Film-Forming Polymers and Surfactants Reduce Infection and Sporulation of Phytophthora ramorum on Rhododendron.
Identifieur interne : 000510 ( Main/Exploration ); précédent : 000509; suivant : 000511Film-Forming Polymers and Surfactants Reduce Infection and Sporulation of Phytophthora ramorum on Rhododendron.
Auteurs : Ebba K. Peterson [États-Unis] ; Eric R. Larson [États-Unis] ; Jennifer L. Parke [États-Unis]Source :
- Plant disease [ 0191-2917 ] ; 2019.
Descripteurs français
- KwdFr :
- MESH :
- composition chimique : Fongicides industriels, Polymères, Tensioactifs.
- microbiologie : Rhododendron.
- pharmacologie : Fongicides industriels, Polymères, Tensioactifs.
- physiologie : Phytophthora.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Fungicides, Industrial, Polymers, Surface-Active Agents.
- chemical , pharmacology : Fungicides, Industrial, Polymers, Surface-Active Agents.
- microbiology : Rhododendron.
- physiology : Phytophthora.
Abstract
Phytophthora ramorum, cause of sudden oak death and ramorum leaf blight, can persist undetected in infested nurseries. Many conventional fungicides are effective in reducing or delaying symptom expression but some may confound visual detection of infected plants. We tested film-forming polymers (FFPs) and surfactants for their ability to reduce infection and sporulation of P. ramorum on rhododendron. FFPs (Anti-Stress, Moisturin, Nature Shield, Nu-Film, and Vapor Gard) and surfactants (Tergitol, Zonix, and an unregistered AGAE product) were screened in detached-leaf assays. Anti-Stress, Nu-Film, Zonix, and a Nu-Film-Zonix mixture were additionally tested for durability, protection against exposure to infested water, and a reduction in sporulation. FFP effectiveness was retained for at least 3 weeks of exposure to overhead irrigation and rain. Relative to controls, foliar treatments protected rhododendron branches exposed to infested water. No treatments prevented symptom development when applied postinfection but leaves treated with Anti-Stress, Zonix, and the Nu-Film-Zonix mixture produced significantly fewer sporangia relative to controls. Application of FFPs and surfactants to quarantined, potentially infected plants offers a management tool for reducing infection and sporulation but not symptom expression, thereby limiting disease spread without interfering with disease detection.
DOI: 10.1094/PDIS-05-18-0802-RE
PubMed: 30964419
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Parke</name><affiliation wicri:level="2"><nlm:affiliation>1 Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331; and.</nlm:affiliation><country xml:lang="fr">États-Unis</country><placeName><region type="state">Oregon</region></placeName><wicri:cityArea>1 Department of Botany and Plant Pathology, Oregon State University, Corvallis</wicri:cityArea></affiliation><affiliation wicri:level="2"><nlm:affiliation>2 Department of Crop and Soil Science, Oregon State University, Corvallis, OR 97331.</nlm:affiliation><country xml:lang="fr">États-Unis</country><placeName><region type="state">Oregon</region></placeName><wicri:cityArea>2 Department of Crop and Soil Science, Oregon State University, Corvallis</wicri:cityArea></affiliation></author></analytic><series><title level="j">Plant disease</title><idno type="ISSN">0191-2917</idno><imprint><date when="2019" type="published">2019</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Fungicides, Industrial (chemistry)</term><term>Fungicides, Industrial (pharmacology)</term><term>Phytophthora (physiology)</term><term>Polymers (chemistry)</term><term>Polymers (pharmacology)</term><term>Rhododendron (microbiology)</term><term>Surface-Active Agents (chemistry)</term><term>Surface-Active Agents (pharmacology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Fongicides industriels (composition chimique)</term><term>Fongicides industriels (pharmacologie)</term><term>Phytophthora (physiologie)</term><term>Polymères (composition chimique)</term><term>Polymères (pharmacologie)</term><term>Rhododendron (microbiologie)</term><term>Tensioactifs (composition chimique)</term><term>Tensioactifs (pharmacologie)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Fungicides, Industrial</term><term>Polymers</term><term>Surface-Active Agents</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Fungicides, Industrial</term><term>Polymers</term><term>Surface-Active Agents</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Fongicides industriels</term><term>Polymères</term><term>Tensioactifs</term></keywords><keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Rhododendron</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Rhododendron</term></keywords><keywords scheme="MESH" qualifier="pharmacologie" xml:lang="fr"><term>Fongicides industriels</term><term>Polymères</term><term>Tensioactifs</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Phytophthora</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Phytophthora</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><i>Phytophthora ramorum</i>, cause of sudden oak death and ramorum leaf blight, can persist undetected in infested nurseries. Many conventional fungicides are effective in reducing or delaying symptom expression but some may confound visual detection of infected plants. We tested film-forming polymers (FFPs) and surfactants for their ability to reduce infection and sporulation of <i>P. ramorum</i> on rhododendron. FFPs (Anti-Stress, Moisturin, Nature Shield, Nu-Film, and Vapor Gard) and surfactants (Tergitol, Zonix, and an unregistered AGAE product) were screened in detached-leaf assays. Anti-Stress, Nu-Film, Zonix, and a Nu-Film-Zonix mixture were additionally tested for durability, protection against exposure to infested water, and a reduction in sporulation. FFP effectiveness was retained for at least 3 weeks of exposure to overhead irrigation and rain. Relative to controls, foliar treatments protected rhododendron branches exposed to infested water. No treatments prevented symptom development when applied postinfection but leaves treated with Anti-Stress, Zonix, and the Nu-Film-Zonix mixture produced significantly fewer sporangia relative to controls. Application of FFPs and surfactants to quarantined, potentially infected plants offers a management tool for reducing infection and sporulation but not symptom expression, thereby limiting disease spread without interfering with disease detection.