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dc.contributor.author
Telesnicki, Marta Cecilia
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dc.contributor.author
Sosa, Alejandro Joaquín
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dc.contributor.author
Greizerstein, Eduardo Jose
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dc.contributor.author
Julien, M. H.
dc.date.available
2020-02-14T20:39:39Z
dc.date.issued
2011-05
dc.identifier.citation
Telesnicki, Marta Cecilia; Sosa, Alejandro Joaquín; Greizerstein, Eduardo Jose; Julien, M. H.; Cytogenetic effect of Alternanthera philoxeroides (alligator weed) on Agasicles hygrophila (Coleoptera: Chrysomelidae) in its native range; Academic Press Inc Elsevier Science; Biological Control; 57; 2; 5-2011; 138-142
dc.identifier.issn
1049-9644
dc.identifier.uri
http://hdl.handle.net/11336/97661
dc.description.abstract
Plant genotypic effects can alter insects' ability of utilizing their host plant. Alligator weed, Alternanthera philoxeroides, is a South American amphibious Amaranthaceae, which invades aquatic and terrestrial habitats. Populations with varying morphotypes and cytotypes were identified and further associated with a polyploid hybrids complex in Argentina, which probably is the centre of origin and diversification of alligator weed. The current model of the hybrid complex formation proposes that diploid ancestors gave rise to allotetraploids and allohexaploids.Agasicles hygrophila is a monophagous chrysomelid beetle which successfully controls A. philoxeroides in regions with mild winters and where the weed grows in aquatic habitats. However, plant genetic characteristics could constrain insect development and reproduction, providing an alternative explanation for the restricted success of biological control of alligator weed with A. hygrophila. We investigated the effect of four A. philoxeroides populations with varying cytogenetical characteristics on plant-insect interaction with A. hygrophila in the native range of the weed. The insect's life cycle on each host population was studied. In addition, the genetic relationships among the weed populations was explored using dot blot analysis.Plant population affected insect survival and fecundity, but not life cycle length nor third larval instar mortality, pupal mortality or female proportion. Plant internode diameter was not a restriction for insect pupation. All hexaploid populations of A. philoxeroides, as well as the close related A. aquatica, hybridized with the tetraploid population probe with similar intensity, meaning that this population is a component of their polyploid genome.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Academic Press Inc Elsevier Science
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
BIOLOGICAL INVASION
dc.subject
CYTOTYPE DIVERSITY
dc.subject
HOST RANGE
dc.subject
HYBRIDIZATION
dc.subject
INSECT FITNESS
dc.subject.classification
Conservación de la Biodiversidad
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Cytogenetic effect of Alternanthera philoxeroides (alligator weed) on Agasicles hygrophila (Coleoptera: Chrysomelidae) in its native range
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-02-07T13:48:24Z
dc.journal.volume
57
dc.journal.number
2
dc.journal.pagination
138-142
dc.journal.pais
Estados Unidos
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dc.description.fil
Fil: Telesnicki, Marta Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura; Argentina
dc.description.fil
Fil: Sosa, Alejandro Joaquín. Fundación para el Estudio de Especies Invasivas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Greizerstein, Eduardo Jose. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Ecología, Genética y Evolución. Laboratorio de Citogenética y Evolución; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Julien, M. H.. CSIRO Entomology; Australia
dc.journal.title
Biological Control
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.biocontrol.2011.02.003
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S1049964411000247
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