Baseline sensitivity and resistance-risk assessment of Phytophthora capsici to iprovalicarb.
Identifieur interne : 001824 ( Main/Corpus ); précédent : 001823; suivant : 001825Baseline sensitivity and resistance-risk assessment of Phytophthora capsici to iprovalicarb.
Auteurs : Xiao Hong Lu ; Shu Sheng Zhu ; Yang Bi ; Xi Li Liu ; Jianjun J. HaoSource :
- Phytopathology [ 0031-949X ] ; 2010.
English descriptors
- KwdEn :
- MESH :
- chemical , analogs & derivatives : Valine.
- chemical , pharmacology : Carbamates, Fungicides, Industrial, Valine.
- drug effects : Phytophthora.
- Drug Resistance, Fungal.
Abstract
Iprovalicarb has been used to control Phytophthora capsici, a devastating pathogen of many economically important crops. To evaluate the risk of fungicide resistance, 158 isolates of P. capsici were examined for sensitivity to iprovalicarb by measuring mycelial growth. Values of effective concentrations for 50% mycelial growth inhibition varied from 0.2042 to 0.5540 μg/ml and averaged 0.3923 (±0.0552) μg/ml, with a unimodal distribution. This is the first report of P. capsici isolates highly resistant to iprovalicarb (resistance factor >100). Resistance of the isolates was stable through 10 transfers on iprovalicarb-free medium, and most resistant isolates had the same level of fitness (mycelial growth, zoospore production, and virulence) as their corresponding parents, indicating that iprovalicarb resistance was independent from other general growth characters. There was cross-resistance among all tested carboxylic acid amide (CAA) fungicides, including iprovalicarb, flumorph, dimethomorph, and mandipropamid, but not with non-CAA fungicides, including azoxystrobin, chlorothalonil, cymoxanil, etridiazole, metalaxyl, and zoxamide. Based on the present results, resistance risk of P. capsici to CAAs could be moderate and resistance management should be considered.
DOI: 10.1094/PHYTO-12-09-0351
PubMed: 20932164
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pubmed:20932164Le document en format XML
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Hao</name></author></analytic><series><title level="j">Phytopathology</title><idno type="ISSN">0031-949X</idno><imprint><date when="2010" type="published">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Carbamates (pharmacology)</term><term>Drug Resistance, Fungal (MeSH)</term><term>Fungicides, Industrial (pharmacology)</term><term>Phytophthora (drug effects)</term><term>Valine (analogs & derivatives)</term><term>Valine (pharmacology)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analogs & derivatives" xml:lang="en"><term>Valine</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Carbamates</term><term>Fungicides, Industrial</term><term>Valine</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Phytophthora</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Drug Resistance, Fungal</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Iprovalicarb has been used to control Phytophthora capsici, a devastating pathogen of many economically important crops. To evaluate the risk of fungicide resistance, 158 isolates of P. capsici were examined for sensitivity to iprovalicarb by measuring mycelial growth. Values of effective concentrations for 50% mycelial growth inhibition varied from 0.2042 to 0.5540 μg/ml and averaged 0.3923 (±0.0552) μg/ml, with a unimodal distribution. This is the first report of P. capsici isolates highly resistant to iprovalicarb (resistance factor >100). Resistance of the isolates was stable through 10 transfers on iprovalicarb-free medium, and most resistant isolates had the same level of fitness (mycelial growth, zoospore production, and virulence) as their corresponding parents, indicating that iprovalicarb resistance was independent from other general growth characters. There was cross-resistance among all tested carboxylic acid amide (CAA) fungicides, including iprovalicarb, flumorph, dimethomorph, and mandipropamid, but not with non-CAA fungicides, including azoxystrobin, chlorothalonil, cymoxanil, etridiazole, metalaxyl, and zoxamide. Based on the present results, resistance risk of P. capsici to CAAs could be moderate and resistance management should be considered.