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Curated" Owner="NLM"><PMID Version="1">30964419</PMID><DateCompleted><Year>2019</Year><Month>08</Month><Day>07</Day></DateCompleted><DateRevised><Year>2019</Year><Month>08</Month><Day>07</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0191-2917</ISSN><JournalIssue CitedMedium="Print"><Volume>103</Volume><Issue>6</Issue><PubDate><Year>2019</Year><Month>Jun</Month></PubDate></JournalIssue><Title>Plant disease</Title><ISOAbbreviation>Plant Dis</ISOAbbreviation></Journal><ArticleTitle>Film-Forming Polymers and Surfactants Reduce Infection and Sporulation of <i>Phytophthora ramorum</i> on Rhododendron.</ArticleTitle><Pagination><MedlinePgn>1148-1155</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1094/PDIS-05-18-0802-RE</ELocationID><Abstract><AbstractText><i>Phytophthora ramorum</i>, cause of sudden oak death and ramorum leaf blight, can persist undetected in infested nurseries. Many conventional fungicides are effective in reducing or delaying symptom expression but some may confound visual detection of infected plants. We tested film-forming polymers (FFPs) and surfactants for their ability to reduce infection and sporulation of <i>P. ramorum</i> on rhododendron. FFPs (Anti-Stress, Moisturin, Nature Shield, Nu-Film, and Vapor Gard) and surfactants (Tergitol, Zonix, and an unregistered AGAE product) were screened in detached-leaf assays. Anti-Stress, Nu-Film, Zonix, and a Nu-Film-Zonix mixture were additionally tested for durability, protection against exposure to infested water, and a reduction in sporulation. FFP effectiveness was retained for at least 3 weeks of exposure to overhead irrigation and rain. Relative to controls, foliar treatments protected rhododendron branches exposed to infested water. No treatments prevented symptom development when applied postinfection but leaves treated with Anti-Stress, Zonix, and the Nu-Film-Zonix mixture produced significantly fewer sporangia relative to controls. Application of FFPs and surfactants to quarantined, potentially infected plants offers a management tool for reducing infection and sporulation but not symptom expression, thereby limiting disease spread without interfering with disease detection.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Peterson</LastName><ForeName>Ebba K</ForeName><Initials>EK</Initials><Identifier Source="ORCID">http://orcid.org/0000-0002-9743-6964</Identifier><AffiliationInfo><Affiliation>1 Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331; and.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Larson</LastName><ForeName>Eric R</ForeName><Initials>ER</Initials><AffiliationInfo><Affiliation>2 Department of Crop and Soil Science, Oregon State University, Corvallis, OR 97331.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Parke</LastName><ForeName>Jennifer L</ForeName><Initials>JL</Initials><AffiliationInfo><Affiliation>1 Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331; and.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>2 Department of Crop and Soil Science, Oregon State University, Corvallis, OR 97331.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2019</Year><Month>04</Month><Day>09</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Plant Dis</MedlineTA><NlmUniqueID>9882809</NlmUniqueID><ISSNLinking>0191-2917</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D005659">Fungicides, Industrial</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D011108">Polymers</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D013501">Surface-Active Agents</NameOfSubstance></Chemical></ChemicalList><MeshHeadingList><MeshHeading><DescriptorName UI="D005659" MajorTopicYN="Y">Fungicides, Industrial</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName><QualifierName UI="Q000494" MajorTopicYN="N">pharmacology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010838" MajorTopicYN="Y">Phytophthora</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011108" MajorTopicYN="Y">Polymers</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName><QualifierName UI="Q000494" MajorTopicYN="N">pharmacology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D029793" MajorTopicYN="Y">Rhododendron</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013501" MajorTopicYN="Y">Surface-Active Agents</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName><QualifierName UI="Q000494" MajorTopicYN="N">pharmacology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2019</Year><Month>4</Month><Day>10</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2019</Year><Month>8</Month><Day>8</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2019</Year><Month>4</Month><Day>10</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">30964419</ArticleId><ArticleId IdType="doi">10.1094/PDIS-05-18-0802-RE</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Oregon</li></region></list><tree><country name="États-Unis"><region name="Oregon"><name sortKey="Peterson, Ebba K" sort="Peterson, Ebba K" uniqKey="Peterson E" first="Ebba K" last="Peterson">Ebba K. Peterson</name></region><name sortKey="Larson, Eric R" sort="Larson, Eric R" uniqKey="Larson E" first="Eric R" last="Larson">Eric R. Larson</name><name sortKey="Parke, Jennifer L" sort="Parke, Jennifer L" uniqKey="Parke J" first="Jennifer L" last="Parke">Jennifer L. Parke</name><name sortKey="Parke, Jennifer L" sort="Parke, Jennifer L" uniqKey="Parke J" first="Jennifer L" last="Parke">Jennifer L. Parke</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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