Inheritance and heritability of resistance to citrus leprosis.
Identifieur interne : 000B70 ( PubMed/Checkpoint ); précédent : 000B69; suivant : 000B71Inheritance and heritability of resistance to citrus leprosis.
Auteurs : Marinês Bastianel ; Antonio Carlos De Oliveira ; Mariângela Cristofani ; Oliveiro Guerreiro Filho ; Juliana Freitas-Astúa ; Vandeclei Rodrigues ; Gustavo Astúa-Monge ; Marcos Antônio MachadoSource :
- Phytopathology [ 0031-949X ] ; 2006.
Abstract
ABSTRACT The genetic inheritance of resistance to leprosis, the most important viral disease of citrus in Brazil, was characterized through the phenotypic assessment of 143 hybrids resulting from crosses between tangor 'Murcott' (Citrus sinensis x C. reticulata) and sweet orange 'Pêra' (C. sinensis), considered to be resistant and susceptible to the disease, respectively. All plants were grafted onto Rangpur lime (C. limonia) and inoculated with Citrus leprosis virus, cytoplasmic type through the infestation with viruliferous mites, Brevipalpus phoenicis. The experiments were arranged in a completely randomized block design with 10 replicates. Incidence and severity of the disease in leaves and stems as well as plant growth parameters (plant height and stem diameter) were recorded for 3 years after the infestation with the viruliferous mites. The average values of all variables were analyzed using principal component analysis, discriminant factorial analysis, estimation of the clonal repeatability coefficients, and frequency of the distributions of the average values for each measured variable. The principal component analysis resulted in the identification of at least two groups with resistance and susceptibility to leprosis, respectively. About 99% of all hybrids were correctly classified according to the discriminant factorial analysis. The broad-sense heritability coefficients for characteristics associated with incidence and severity of leprosis ranged from 0.88 to 0.96. The data suggest that the inheritance of resistance to leprosis may be controlled by only a few genes.
DOI: 10.1094/PHYTO-96-1092
PubMed: 18943497
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All plants were grafted onto Rangpur lime (C. limonia) and inoculated with Citrus leprosis virus, cytoplasmic type through the infestation with viruliferous mites, Brevipalpus phoenicis. The experiments were arranged in a completely randomized block design with 10 replicates. Incidence and severity of the disease in leaves and stems as well as plant growth parameters (plant height and stem diameter) were recorded for 3 years after the infestation with the viruliferous mites. The average values of all variables were analyzed using principal component analysis, discriminant factorial analysis, estimation of the clonal repeatability coefficients, and frequency of the distributions of the average values for each measured variable. The principal component analysis resulted in the identification of at least two groups with resistance and susceptibility to leprosis, respectively. About 99% of all hybrids were correctly classified according to the discriminant factorial analysis. The broad-sense heritability coefficients for characteristics associated with incidence and severity of leprosis ranged from 0.88 to 0.96. The data suggest that the inheritance of resistance to leprosis may be controlled by only a few genes.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">18943497</PMID><DateCreated><Year>2008</Year><Month>10</Month><Day>23</Day></DateCreated><DateCompleted><Year>2012</Year><Month>10</Month><Day>02</Day></DateCompleted><DateRevised><Year>2008</Year><Month>10</Month><Day>23</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0031-949X</ISSN><JournalIssue CitedMedium="Print"><Volume>96</Volume><Issue>10</Issue><PubDate><Year>2006</Year><Month>Oct</Month></PubDate></JournalIssue><Title>Phytopathology</Title><ISOAbbreviation>Phytopathology</ISOAbbreviation></Journal><ArticleTitle>Inheritance and heritability of resistance to citrus leprosis.