" first="Carlos" last="Bayon">Carlos Bayon</name></author><author><name sortKey="Harris, Judy" sort="Harris, Judy" uniqKey="Harris J" first="Judy" last="Harris">Judy Harris</name></author></analytic><series><title level="j">Mycological research</title><idno type="ISSN">0953-7562</idno><imprint><date when="2003" type="published">2003</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Antibiosis (MeSH)</term><term>Basidiomycota (pathogenicity)</term><term>Basidiomycota (physiology)</term><term>Colony Count, Microbial (MeSH)</term><term>Fungi (pathogenicity)</term><term>Fungi (physiology)</term><term>Plant Diseases (microbiology)</term><term>Plant Leaves (microbiology)</term><term>Salix (microbiology)</term><term>Spores, Fungal (growth & development)</term><term>Spores, Fungal (physiology)</term><term>Time Factors (MeSH)</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Spores, Fungal</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Diseases</term><term>Plant Leaves</term><term>Salix</term></keywords><keywords scheme="MESH" qualifier="pathogenicity" xml:lang="en"><term>Basidiomycota</term><term>Fungi</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Basidiomycota</term><term>Fungi</term><term>Spores, Fungal</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Antibiosis</term><term>Colony Count, Microbial</term><term>Time Factors</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The mycoparasite Sphaerellopsis filum (teleomorph Eudarluca caricis) was applied simultaneously with Melampsora larici-epitea on to willow leaf discs using eight concentrations of conidia. Inoculum densities were quantified and the numbers of uredinia of the rust, pycnidia and conidia of S. filum and rust spores produced per leaf disc were measured 13 d after inoculation (first assessment). Higher S. filum inoculum densities resulted in more rust uredinia being infected, but did not reduce the number of uredinia produced. The ratios of infected rust pustules: S. filum conidia applied were in a range of 0.25-0.31 when less than 20 S. filum spores were inoculated on to a leaf disc (0.95 cm2). Suppressive effects of S. filum on rust spore production were more obvious in the second assessment, carried out 23 d after inoculation. Inoculum densities of S. filum were significantly (P < 0.001) correlated with the frequency of uredinia infected (% variance accounted for [VAF] = 85.8), the number of S. filum pycnidia (% VAF = 81.4), S. filum spores produced (% VAF = 72.3) and rust spore production (% VAF = 48.6). Rust spore production was significantly (P < 0.001) negatively correlated with the frequency of uredinia infected (% VAF = 51.1), the number of S. filum pycnidia (% VAF = 42.0) and the number of S. filum spores produced (% VAF = 40.6). The best correlation was found between the number of pycnidia and the number of S. filum spores produced (% VAF = 88.8).</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">12735244</PMID><DateCompleted><Year>2003</Year><Month>05</Month><Day>30</Day></DateCompleted><DateRevised><Year>2019</Year><Month>11</Month><Day>07</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0953-7562</ISSN><JournalIssue CitedMedium="Print"><Volume>107</Volume><Issue>Pt 1</Issue><PubDate><Year>2003</Year><Month>Jan</Month></PubDate></JournalIssue><Title>Mycological research</Title><ISOAbbreviation>Mycol Res</ISOAbbreviation></Journal><ArticleTitle>Quantitative inoculation of willow rust Melampsora larici-epitea with the mycoparasite Sphaerellopsis filum (teleomorph Eudarluca caricis).</ArticleTitle><Pagination><MedlinePgn>57-63</MedlinePgn></Pagination><Abstract><AbstractText>The mycoparasite Sphaerellopsis filum (teleomorph Eudarluca caricis) was applied simultaneously with Melampsora larici-epitea on to willow leaf discs using eight concentrations of conidia. Inoculum densities were quantified and the numbers of uredinia of the rust, pycnidia and conidia of S. filum and rust spores produced per leaf disc were measured 13 d after inoculation (first assessment). Higher S. filum inoculum densities resulted in more rust uredinia being infected, but did not reduce the number of uredinia produced. The ratios of infected rust pustules: S. filum conidia applied were in a range of 0.25-0.31 when less than 20 S. filum spores were inoculated on to a leaf disc (0.95 cm2). Suppressive effects of S. filum on rust spore production were more obvious in the second assessment, carried out 23 d after inoculation. Inoculum densities of S. filum were significantly (P < 0.001) correlated with the frequency of uredinia infected (% variance accounted for [VAF] = 85.8), the number of S. filum pycnidia (% VAF = 81.4), S. filum spores produced (% VAF = 72.3) and rust spore production (% VAF = 48.6). Rust spore production was significantly (P < 0.001) negatively correlated with the frequency of uredinia infected (% VAF = 51.1), the number of S. filum pycnidia (% VAF = 42.0) and the number of S. filum spores produced (% VAF = 40.6). The best correlation was found between the number of pycnidia and the number of S. filum spores produced (% VAF = 88.8).</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Pei</LastName><ForeName>Ming H</ForeName><Initials>MH</Initials><AffiliationInfo><Affiliation>IACR-Long Ashton Research Station, Department of Agricultural Sciences, University of Bristol, Long Ashton, Bristol BS41 9AF, UK. ming.pei@bbsrc.ac.uk</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hunter</LastName><ForeName>Tom</ForeName><Initials>T</Initials></Author><Author ValidYN="Y"><LastName>Ruiz</LastName><ForeName>Carmen</ForeName><Initials>C</Initials></Author><Author ValidYN="Y"><LastName>Bayon</LastName><ForeName>Carlos</ForeName><Initials>C</Initials></Author><Author ValidYN="Y"><LastName>Harris</LastName><ForeName>Judy</ForeName><Initials>J</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D003160">Comparative Study</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Mycol Res</MedlineTA><NlmUniqueID>8913481</NlmUniqueID><ISSNLinking>0953-7562</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000898" MajorTopicYN="Y">Antibiosis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D001487" MajorTopicYN="N">Basidiomycota</DescriptorName><QualifierName UI="Q000472" MajorTopicYN="N">pathogenicity</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D015169" MajorTopicYN="N">Colony Count, Microbial</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005658" MajorTopicYN="N">Fungi</DescriptorName><QualifierName UI="Q000472" MajorTopicYN="N">pathogenicity</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010935" MajorTopicYN="N">Plant Diseases</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032108" MajorTopicYN="N">Salix</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013172" MajorTopicYN="N">Spores, Fungal</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013997" MajorTopicYN="N">Time Factors</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2003</Year><Month>5</Month><Day>9</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2003</Year><Month>5</Month><Day>31</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2003</Year><Month>5</Month><Day>9</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">12735244</ArticleId><ArticleId IdType="doi">10.1017/s0953756202006871</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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