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http://hdl.handle.net/10261/37672
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Cid, Miguel | - |
dc.contributor.author | Fereres, Alberto | - |
dc.date.accessioned | 2011-07-12T08:17:46Z | - |
dc.date.available | 2011-07-12T08:17:46Z | - |
dc.date.issued | 2010 | - |
dc.identifier.citation | Annals of the Entomological Society of America 103(3): 404-417 (2010) | es_ES |
dc.identifier.issn | 0013-8746 | - |
dc.identifier.uri | http://hdl.handle.net/10261/37672 | - |
dc.description | 18 páginas, figuras y tablas estadísticas | es_ES |
dc.description.abstract | The citrus mealybug, Planococcus citri (Risso) (Hemiptera: Pseudococcidae), is a vector of Grapevine leafroll-associated virus 3 (GLRaV-3), which causes severe damage to grapevines (Vitis spp.) worldwide. We studied the feeding behavior of P. citri on grapevine leaves and whole plants infected with GLRaV-3 and on artiÞcial feeding membranes using DC-electrical penetration graphs (EPGs). P. citri ingested from phloem sieve elements, but it also spent long intervals in the xylem. Waveforms, not described before for mealybugs, were characterized, some of them resembling those of aphids: 1) one new pattern occurring within the phloem phase, named E23, correlated with honeydew excretion and positive ninhydrine reaction and therefore was associated with sap ingestion from the phloem sieve elements; and 2) an extracellular waveform, named G, also possibly associated with ingestion in artiÞcial membranes, which probably represented xylem ingestion. The potential drops (pd) of P. citri showed two distinct phases (pd1 and pd2).Theoccurrence of pds was, on average, less frequent than in aphids (0.14/min), but they lasted much longer (32.5 s). The temporal analysis of 20 EPG recordings on detached leaves lasting 20 h showed great variability among individuals. Only 11/20 mealybugs reached the phloem phase, and ingestion from the phloem sieve elements (E23) was the predominant phloem-related activity. However, the G pattern was even more frequent, and most insects (16/20) showed xylem ingestion activities with an average duration of 8.7 h. This work represents the Þrst step to identify speciÞc stylet activities associated with the acquisition and inoculation of GLRaV-3 by P. citri. | es_ES |
dc.description.sponsorship | Fundacion Caixa Galicia. This project was supported by the Spanish Ministry of Education and Science (AGL2005-01449/AGR). | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Entomological Society of America | es_ES |
dc.rights | openAccess | es_ES |
dc.subject | Planococcus citri | es_ES |
dc.subject | Citrus mealybug | es_ES |
dc.subject | Feeding behavior | es_ES |
dc.subject | DC-electrical penetration graph | es_ES |
dc.title | Characterization of the Probing and Feeding Behavior of Planococcus citri (Hemiptera: Pseudococcidae) on Grapevine | es_ES |
dc.type | artículo | es_ES |
dc.identifier.doi | 10.1603/AN09079 | - |
dc.description.peerreviewed | Peer reviewed | es_ES |
dc.relation.publisherversion | http://dx.doi.org/10.1603/AN09079 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.languageiso639-1 | en | - |
item.fulltext | With Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.openairetype | artículo | - |
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