Variation in Resistance of Populus nigra to Sphaerulina musiva in the North-Central United States.
Identifieur interne : 001604 ( Main/Exploration ); précédent : 001603; suivant : 001605Variation in Resistance of Populus nigra to Sphaerulina musiva in the North-Central United States.
Auteurs : Kelsey L. Dunnell ; Bill Berguson [États-Unis] ; Bernard Mcmahon [États-Unis] ; Jared M. LeboldusSource :
- Plant disease [ 0191-2917 ] ; 2016.
Abstract
Populus nigra, commonly used in hybrid poplar breeding programs in the north-central United States, is susceptible to Septoria stem canker, caused by Sphaerulina musiva. In this study, two experiments were conducted to (i) characterize the variation in resistance of 47 genotypes of P. nigra collected from seven locations in Europe in terms of cankers per centimeter and disease severity score; (ii) determine whether location, isolate, genotype, or their interactions significantly affect cankers per centimeter and disease severity score; and (iii) examine the correlation of disease severity score between single-isolate and bulk-isolate inoculations. The majority of the variation in resistance for cankers per centimeter was explained by location (72%; P < 0.001) followed by genotype(location) (28%; P < 0.001). In contrast, the majority of the variation in disease severity score was explained by genotype-location (51%; P < 0.001) followed by location (26%; P = 0.025). The disease severity score model also indicated the presence of a significant isolate effect (P = 0.034) and genotype(location) × isolate interaction (P = 0.004). The correlation coefficients for disease severity score indicated a significant range of correlations (r = 0.871 to r = 0.952) when correlating single-isolate to bulk-isolate inoculations.
DOI: 10.1094/PDIS-05-15-0516-RE
PubMed: 30694132
Affiliations:
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Dunnell</name><affiliation><nlm:affiliation>Department of Botany and Plant Pathology, Oregon State University, Corvallis 97331.</nlm:affiliation><wicri:noCountry code="subField">Corvallis 97331</wicri:noCountry></affiliation></author><author><name sortKey="Berguson, Bill" sort="Berguson, Bill" uniqKey="Berguson B" first="Bill" last="Berguson">Bill Berguson</name><affiliation wicri:level="2"><nlm:affiliation>Natural Resources Research Institute, Duluth, MN 55811.</nlm:affiliation><country xml:lang="fr">États-Unis</country><placeName><region type="state">Minnesota</region></placeName><wicri:cityArea>Natural Resources Research Institute, Duluth</wicri:cityArea></affiliation></author><author><name sortKey="Mcmahon, Bernard" sort="Mcmahon, Bernard" uniqKey="Mcmahon B" first="Bernard" last="Mcmahon">Bernard Mcmahon</name><affiliation wicri:level="2"><nlm:affiliation>Natural Resources Research Institute, Duluth, MN 55811.</nlm:affiliation><country xml:lang="fr">États-Unis</country><placeName><region type="state">Minnesota</region></placeName><wicri:cityArea>Natural Resources Research Institute, Duluth</wicri:cityArea></affiliation></author><author><name sortKey="Leboldus, Jared M" sort="Leboldus, Jared M" uniqKey="Leboldus J" first="Jared M" last="Leboldus">Jared M. Leboldus</name><affiliation><nlm:affiliation>Department of Plant Pathology, North Dakota State University, Fargo and Department of Botany and Plant Pathology, Oregon State University, Corvallis 97331.</nlm:affiliation><wicri:noCountry code="subField">Corvallis 97331</wicri:noCountry></affiliation></author></analytic><series><title level="j">Plant disease</title><idno type="ISSN">0191-2917</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Populus nigra, commonly used in hybrid poplar breeding programs in the north-central United States, is susceptible to Septoria stem canker, caused by Sphaerulina musiva. In this study, two experiments were conducted to (i) characterize the variation in resistance of 47 genotypes of P. nigra collected from seven locations in Europe in terms of cankers per centimeter and disease severity score; (ii) determine whether location, isolate, genotype, or their interactions significantly affect cankers per centimeter and disease severity score; and (iii) examine the correlation of disease severity score between single-isolate and bulk-isolate inoculations. The majority of the variation in resistance for cankers per centimeter was explained by location (72%; P < 0.001) followed by genotype(location) (28%; P < 0.001). In contrast, the majority of the variation in disease severity score was explained by genotype-location (51%; P < 0.001) followed by location (26%; P = 0.025). The disease severity score model also indicated the presence of a significant isolate effect (P = 0.034) and genotype(location) × isolate interaction (P = 0.004). The correlation coefficients for disease severity score indicated a significant range of correlations (r = 0.871 to r = 0.952) when correlating single-isolate to bulk-isolate inoculations.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">30694132</PMID><DateRevised><Year>2019</Year><Month>11</Month><Day>20</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0191-2917</ISSN><JournalIssue CitedMedium="Print"><Volume>100</Volume><Issue>2</Issue><PubDate><Year>2016</Year><Month>Feb</Month></PubDate></JournalIssue><Title>Plant disease</Title><ISOAbbreviation>Plant Dis</ISOAbbreviation></Journal><ArticleTitle>Variation in Resistance of Populus nigra to Sphaerulina musiva in the North-Central United States.</ArticleTitle><Pagination><MedlinePgn>287-291</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1094/PDIS-05-15-0516-RE</ELocationID><Abstract><AbstractText>Populus nigra, commonly used in hybrid poplar breeding programs in the north-central United States, is susceptible to Septoria stem canker, caused by Sphaerulina musiva. In this study, two experiments were conducted to (i) characterize the variation in resistance of 47 genotypes of P. nigra collected from seven locations in Europe in terms of cankers per centimeter and disease severity score; (ii) determine whether location, isolate, genotype, or their interactions significantly affect cankers per centimeter and disease severity score; and (iii) examine the correlation of disease severity score between single-isolate and bulk-isolate inoculations. The majority of the variation in resistance for cankers per centimeter was explained by location (72%; P < 0.001) followed by genotype(location) (28%; P < 0.001). In contrast, the majority of the variation in disease severity score was explained by genotype-location (51%; P < 0.001) followed by location (26%; P = 0.025). The disease severity score model also indicated the presence of a significant isolate effect (P = 0.034) and genotype(location) × isolate interaction (P = 0.004). 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Dunnell</name><name sortKey="Leboldus, Jared M" sort="Leboldus, Jared M" uniqKey="Leboldus J" first="Jared M" last="Leboldus">Jared M. Leboldus</name></noCountry><country name="États-Unis"><region name="Minnesota"><name sortKey="Berguson, Bill" sort="Berguson, Bill" uniqKey="Berguson B" first="Bill" last="Berguson">Bill Berguson</name></region><name sortKey="Mcmahon, Bernard" sort="Mcmahon, Bernard" uniqKey="Mcmahon B" first="Bernard" last="Mcmahon">Bernard Mcmahon</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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