Differential susceptibility of poplar hybrids to the aphid Chaitophorus leucomelas (Homoptera: Aphididae).
Identifieur interne : 004285 ( Main/Exploration ); précédent : 004284; suivant : 004286Differential susceptibility of poplar hybrids to the aphid Chaitophorus leucomelas (Homoptera: Aphididae).
Auteurs : Claudio C. Ramírez [Chili] ; Francisco Zamudio ; Jaime V. Verdugo ; M Nica E. Nu EzSource :
- Journal of economic entomology [ 0022-0493 ] ; 2004.
Descripteurs français
- KwdFr :
- MESH :
- génétique : Maladies des plantes, Populus.
- physiologie : Aphides.
- Animaux, Densité de population, Hybridation génétique, Saisons.
English descriptors
- KwdEn :
- MESH :
- genetics : Plant Diseases, Populus.
- physiology : Aphids.
- Animals, Hybridization, Genetic, Population Density, Seasons.
Abstract
After its recent introduction to Chile, the aphid Chaitophorus leucomelas Koch is becoming a serious pest affecting commercial poplar, Populus spp., plantations. The pattern of natural infestation of C. leucomelas among poplar hybrids with different pedigrees and the aphid intrinsic rate of increase (r(m)), of C. leucomelas were assessed in the field. In most of the hybrids, aphid abundance peaked in March (late summer). Among 12 types of poplar crosses, [(P. trichocarpa Torr. & Gray x P. deltoides Bartram ex Marshall) x (P. trichocarpa x P. deltoides)] and [(P. trichocarpa x P. maximowiczii Henry) x P. maximowiczii] showed the highest and lowest aphid densities, respectively. A trend to find more aphids in branch bases was apparent. The intrinsic rate of C. leucomelas increase was higher in [(P. trichocarpa x P. deltoides) x P. deltoides] hybrids, and lower in [(P. trichocarpa x P. maximowiczii) x P. trichocarpa] hybrids. Aphid density and performance were higher in hybrids with P. deltoides parentage, whereas hybrids with P. maximowiczii parentage showed lower aphid densities and performance. Hybrids with P. nigra L. parentage, namely, [P. trichocarpa x P. nigra], also had high aphid density, but aphid performance was lower compared with hybrids with P. deltoides parentage. These results suggest that among poplar hybrids studied, susceptibility to C. leucomelas is inherited through P. deltoides, whereas resistance seems to be inherited through P. maximowiczii. Thus, P. maximowiczii hybrids are recommended for commercial or ornamental planting programs in zones where there is a high risk of aphid infestation.
PubMed: 15666751
Affiliations:
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Ramírez</name><affiliation wicri:level="1"><nlm:affiliation>Centro de Investigación en Biotecnología Silvoagrícola, Instituto de Biologia Vegetal y Biotecnología, Universidad de Talca, Casilla 747, Talca, Chile. clramirez@utalca.cl</nlm:affiliation><country xml:lang="fr">Chili</country><wicri:regionArea>Centro de Investigación en Biotecnología Silvoagrícola, Instituto de Biologia Vegetal y Biotecnología, Universidad de Talca, Casilla 747, Talca</wicri:regionArea><wicri:noRegion>Talca</wicri:noRegion></affiliation></author><author><name sortKey="Zamudio, Francisco" sort="Zamudio, Francisco" uniqKey="Zamudio F" first="Francisco" last="Zamudio">Francisco Zamudio</name></author><author><name sortKey="Verdugo, Jaime V" sort="Verdugo, Jaime V" uniqKey="Verdugo J" first="Jaime V" last="Verdugo">Jaime V. Verdugo</name></author><author><name sortKey="Nu Ez, M Nica E" sort="Nu Ez, M Nica E" uniqKey="Nu Ez M" first="M Nica E" last="Nu Ez">M Nica E. 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The pattern of natural infestation of C. leucomelas among poplar hybrids with different pedigrees and the aphid intrinsic rate of increase (r(m)), of C. leucomelas were assessed in the field. In most of the hybrids, aphid abundance peaked in March (late summer). Among 12 types of poplar crosses, [(P. trichocarpa Torr. & Gray x P. deltoides Bartram ex Marshall) x (P. trichocarpa x P. deltoides)] and [(P. trichocarpa x P. maximowiczii Henry) x P. maximowiczii] showed the highest and lowest aphid densities, respectively. A trend to find more aphids in branch bases was apparent. The intrinsic rate of C. leucomelas increase was higher in [(P. trichocarpa x P. deltoides) x P. deltoides] hybrids, and lower in [(P. trichocarpa x P. maximowiczii) x P. trichocarpa] hybrids. Aphid density and performance were higher in hybrids with P. deltoides parentage, whereas hybrids with P. maximowiczii parentage showed lower aphid densities and performance. Hybrids with P. nigra L. parentage, namely, [P. trichocarpa x P. nigra], also had high aphid density, but aphid performance was lower compared with hybrids with P. deltoides parentage. These results suggest that among poplar hybrids studied, susceptibility to C. leucomelas is inherited through P. deltoides, whereas resistance seems to be inherited through P. maximowiczii. Thus, P. maximowiczii hybrids are recommended for commercial or ornamental planting programs in zones where there is a high risk of aphid infestation.