Mapping QTL for yield components, vigor, and resistance to Phytophthora palmivora in Theobroma cacao L.
Identifieur interne : 002441 ( Main/Exploration ); précédent : 002440; suivant : 002442Mapping QTL for yield components, vigor, and resistance to Phytophthora palmivora in Theobroma cacao L.
Auteurs : D. Clement [France] ; A M Risterucci ; J C Motamayor ; J. N'Goran ; C. LanaudSource :
- Genome [ 0831-2796 ] ; 2003.
Descripteurs français
- KwdFr :
- Cacaoyer (croissance et développement), Cacaoyer (génétique), Cacaoyer (microbiologie), Caractère quantitatif héréditaire (MeSH), Cartographie chromosomique (MeSH), Chromosomes de plante (MeSH), Croisements génétiques (MeSH), Facteurs temps (MeSH), Génome végétal (MeSH), Hybridation génétique (MeSH), Hétérozygote (MeSH), Locus de caractère quantitatif (génétique), Lod score (MeSH), Maladies des plantes (microbiologie), Phytophthora (pathogénicité), Variation génétique (MeSH).
- MESH :
- croissance et développement : Cacaoyer.
- génétique : Cacaoyer, Locus de caractère quantitatif.
- microbiologie : Cacaoyer, Maladies des plantes.
- pathogénicité : Phytophthora.
- Caractère quantitatif héréditaire, Cartographie chromosomique, Chromosomes de plante, Croisements génétiques, Facteurs temps, Génome végétal, Hybridation génétique, Hétérozygote, Lod score, Variation génétique.
English descriptors
- KwdEn :
- Cacao (genetics), Cacao (growth & development), Cacao (microbiology), Chromosome Mapping (MeSH), Chromosomes, Plant (MeSH), Crosses, Genetic (MeSH), Genetic Variation (MeSH), Genome, Plant (MeSH), Heterozygote (MeSH), Hybridization, Genetic (MeSH), Lod Score (MeSH), Phytophthora (pathogenicity), Plant Diseases (microbiology), Quantitative Trait Loci (genetics), Quantitative Trait, Heritable (MeSH), Time Factors (MeSH).
- MESH :
- genetics : Cacao, Quantitative Trait Loci.
- growth & development : Cacao.
- microbiology : Cacao, Plant Diseases.
- pathogenicity : Phytophthora.
- Chromosome Mapping, Chromosomes, Plant, Crosses, Genetic, Genetic Variation, Genome, Plant, Heterozygote, Hybridization, Genetic, Lod Score, Quantitative Trait, Heritable, Time Factors.
Abstract
Quantitative trait loci (QTL) mapping for agronomic traits was carried out in cocoa (Theobroma cacao L.). Regions of the genome involved in yield, vigor, and resistance to Phytophthora palmivora were identified. Three heterozygous clones, one upper Amazon Forastero (IMC78) and two Trinitario (DR1 and S52), were crossed with the same male parent, a lower Amazon Forastero (Catongo), known to be highly homozygous. Observations were made on progeny over nine consecutive years. One to three QTL related to yield were detected in each of the three populations, located on chromosomes 1, 2, 4, 5, 9, and 10. They explained between 8.1 and 19.3% of the phenotypic variation and showed various levels of repeatability. In IMC78, the QTL detected on chromosome 5 was the most repeatable over years. The QTL for the average individual pod weight on chromosome 4 was the most significant with an LOD of 17.3 and an R2 of 43.7. QTL related to these traits were identified in the same region of the genome in clones of different genetic groups. This suggests that molecular markers can be used to improve cocoa varieties.