</ArticleTitle><Pagination><MedlinePgn>1092-6</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1094/PHYTO-96-1092</ELocationID><Abstract><AbstractText>ABSTRACT The genetic inheritance of resistance to leprosis, the most important viral disease of citrus in Brazil, was characterized through the phenotypic assessment of 143 hybrids resulting from crosses between tangor 'Murcott' (Citrus sinensis x C. reticulata) and sweet orange 'Pêra' (C. sinensis), considered to be resistant and susceptible to the disease, respectively. All plants were grafted onto Rangpur lime (C. limonia) and inoculated with Citrus leprosis virus, cytoplasmic type through the infestation with viruliferous mites, Brevipalpus phoenicis. The experiments were arranged in a completely randomized block design with 10 replicates. Incidence and severity of the disease in leaves and stems as well as plant growth parameters (plant height and stem diameter) were recorded for 3 years after the infestation with the viruliferous mites. The average values of all variables were analyzed using principal component analysis, discriminant factorial analysis, estimation of the clonal repeatability coefficients, and frequency of the distributions of the average values for each measured variable. The principal component analysis resulted in the identification of at least two groups with resistance and susceptibility to leprosis, respectively. About 99% of all hybrids were correctly classified according to the discriminant factorial analysis. The broad-sense heritability coefficients for characteristics associated with incidence and severity of leprosis ranged from 0.88 to 0.96. The data suggest that the inheritance of resistance to leprosis may be controlled by only a few genes.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Bastianel</LastName><ForeName>Marinês</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>de Oliveira</LastName><ForeName>Antonio Carlos</ForeName><Initials>AC</Initials></Author><Author ValidYN="Y"><LastName>Cristofani</LastName><ForeName>Mariângela</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Filho</LastName><ForeName>Oliveiro Guerreiro</ForeName><Initials>OG</Initials></Author><Author ValidYN="Y"><LastName>Freitas-Astúa</LastName><ForeName>Juliana</ForeName><Initials>J</Initials></Author><Author ValidYN="Y"><LastName>Rodrigues</LastName><ForeName>Vandeclei</ForeName><Initials>V</Initials></Author><Author ValidYN="Y"><LastName>Astúa-Monge</LastName><ForeName>Gustavo</ForeName><Initials>G</Initials></Author><Author ValidYN="Y"><LastName>Machado</LastName><ForeName>Marcos Antônio</ForeName><Initials>MA</Initials></Author></AuthorList><Language>ENG</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Phytopathology</MedlineTA><NlmUniqueID>9427222</NlmUniqueID><ISSNLinking>0031-949X</ISSNLinking></MedlineJournalInfo></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2008</Year><Month>10</Month><Day>24</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2008</Year><Month>10</Month><Day>24</Day><Hour>9</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2008</Year><Month>10</Month><Day>24</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">18943497</ArticleId><ArticleId IdType="doi">10.1094/PHYTO-96-1092</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list></list><tree><noCountry><name sortKey="Astua Monge, Gustavo" sort="Astua Monge, Gustavo" uniqKey="Astua Monge G" first="Gustavo" last="Astúa-Monge">Gustavo Astúa-Monge</name><name sortKey="Bastianel, Marines" sort="Bastianel, Marines" uniqKey="Bastianel M" first="Marinês" last="Bastianel">Marinês Bastianel</name><name sortKey="Cristofani, Mariangela" sort="Cristofani, Mariangela" uniqKey="Cristofani M" first="Mariângela" last="Cristofani">Mariângela Cristofani</name><name sortKey="De Oliveira, Antonio Carlos" sort="De Oliveira, Antonio Carlos" uniqKey="De Oliveira A" first="Antonio Carlos" last="De Oliveira">Antonio Carlos De Oliveira</name><name sortKey="Filho, Oliveiro Guerreiro" sort="Filho, Oliveiro Guerreiro" uniqKey="Filho O" first="Oliveiro Guerreiro" last="Filho">Oliveiro Guerreiro Filho</name><name sortKey="Freitas Astua, Juliana" sort="Freitas Astua, Juliana" uniqKey="Freitas Astua J" first="Juliana" last="Freitas-Astúa">Juliana Freitas-Astúa</name><name sortKey="Machado, Marcos Antonio" sort="Machado, Marcos Antonio" uniqKey="Machado M" first="Marcos Antônio" last="Machado">Marcos Antônio Machado</name><name sortKey="Rodrigues, Vandeclei" sort="Rodrigues, Vandeclei" uniqKey="Rodrigues V" first="Vandeclei" last="Rodrigues">Vandeclei Rodrigues</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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