Differential Susceptibility of Tree Tomato (Solanum betaceum) Cultivars to Late Blight Caused by Phytophthora betacei.
Identifieur interne : 000241 ( Main/Exploration ); précédent : 000240; suivant : 000242Differential Susceptibility of Tree Tomato (Solanum betaceum) Cultivars to Late Blight Caused by Phytophthora betacei.
Auteurs : Maria F. Mideros [Colombie] ; Hilary Mayton [États-Unis] ; Giovanna Danies [Colombie] ; Luz E. Lagos [Colombie] ; William E. Fry [États-Unis] ; Silvia Restrepo [Colombie]Source :
- Plant disease [ 0191-2917 ] ; 2020.
Descripteurs français
- KwdFr :
- MESH :
- Wicri :
- geographic : Colombie.
English descriptors
- KwdEn :
- MESH :
- geographic : Colombia.
- Lycopersicon esculentum, Phytophthora, Plant Diseases, Solanum, Trees.
Abstract
Host-pathogen interactions of a new species of Phytophthora, causal agent of late blight of tree tomato (Solanum betaceum Cav.), identified as Phytophthora betacei, were investigated with four different cultivars. Thirty-six P. betacei isolates, collected from southern Colombia between 2008 and 2009, were used to inoculate common tree tomato cultivars, Común, Híbrido, Injerto, and Holandés. Data on incubation and latent periods as well as infection efficiency, lesion development, and total sporulation were collected via detached leaf assays. Significant differences in susceptibility, based on the parameters measured, were observed. Común was the most susceptible cultivar, followed by Injerto, Híbrido, and Holandés. The mean incubation period was lowest for Común at 125.6 h post-inoculation (hpi) and highest for Híbrido at 139.4 hpi. No significant differences in latent period were observed. All 36 isolates produced necrotic lesions on Común, and 33, 24, and 21 caused infection on Injerto, Híbrido, and Holandés, respectively. Two isolates were able to cause infection only on Común, and 13 isolates were able to infect all four cultivars. Infection efficiency was significantly higher for the cultivar Común, followed by Injerto, Híbrido, and Holandés. Average lesion size was larger on Común than on any other cultivar. An inverse relationship of lesion size and total sporulation was observed. Común had significantly lower total sporulation than Híbrido and Holandés, which had the smallest average lesion sizes. These data show variation in pathogenicity of P. betacei isolates, under controlled conditions, and differential susceptibility of four distinct S. betaceum cultivars.
DOI: 10.1094/PDIS-02-19-0307-RE
PubMed: 32040390
Affiliations:
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Mideros</name><affiliation wicri:level="1"><nlm:affiliation>Department of Biological Sciences, Universidad de los Andes, Bogotá, Colombia.</nlm:affiliation><country xml:lang="fr">Colombie</country><wicri:regionArea>Department of Biological Sciences, Universidad de los Andes, Bogotá</wicri:regionArea><wicri:noRegion>Bogotá</wicri:noRegion></affiliation></author><author><name sortKey="Mayton, Hilary" sort="Mayton, Hilary" uniqKey="Mayton H" first="Hilary" last="Mayton">Hilary Mayton</name><affiliation wicri:level="4"><nlm:affiliation>School of Integrative Plant Science, Cornell University, Ithaca, NY, U.S.A.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>School of Integrative Plant Science, Cornell University, Ithaca, NY</wicri:regionArea><placeName><region type="state">État de New York</region><settlement type="city">Ithaca (New York)</settlement></placeName><orgName type="university">Université Cornell</orgName></affiliation></author><author><name sortKey="Danies, Giovanna" sort="Danies, Giovanna" uniqKey="Danies G" first="Giovanna" last="Danies">Giovanna Danies</name><affiliation wicri:level="1"><nlm:affiliation>Department of Design, Universidad de los Andes, Bogotá, Colombia.</nlm:affiliation><country xml:lang="fr">Colombie</country><wicri:regionArea>Department of Design, Universidad de los Andes, Bogotá</wicri:regionArea><wicri:noRegion>Bogotá</wicri:noRegion></affiliation></author><author><name sortKey="Lagos, Luz E" sort="Lagos, Luz E" uniqKey="Lagos L" first="Luz E" last="Lagos">Luz E. Lagos</name><affiliation wicri:level="1"><nlm:affiliation>Department of Biology, Universidad de Nariño, Pasto, Colombia.</nlm:affiliation><country xml:lang="fr">Colombie</country><wicri:regionArea>Department of Biology, Universidad de Nariño, Pasto</wicri:regionArea><wicri:noRegion>Pasto</wicri:noRegion></affiliation></author><author><name sortKey="Fry, William E" sort="Fry, William E" uniqKey="Fry W" first="William E" last="Fry">William E. Fry</name><affiliation wicri:level="4"><nlm:affiliation>School of Integrative Plant Science, Cornell University, Ithaca, NY, U.S.A.