Detached-Leaflet Evaluation of Tomato Germplasm for Late Blight Resistance and Its Correspondence to Field and Greenhouse Screenings.
Identifieur interne : 000E94 ( Main/Exploration ); précédent : 000E93; suivant : 000E95Detached-Leaflet Evaluation of Tomato Germplasm for Late Blight Resistance and Its Correspondence to Field and Greenhouse Screenings.
Auteurs : Majid R. Foolad [États-Unis] ; Matthew T. Sullenberger [États-Unis] ; Hamid Ashrafi [États-Unis]Source :
- Plant disease [ 0191-2917 ] ; 2015.
Abstract
Breeding for disease resistance requires efficient techniques for screening large plant populations. Late blight (LB), caused by the oomycete Phytophthora infestans, is one of the most devastating diseases of tomato (Solanum lycopersicum) worldwide, and there is a great interest in developing cultivars with resistance to this pathogen. Screening for LB resistance is commonly conducted under field or greenhouse conditions using whole plants. In a previous study, we demonstrated correspondence between field and greenhouse screening of tomato for LB resistance. Here, we report the use of a detached-leaflet assay for such screening. Seventy-two genotypes from two tomato species, varying in degree of resistance and susceptibility to LB, were evaluated in two replicated experiments for response to LB in a detached-leaflet assay, and the results were compared with those previously obtained from field and greenhouse screening of the same genotypes. There were significant (P < 0.001) positive correlations between replications (average r = 0.75) and experiments (average r = 0.72), suggesting that the detached-leaflet experiments were consistent. Further, there were significant (P < 0.001) positive correlations between responses in the detached-leaflet assay and those from field (r = 0.82) and greenhouse screenings (r = 0.84), suggesting reliability of the detached-leaflet assay. The results indicate the utility of the detached-leaflet assay for evaluating tomato for LB resistance, which may facilitate screening of large breeding populations.
DOI: 10.1094/PDIS-08-14-0794-RE
PubMed: 30699677
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Foolad</name><affiliation wicri:level="4"><nlm:affiliation>Department of Plant Science and the Intercollege Graduate Degree Programs in Plant Biology and MCIBS, The Pennsylvania State University, University Park 16802.</nlm:affiliation><orgName type="university">Université d'État de Pennsylvanie</orgName><country>États-Unis</country><placeName><settlement type="city">University Park (Pennsylvanie)</settlement><region type="state">Pennsylvanie</region></placeName></affiliation></author><author><name sortKey="Sullenberger, Matthew T" sort="Sullenberger, Matthew T" uniqKey="Sullenberger M" first="Matthew T" last="Sullenberger">Matthew T. Sullenberger</name><affiliation wicri:level="4"><nlm:affiliation>Department of Plant Science and the Intercollege Graduate Degree Programs in Plant Biology, The Pennsylvania State University.</nlm:affiliation><country>États-Unis</country><placeName><settlement type="city">University Park (Pennsylvanie)</settlement><region type="state">Pennsylvanie</region></placeName><orgName type="university">Université d'État de Pennsylvanie</orgName></affiliation></author><author><name sortKey="Ashrafi, Hamid" sort="Ashrafi, Hamid" uniqKey="Ashrafi H" first="Hamid" last="Ashrafi">Hamid Ashrafi</name><affiliation wicri:level="4"><nlm:affiliation>Department of Plant Science, The Pennsylvania State University.</nlm:affiliation><country>États-Unis</country><placeName><settlement type="city">University Park (Pennsylvanie)</settlement><region type="state">Pennsylvanie</region></placeName><orgName type="university">Université d'État de Pennsylvanie</orgName></affiliation></author></analytic><series><title level="j">Plant disease</title><idno type="ISSN">0191-2917</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Breeding for disease resistance requires efficient techniques for screening large plant populations. Late blight (LB), caused by the oomycete Phytophthora infestans, is one of the most devastating diseases of tomato (Solanum lycopersicum) worldwide, and there is a great interest in developing cultivars with resistance to this pathogen. Screening for LB resistance is commonly conducted under field or greenhouse conditions using whole plants. In a previous study, we demonstrated correspondence between field and greenhouse screening of tomato for LB resistance. Here, we report the use of a detached-leaflet assay for such screening. Seventy-two genotypes from two tomato species, varying in degree of resistance and susceptibility to LB, were evaluated in two replicated experiments for response to LB in a detached-leaflet assay, and the results were compared with those previously obtained from field and greenhouse screening of the same genotypes. There were significant (P < 0.001) positive correlations between replications (average r = 0.75) and experiments (average r = 0.72), suggesting that the detached-leaflet experiments were consistent. Further, there were significant (P < 0.001) positive correlations between responses in the detached-leaflet assay and those from field (r = 0.82) and greenhouse screenings (r = 0.84), suggesting reliability of the detached-leaflet assay. The results indicate the utility of the detached-leaflet assay for evaluating tomato for LB resistance, which may facilitate screening of large breeding populations.