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">20932164</PMID><DateCompleted><Year>2010</Year><Month>12</Month><Day>21</Day></DateCompleted><DateRevised><Year>2019</Year><Month>01</Month><Day>04</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0031-949X</ISSN><JournalIssue CitedMedium="Print"><Volume>100</Volume><Issue>11</Issue><PubDate><Year>2010</Year><Month>Nov</Month></PubDate></JournalIssue><Title>Phytopathology</Title><ISOAbbreviation>Phytopathology</ISOAbbreviation></Journal><ArticleTitle>Baseline sensitivity and resistance-risk assessment of Phytophthora capsici to iprovalicarb.</ArticleTitle><Pagination><MedlinePgn>1162-8</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1094/PHYTO-12-09-0351</ELocationID><Abstract><AbstractText>Iprovalicarb has been used to control Phytophthora capsici, a devastating pathogen of many economically important crops. To evaluate the risk of fungicide resistance, 158 isolates of P. capsici were examined for sensitivity to iprovalicarb by measuring mycelial growth. Values of effective concentrations for 50% mycelial growth inhibition varied from 0.2042 to 0.5540 μg/ml and averaged 0.3923 (±0.0552) μg/ml, with a unimodal distribution. This is the first report of P. capsici isolates highly resistant to iprovalicarb (resistance factor >100). Resistance of the isolates was stable through 10 transfers on iprovalicarb-free medium, and most resistant isolates had the same level of fitness (mycelial growth, zoospore production, and virulence) as their corresponding parents, indicating that iprovalicarb resistance was independent from other general growth characters. There was cross-resistance among all tested carboxylic acid amide (CAA) fungicides, including iprovalicarb, flumorph, dimethomorph, and mandipropamid, but not with non-CAA fungicides, including azoxystrobin, chlorothalonil, cymoxanil, etridiazole, metalaxyl, and zoxamide. Based on the present results, resistance risk of P. capsici to CAAs could be moderate and resistance management should be considered.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Lu</LastName><ForeName>Xiao Hong</ForeName><Initials>XH</Initials><AffiliationInfo><Affiliation>Department of Plant Pathology, China Agricultural University, Beijing, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zhu</LastName><ForeName>Shu Sheng</ForeName><Initials>SS</Initials></Author><Author ValidYN="Y"><LastName>Bi</LastName><ForeName>Yang</ForeName><Initials>Y</Initials></Author><Author ValidYN="Y"><LastName>Liu</LastName><ForeName>Xi Li</ForeName><Initials>XL</Initials></Author><Author ValidYN="Y"><LastName>Hao</LastName><ForeName>Jianjun J</ForeName><Initials>JJ</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Phytopathology</MedlineTA><NlmUniqueID>9427222</NlmUniqueID><ISSNLinking>0031-949X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D002219">Carbamates</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D005659">Fungicides, Industrial</NameOfSubstance></Chemical><Chemical><RegistryNumber>94Q9V45M9B</RegistryNumber><NameOfSubstance UI="C488831">iprovalicarb</NameOfSubstance></Chemical><Chemical><RegistryNumber>HG18B9YRS7</RegistryNumber><NameOfSubstance UI="D014633">Valine</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D002219" MajorTopicYN="N">Carbamates</DescriptorName><QualifierName UI="Q000494" MajorTopicYN="Y">pharmacology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D025141" MajorTopicYN="Y">Drug Resistance, Fungal</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005659" MajorTopicYN="N">Fungicides, Industrial</DescriptorName><QualifierName UI="Q000494" MajorTopicYN="Y">pharmacology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010838" MajorTopicYN="N">Phytophthora</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="Y">drug effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014633" MajorTopicYN="N">Valine</DescriptorName><QualifierName UI="Q000031" MajorTopicYN="Y">analogs & derivatives</QualifierName><QualifierName UI="Q000494" MajorTopicYN="N">pharmacology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2010</Year><Month>10</Month><Day>12</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2010</Year><Month>10</Month><Day>12</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2010</Year><Month>12</Month><Day>22</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">20932164</ArticleId><ArticleId IdType="doi">10.1094/PHYTO-12-09-0351</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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