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>School of Integrative Plant Science, Cornell University, Ithaca, NY</wicri:regionArea><placeName><region type="state">État de New York</region><settlement type="city">Ithaca (New York)</settlement></placeName><orgName type="university">Université Cornell</orgName></affiliation></author><author><name sortKey="Restrepo, Silvia" sort="Restrepo, Silvia" uniqKey="Restrepo S" first="Silvia" last="Restrepo">Silvia Restrepo</name><affiliation wicri:level="1"><nlm:affiliation>Department of Biological Sciences, Universidad de los Andes, Bogotá, Colombia.</nlm:affiliation><country xml:lang="fr">Colombie</country><wicri:regionArea>Department of Biological Sciences, Universidad de los Andes, Bogotá</wicri:regionArea><wicri:noRegion>Bogotá</wicri:noRegion></affiliation></author></analytic><series><title level="j">Plant disease</title><idno type="ISSN">0191-2917</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Colombia (MeSH)</term><term>Lycopersicon esculentum (MeSH)</term><term>Phytophthora (MeSH)</term><term>Plant Diseases (MeSH)</term><term>Solanum (MeSH)</term><term>Trees (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Arbres (MeSH)</term><term>Colombie (MeSH)</term><term>Lycopersicon esculentum (MeSH)</term><term>Maladies des plantes (MeSH)</term><term>Phytophthora (MeSH)</term><term>Solanum (MeSH)</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Colombia</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Lycopersicon esculentum</term><term>Phytophthora</term><term>Plant Diseases</term><term>Solanum</term><term>Trees</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Arbres</term><term>Colombie</term><term>Lycopersicon esculentum</term><term>Maladies des plantes</term><term>Phytophthora</term><term>Solanum</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Colombie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Host-pathogen interactions of a new species of <i>Phytophthora</i>, causal agent of late blight of tree tomato (<i>Solanum betaceum</i> Cav.), identified as <i>Phytophthora betacei</i>, were investigated with four different cultivars. Thirty-six <i>P. betacei</i> isolates, collected from southern Colombia between 2008 and 2009, were used to inoculate common tree tomato cultivars, Común, Híbrido, Injerto, and Holandés. Data on incubation and latent periods as well as infection efficiency, lesion development, and total sporulation were collected via detached leaf assays. Significant differences in susceptibility, based on the parameters measured, were observed. Común was the most susceptible cultivar, followed by Injerto, Híbrido, and Holandés. The mean incubation period was lowest for Común at 125.6 h post-inoculation (hpi) and highest for Híbrido at 139.4 hpi. No significant differences in latent period were observed. All 36 isolates produced necrotic lesions on Común, and 33, 24, and 21 caused infection on Injerto, Híbrido, and Holandés, respectively. Two isolates were able to cause infection only on Común, and 13 isolates were able to infect all four cultivars. Infection efficiency was significantly higher for the cultivar Común, followed by Injerto, Híbrido, and Holandés. Average lesion size was larger on Común than on any other cultivar. An inverse relationship of lesion size and total sporulation was observed. Común had significantly lower total sporulation than Híbrido and Holandés, which had the smallest average lesion sizes. These data show variation in pathogenicity of <i>P. betacei</i> isolates, under controlled conditions, and differential susceptibility of four distinct <i>S. betaceum</i> cultivars.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Automated" Owner="NLM"><PMID Version="1">32040390</PMID><DateCompleted><Year>2020</Year><Month>04</Month><Day>07</Day></DateCompleted><DateRevised><Year>2020</Year><Month>04</Month><Day>08</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0191-2917</ISSN><JournalIssue CitedMedium="Print"><Volume>104</Volume><Issue>4</Issue><PubDate><Year>2020</Year><Month>Apr</Month></PubDate></JournalIssue><Title>Plant disease</Title><ISOAbbreviation>Plant Dis</ISOAbbreviation></Journal><ArticleTitle>Differential Susceptibility of Tree Tomato (<i>Solanum betaceum</i>) Cultivars to Late Blight Caused by <i>Phytophthora betacei</i>.</ArticleTitle><Pagination><MedlinePgn>1113-1117</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1094/PDIS-02-19-0307-RE</ELocationID><Abstract><AbstractText>Host-pathogen interactions of a new species of <i>Phytophthora</i>, causal agent of late blight of tree tomato (<i>Solanum betaceum</i> Cav.), identified as <i>Phytophthora betacei</i>, were investigated with four different cultivars. Thirty-six <i>P. betacei</i> isolates, collected from southern Colombia between 2008 and 2009, were used to inoculate common tree tomato cultivars, Común, Híbrido, Injerto, and Holandés. Data on incubation and latent periods as well as infection efficiency, lesion development, and total sporulation were collected via detached leaf assays. Significant differences in susceptibility, based on the parameters measured, were observed. Común was