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">30699677</PMID><DateRevised><Year>2019</Year><Month>11</Month><Day>20</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0191-2917</ISSN><JournalIssue CitedMedium="Print"><Volume>99</Volume><Issue>5</Issue><PubDate><Year>2015</Year><Month>May</Month></PubDate></JournalIssue><Title>Plant disease</Title><ISOAbbreviation>Plant Dis</ISOAbbreviation></Journal><ArticleTitle>Detached-Leaflet Evaluation of Tomato Germplasm for Late Blight Resistance and Its Correspondence to Field and Greenhouse Screenings.</ArticleTitle><Pagination><MedlinePgn>718-722</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1094/PDIS-08-14-0794-RE</ELocationID><Abstract><AbstractText>Breeding for disease resistance requires efficient techniques for screening large plant populations. Late blight (LB), caused by the oomycete Phytophthora infestans, is one of the most devastating diseases of tomato (Solanum lycopersicum) worldwide, and there is a great interest in developing cultivars with resistance to this pathogen. Screening for LB resistance is commonly conducted under field or greenhouse conditions using whole plants. In a previous study, we demonstrated correspondence between field and greenhouse screening of tomato for LB resistance. Here, we report the use of a detached-leaflet assay for such screening. Seventy-two genotypes from two tomato species, varying in degree of resistance and susceptibility to LB, were evaluated in two replicated experiments for response to LB in a detached-leaflet assay, and the results were compared with those previously obtained from field and greenhouse screening of the same genotypes. There were significant (P < 0.001) positive correlations between replications (average r = 0.75) and experiments (average r = 0.72), suggesting that the detached-leaflet experiments were consistent. Further, there were significant (P < 0.001) positive correlations between responses in the detached-leaflet assay and those from field (r = 0.82) and greenhouse screenings (r = 0.84), suggesting reliability of the detached-leaflet assay. The results indicate the utility of the detached-leaflet assay for evaluating tomato for LB resistance, which may facilitate screening of large breeding populations.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Foolad</LastName><ForeName>Majid R</ForeName><Initials>MR</Initials><AffiliationInfo><Affiliation>Department of Plant Science and the Intercollege Graduate Degree Programs in Plant Biology and MCIBS, The Pennsylvania State University, University Park 16802.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Sullenberger</LastName><ForeName>Matthew T</ForeName><Initials>MT</Initials><AffiliationInfo><Affiliation>Department of Plant Science and the Intercollege Graduate Degree Programs in Plant Biology, The Pennsylvania State University.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ashrafi</LastName><ForeName>Hamid</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Department of Plant Science, The Pennsylvania State University.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Plant Dis</MedlineTA><NlmUniqueID>9882809</NlmUniqueID><ISSNLinking>0191-2917</ISSNLinking></MedlineJournalInfo></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2019</Year><Month>2</Month><Day>1</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2015</Year><Month>5</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2015</Year><Month>5</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">30699677</ArticleId><ArticleId IdType="doi">10.1094/PDIS-08-14-0794-RE</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Pennsylvanie</li></region><settlement><li>University Park (Pennsylvanie)</li></settlement><orgName><li>Université d'État de Pennsylvanie</li></orgName></list><tree><country name="États-Unis"><region name="Pennsylvanie"><name sortKey="Foolad, Majid R" sort="Foolad, Majid R" uniqKey="Foolad M" first="Majid R" last="Foolad">Majid R. Foolad</name></region><name sortKey="Ashrafi, Hamid" sort="Ashrafi, Hamid" uniqKey="Ashrafi H" first="Hamid" last="Ashrafi">Hamid Ashrafi</name><name sortKey="Sullenberger, Matthew T" sort="Sullenberger, Matthew T" uniqKey="Sullenberger M" first="Matthew T" last="Sullenberger">Matthew T. Sullenberger</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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