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dc.contributor.author | Nombela, Gloria | - |
dc.contributor.author | Beitia, F. | - |
dc.contributor.author | Muñiz, Mariano | - |
dc.date.accessioned | 2009-03-11T12:22:09Z | - |
dc.date.available | 2009-03-11T12:22:09Z | - |
dc.date.issued | 2001 | - |
dc.identifier.citation | Entomologia Experimentalis et Applicata, 98(3): 339-344 | en_US |
dc.identifier.uri | http://hdl.handle.net/10261/11486 | - |
dc.description.abstract | Three tomato varieties (Motelle, Ronita, and VFN8) bearing the Mi-1.2 gene providing resistance to nematodes Meloidogyne spp. and to the potato aphid Macrosiphum euphorbiae Thomas, and three varieties not bearing this gene (Moneymaker, Roma, and Río Fuego), were compared by choice assay for host preference using the Qbiotype of Bemisia tabaci (Gennadius). The most preferred hosts, determined by infestation levels and numbers of feeding adults were Moneymaker, Río Fuego and Roma, all of which were not carrying the Mi gene. Ronita and Motelle, both of which bore the Mi gene, were the least preferred hosts. In a no-choice assay, B. tabaci females laid a significantly lower number of eggs on the varieties that carried the Mi gene than on those lacking the gene. Differences were more dramatic when plants carrying the Mi gene were pooled together and compared with pooled plants without this gene. Significantly greater values were obtained for the Mi-lacking group for all parameters tested. Comparing these results with those from a previous study on the B-biotype of B. tabaci, Q-biotypes were found to produce higher daily infestation rates on most of the tomato varieties. When results from plants carrying Mi were pooled, they showed lower infestation levels of Q-biotypes than B-biotypes. The Q-biotype infested less Mi-plants and more non-Mi plants than B-biotype. Q-biotype females produced significantly less pupae than the B-biotype females on both groups of plants. These results suggest the existence of an antixenosis and antibiosisbased resistance to the Q-biotype of B. tabaci in Mi-bearing commercial tomato varieties, which is greater than that previously reported for the B-biotype. | en_US |
dc.format.extent | 90516 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | en_US |
dc.rights | openAccess | en_US |
dc.subject | Tobacco whitefly | en_US |
dc.subject | Bemisia tabaci | en_US |
dc.subject | tomato resistance | en_US |
dc.subject | Mi gene | en_US |
dc.subject | Reproduction | en_US |
dc.subject | B and Q Biotypes | en_US |
dc.title | A differential interaction study of Bemisia tabaci Q-biotype on commercial tomato varieties bearing or not bearing the Mi resistance gene, and comparative host responses with the B-biotype | en_US |
dc.type | artículo | en_US |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.fulltext | With Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
item.languageiso639-1 | en | - |
Aparece en las colecciones: | (ICA) Artículos |
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Bemisia Comparison BQ EEA.pdf | 88,39 kB | Adobe PDF | Visualizar/Abrir |
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