DOI: 10.1139/g02-125
PubMed: 12723036
Affiliations:
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Regions of the genome involved in yield, vigor, and resistance to Phytophthora palmivora were identified. Three heterozygous clones, one upper Amazon Forastero (IMC78) and two Trinitario (DR1 and S52), were crossed with the same male parent, a lower Amazon Forastero (Catongo), known to be highly homozygous. Observations were made on progeny over nine consecutive years. One to three QTL related to yield were detected in each of the three populations, located on chromosomes 1, 2, 4, 5, 9, and 10. They explained between 8.1 and 19.3% of the phenotypic variation and showed various levels of repeatability. In IMC78, the QTL detected on chromosome 5 was the most repeatable over years. The QTL for the average individual pod weight on chromosome 4 was the most significant with an LOD of 17.3 and an R2 of 43.7. QTL related to these traits were identified in the same region of the genome in clones of different genetic groups. This suggests that molecular markers can be used to improve cocoa varieties.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">12723036</PMID><DateCompleted><Year>2004</Year><Month>03</Month><Day>24</Day></DateCompleted><DateRevised><Year>2016</Year><Month>10</Month><Day>20</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0831-2796</ISSN><JournalIssue CitedMedium="Print"><Volume>46</Volume><Issue>2</Issue><PubDate><Year>2003</Year><Month>Apr</Month></PubDate></JournalIssue><Title>Genome</Title><ISOAbbreviation>Genome</ISOAbbreviation></Journal><ArticleTitle>Mapping QTL for yield components, vigor, and resistance to Phytophthora palmivora in Theobroma cacao L.</ArticleTitle><Pagination><MedlinePgn>204-12</MedlinePgn></Pagination><Abstract><AbstractText>Quantitative trait loci (QTL) mapping for agronomic traits was carried out in cocoa (Theobroma cacao L.). Regions of the genome involved in yield, vigor, and resistance to Phytophthora palmivora were identified. Three heterozygous clones, one upper Amazon Forastero (IMC78) and two Trinitario (DR1 and S52), were crossed with the same male parent, a lower Amazon Forastero (Catongo), known to be highly homozygous. Observations were made on progeny over nine consecutive years. One to three QTL related to yield were detected in each of the three populations, located on chromosomes 1, 2, 4, 5, 9, and 10. They explained between 8.1 and 19.3% of the phenotypic variation and showed various levels of repeatability. In IMC78, the QTL detected on chromosome 5 was the most repeatable over years. The QTL for the average individual pod weight on chromosome 4 was the most significant with an LOD of 17.3 and an R2 of 43.7. QTL related to these traits were identified in the same region of the genome in clones of different genetic groups. This suggests that molecular markers can be used to improve cocoa varieties.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Clement</LastName><ForeName>D</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>Centre de coopération internationale en recherche pour le développement (CIRAD), TA 80/02, Avenue d'Agropolis, Montpellier 34398 CEDEX 5, France. didier.clement@cirad.fr</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Risterucci</LastName><ForeName>A M</ForeName><Initials>AM</Initials></Author><Author ValidYN="Y"><LastName>Motamayor</LastName><ForeName>J C</ForeName><Initials>JC</Initials></Author><Author ValidYN="Y"><LastName>N'Goran</LastName><ForeName>J</ForeName><Initials>J</Initials></Author><Author ValidYN="Y"><LastName>Lanaud</LastName><ForeName>C</ForeName><Initials>C</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D003160">Comparative Study</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Canada</Country><MedlineTA>Genome</MedlineTA><NlmUniqueID>8704544</NlmUniqueID><ISSNLinking>0831-2796</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D002099" MajorTopicYN="N">Cacao</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002874" MajorTopicYN="Y">Chromosome Mapping</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032461" MajorTopicYN="N">Chromosomes, Plant</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003433" MajorTopicYN="N">Crosses, Genetic</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014644" MajorTopicYN="N">Genetic Variation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018745" MajorTopicYN="N">Genome, Plant</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006579" MajorTopicYN="N">Heterozygote</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006824" MajorTopicYN="N">Hybridization, Genetic</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008126" MajorTopicYN="N">Lod Score</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010838" MajorTopicYN="N">Phytophthora</DescriptorName><QualifierName UI="Q000472" MajorTopicYN="Y">pathogenicity</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010935" MajorTopicYN="N">Plant Diseases</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D040641" MajorTopicYN="N">Quantitative Trait Loci</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D019655" MajorTopicYN="Y">Quantitative Trait, Heritable</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013997" MajorTopicYN="N">Time Factors</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2003</Year><Month>5</Month><Day>2</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2004</Year><Month>3</Month><Day>25</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2003</Year><Month>5</Month><Day>2</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">12723036</ArticleId><ArticleId IdType="doi">10.1139/g02-125</ArticleId><ArticleId IdType="pii">g02-125</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>France</li></country><region><li>Languedoc-Roussillon</li><li>Occitanie (région administrative)</li></region><settlement><li>CEDEX 5</li></settlement></list><tree><noCountry><name sortKey="Lanaud, C" sort="Lanaud, C" uniqKey="Lanaud C" first="C" last="Lanaud">C. Lanaud</name><name sortKey="Motamayor, J C" sort="Motamayor, J C" uniqKey="Motamayor J" first="J C" last="Motamayor">J C Motamayor</name><name sortKey="N Goran, J" sort="N Goran, J" uniqKey="N Goran J" first="J" last="N'Goran">J. N'Goran</name><name sortKey="Risterucci, A M" sort="Risterucci, A M" uniqKey="Risterucci A" first="A M" last="Risterucci">A M Risterucci</name></noCountry><country name="France"><region name="Occitanie (région administrative)"><name sortKey="Clement, D" sort="Clement, D" uniqKey="Clement D" first="D" last="Clement">D. Clement</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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