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">15666751</PMID><DateCompleted><Year>2005</Year><Month>02</Month><Day>25</Day></DateCompleted><DateRevised><Year>2006</Year><Month>11</Month><Day>15</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0022-0493</ISSN><JournalIssue CitedMedium="Print"><Volume>97</Volume><Issue>6</Issue><PubDate><Year>2004</Year><Month>Dec</Month></PubDate></JournalIssue><Title>Journal of economic entomology</Title><ISOAbbreviation>J Econ Entomol</ISOAbbreviation></Journal><ArticleTitle>Differential susceptibility of poplar hybrids to the aphid Chaitophorus leucomelas (Homoptera: Aphididae).</ArticleTitle><Pagination><MedlinePgn>1965-71</MedlinePgn></Pagination><Abstract><AbstractText>After its recent introduction to Chile, the aphid Chaitophorus leucomelas Koch is becoming a serious pest affecting commercial poplar, Populus spp., plantations. The pattern of natural infestation of C. leucomelas among poplar hybrids with different pedigrees and the aphid intrinsic rate of increase (r(m)), of C. leucomelas were assessed in the field. In most of the hybrids, aphid abundance peaked in March (late summer). Among 12 types of poplar crosses, [(P. trichocarpa Torr. & Gray x P. deltoides Bartram ex Marshall) x (P. trichocarpa x P. deltoides)] and [(P. trichocarpa x P. maximowiczii Henry) x P. maximowiczii] showed the highest and lowest aphid densities, respectively. A trend to find more aphids in branch bases was apparent. The intrinsic rate of C. leucomelas increase was higher in [(P. trichocarpa x P. deltoides) x P. deltoides] hybrids, and lower in [(P. trichocarpa x P. maximowiczii) x P. trichocarpa] hybrids. Aphid density and performance were higher in hybrids with P. deltoides parentage, whereas hybrids with P. maximowiczii parentage showed lower aphid densities and performance. Hybrids with P. nigra L. parentage, namely, [P. trichocarpa x P. nigra], also had high aphid density, but aphid performance was lower compared with hybrids with P. deltoides parentage. These results suggest that among poplar hybrids studied, susceptibility to C. leucomelas is inherited through P. deltoides, whereas resistance seems to be inherited through P. maximowiczii. Thus, P. maximowiczii hybrids are recommended for commercial or ornamental planting programs in zones where there is a high risk of aphid infestation.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Ramírez</LastName><ForeName>Claudio C</ForeName><Initials>CC</Initials><AffiliationInfo><Affiliation>Centro de Investigación en Biotecnología Silvoagrícola, Instituto de Biologia Vegetal y Biotecnología, Universidad de Talca, Casilla 747, Talca, Chile. clramirez@utalca.cl</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zamudio</LastName><ForeName>Francisco</ForeName><Initials>F</Initials></Author><Author ValidYN="Y"><LastName>Verdugo</LastName><ForeName>Jaime V</ForeName><Initials>JV</Initials></Author><Author ValidYN="Y"><LastName>Nuñez</LastName><ForeName>Mónica E</ForeName><Initials>ME</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D003160">Comparative Study</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>J Econ Entomol</MedlineTA><NlmUniqueID>2985127R</NlmUniqueID><ISSNLinking>0022-0493</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D001042" MajorTopicYN="N">Aphids</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006824" MajorTopicYN="Y">Hybridization, Genetic</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010935" MajorTopicYN="N">Plant Diseases</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011156" MajorTopicYN="N">Population Density</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012621" MajorTopicYN="N">Seasons</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2005</Year><Month>1</Month><Day>26</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2005</Year><Month>2</Month><Day>26</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2005</Year><Month>1</Month><Day>26</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">15666751</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Chili</li></country></list><tree><noCountry><name sortKey="Nu Ez, M Nica E" sort="Nu Ez, M Nica E" uniqKey="Nu Ez M" first="M Nica E" last="Nu Ez">M Nica E. Nu Ez</name><name sortKey="Verdugo, Jaime V" sort="Verdugo, Jaime V" uniqKey="Verdugo J" first="Jaime V" last="Verdugo">Jaime V. Verdugo</name><name sortKey="Zamudio, Francisco" sort="Zamudio, Francisco" uniqKey="Zamudio F" first="Francisco" last="Zamudio">Francisco Zamudio</name></noCountry><country name="Chili"><noRegion><name sortKey="Ramirez, Claudio C" sort="Ramirez, Claudio C" uniqKey="Ramirez C" first="Claudio C" last="Ramírez">Claudio C. Ramírez</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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