the most susceptible cultivar, followed by Injerto, Híbrido, and Holandés. The mean incubation period was lowest for Común at 125.6 h post-inoculation (hpi) and highest for Híbrido at 139.4 hpi. No significant differences in latent period were observed. All 36 isolates produced necrotic lesions on Común, and 33, 24, and 21 caused infection on Injerto, Híbrido, and Holandés, respectively. Two isolates were able to cause infection only on Común, and 13 isolates were able to infect all four cultivars. Infection efficiency was significantly higher for the cultivar Común, followed by Injerto, Híbrido, and Holandés. Average lesion size was larger on Común than on any other cultivar. An inverse relationship of lesion size and total sporulation was observed. Común had significantly lower total sporulation than Híbrido and Holandés, which had the smallest average lesion sizes. These data show variation in pathogenicity of <i>P. betacei</i> isolates, under controlled conditions, and differential susceptibility of four distinct <i>S. betaceum</i> cultivars.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Mideros</LastName><ForeName>Maria F</ForeName><Initials>MF</Initials><AffiliationInfo><Affiliation>Department of Biological Sciences, Universidad de los Andes, Bogotá, Colombia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Mayton</LastName><ForeName>Hilary</ForeName><Initials>H</Initials><Identifier Source="ORCID">http://orcid.org/0000-0001-5325-6980</Identifier><AffiliationInfo><Affiliation>School of Integrative Plant Science, Cornell University, Ithaca, NY, U.S.A.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Danies</LastName><ForeName>Giovanna</ForeName><Initials>G</Initials><AffiliationInfo><Affiliation>Department of Design, Universidad de los Andes, Bogotá, Colombia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lagos</LastName><ForeName>Luz E</ForeName><Initials>LE</Initials><AffiliationInfo><Affiliation>Department of Biology, Universidad de Nariño, Pasto, Colombia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Fry</LastName><ForeName>William E</ForeName><Initials>WE</Initials><AffiliationInfo><Affiliation>School of Integrative Plant Science, Cornell University, Ithaca, NY, U.S.A.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Restrepo</LastName><ForeName>Silvia</ForeName><Initials>S</Initials><Identifier Source="ORCID">http://orcid.org/0000-0001-9016-1040</Identifier><AffiliationInfo><Affiliation>Department of Biological Sciences, Universidad de los Andes, Bogotá, Colombia.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2020</Year><Month>02</Month><Day>10</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="D003105" MajorTopicYN="N" Type="Geographic">Colombia</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018551" MajorTopicYN="Y">Lycopersicon esculentum</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010838" MajorTopicYN="Y">Phytophthora</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010935" MajorTopicYN="N">Plant Diseases</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032322" MajorTopicYN="Y">Solanum</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014197" MajorTopicYN="N">Trees</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Phytophthora betacei</Keyword><Keyword MajorTopicYN="N">late blight</Keyword><Keyword MajorTopicYN="N">tree tomato</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>2</Month><Day>11</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>4</Month><Day>9</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>2</Month><Day>11</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">32040390</ArticleId><ArticleId IdType="doi">10.1094/PDIS-02-19-0307-RE</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Colombie</li><li>États-Unis</li></country><region><li>État de New York</li></region><settlement><li>Ithaca (New York)</li></settlement><orgName><li>Université Cornell</li></orgName></list><tree><country name="Colombie"><noRegion><name sortKey="Mideros, Maria F" sort="Mideros, Maria F" uniqKey="Mideros M" first="Maria F" last="Mideros">Maria F. Mideros</name></noRegion><name sortKey="Danies, Giovanna" sort="Danies, Giovanna" uniqKey="Danies G" first="Giovanna" last="Danies">Giovanna Danies</name><name sortKey="Lagos, Luz E" sort="Lagos, Luz E" uniqKey="Lagos L" first="Luz E" last="Lagos">Luz E. Lagos</name><name sortKey="Restrepo, Silvia" sort="Restrepo, Silvia" uniqKey="Restrepo S" first="Silvia" last="Restrepo">Silvia Restrepo</name></country><country name="États-Unis"><region name="État de New York"><name sortKey="Mayton, Hilary" sort="Mayton, Hilary" uniqKey="Mayton H" first="Hilary" last="Mayton">Hilary Mayton</name></region><name sortKey="Fry, William E" sort="Fry, William E" uniqKey="Fry W" first="William E" last="Fry">William E. Fry</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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