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Registros recuperados: 13
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20-Hydroxyecdysone deters oviposition and larval feeding in the European grapevine moth, Lobesia botrana Inra
Calas, D.; Thiery, D.; Marion-Poll, F..
European grapevine moth females (Lobesia botrana, Lepidoptera Tortricidae) select an oviposition site by tasting the host plant surface and then gluing a single egg on berries from grapes or from several other host plant species. In doing so, females should avoid ovipositing on plants that are detrimental to their progeny. Do they sense the same deterrent compounds as larvae, despite the fact that they do not have access to the same compartments of the plants? We tested this hypothesis with 20-hydroxyecdysone (20E), purified from Leuzea carthamoides. Phytoecdysteroids are usually found inside plant tissues and accessible to larvae in an aqueous phase, while adults would access them only through the epicuticular wax. We first confirmed that larvae avoid...
Tipo: Journal Article Palavras-chave: LOBESIA BOTRANA.
Ano: 2006 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20079b9fdcb5&uri=/notices/prodinra1/2010/11/
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A melanic form of the European grape vine moth, Lobesia botrana Den and Schiff (Lepidoptera, Tortricidae), and its genetic basis Inra
Torres-Vila, L.M.; Stockel, J.; Lecharpentier, P..
Nous décrivons une forme mélanique de l’eudémis de la vigne, Lobesia botrana, provenant de l’élevage maintenu à l’Inra de Bordeaux, France. À partir de la descendance des croisements avec la forme typique, F1, F2 et rétrocroisements, nous montrons que la forme mélanique est déterminée génétiquement et que l’hérédité est contrôlée par un gène récessif non lié au sexe (Roe). En outre, nous discutons des possibilités d’utilisation pratique du marqueur génétique dans des essais au champ et en laboratoire.
Tipo: Journal Article Palavras-chave: EUDEMIS; LOBESIA BOTRANA; LEPIDOPTERE; DEPREDATEUR; HEREDITE; GENE RECESSIF.
Ano: 1996 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB9700011346061528&uri=/notices/prodinra1/2010/01/
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Attraction of Dibrachys cavus (Hymenoptera : Pteromalidae) to its host frass volatiles Inra
Chuche, J.; Xuereb, A.; Thiéry, D..
Tipo: Journal Article Palavras-chave: PAPILLON DE NUIT; LARVE; ATTRAIT; HOTE DIBRACHYS CAVUS; PTEROMALIDAE; ARTHROPODA; INSECTA; HYMENOPTERA; LOBESIA BOTRANA; LEPIDOPTERA; TORTRICIDAE; LOBESIA.
Ano: 2006 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2007ad60ed&uri=/notices/prodinra1/2010/11/
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Biological evidence of an oviposition-deterring pheromone in Lobesia botrana Den. et Schiff. (Lepidoptera, Tortricidae) Inra
Gabel, B.; Thiery, D..
Females of the European grapevine moth (Lobesia botrana Den. et Schiff.) usually deposit isolated eggs on flowers and berries of the grapevine (Vitis vinifera L.). We have investigated whether an epideictic pheromone could be present on the egg surface to explain this spacing behavior. About 21,000 eggs ofL. botrana were washed in cold methanol, and the biological activity was tested in a two-choice bioassay offering treated and nontreated areas. Different dilutions of the extract were tested in methanol, which was inactive alone. At the dose of four egg equivalents per microliter of extract, the number of eggs laid by theL. botrana females was reduced by as much as 57% on the treated areas compared to nontreated areas. A longer-term suppression of...
Tipo: Journal Article Palavras-chave: LOBESIA BOTRANA; LEPIDOPTERA; TORTRICIDAE; OVIPOSITION; PHEROMONE DE PONTE; COMPORTEMENT DE PONTE PHEROMONE; OVIPOSITION-DETERRING PHEROMONE; OVIPOSITION; LOBESIA BOTRANA; LEPIDOPTERA; TORTRICIDAE.
Ano: 1992 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB920002500300028660&uri=/notices/prodinra1/2010/11/
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Captures de Lobesia botrana Den. & Schiff. ( Lepidoptera, Tortricidae) au piège sexuel en relation avec la dose en phéromone du diffuseur Inra
Roehrich, R.; Carles, J.P.; Dreuilhe, A.; Vonderheyden, F..
Plusieurs essais de piégeage sexuel de Lobesia botrana ont été effectués avec différentes doses de phéromone E7, Z9 DDA. Le classement d’efficacité a été variable et semble dépendre de plusieurs facteurs. Les fortes doses (10 mg) sont attractives à des distances plus grandes et sont favorisées par la situation des pièges au milieu de grandes surfaces de vigne. Des doses 100 à 1000 fois plus faibles (1 ou 10 μg) que celle utilisée pour l’avertissement améliorent le rendement des captures parmi les papillons attirés et se placent ainsi en tête lorsque les conditions locales sont moins favorables à l’action à grande distance.
Tipo: Journal Article Palavras-chave: EUDEMIS; AVERTISSEMENT AGRICOLE; VIGNOBLE; LOBESIA BOTRANA; LEPIDOPTERE; TORTRICIDAE; PHEROMONE; FACTEUR DU MILIEU.
Ano: 1983 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20087f86ca7c&uri=/notices/prodinra1/2008/09/
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Disruption mechanisms of pheromone communication in the European grape moth Lobesia botrana Den and Schiff. III. Sensory adaptation and habituation Inra
Schmitz, V.; Renou, M.; Roehrich, R.; Stockel, J.; Lecharpentier, P..
Disruption experiments were carried out under vineyard conditions and in the laboratory. Males from laboratory cultures were conditioned in an atmosphere permeated with pheromone (E7 Z9-12Ac), marked externally with fluorescent powder, and released in the middle of vine plots. They were then trapped in a series of traps baited with virgin females or dispensers loaded with various amounts of pheromone. Over 10,000 males were released in these experiments between 19 May and 22 July. Electroantennography tests were used for studying olfactory sensitivity in pheromone-permeated air by measuring the EAG responses of male antennae in constant pheromone air-flows. The conclusion is that both sensory adaptation and central nervous system habituation mechanisms...
Tipo: Journal Article Palavras-chave: PHEROMONE SEXUELLE; LOBESIA BOTRANA; TECHNIQUE DE MARQUAGE; ADAPTATION SENSORIELLE; SYSTEME NERVEUX CENTRAL; LEPIDOPTERE; DEPREDATEUR; CONFUSION SEXUELLE LOBESIA BOTRANA; EUROPEAN GRAPE MOTH; SEX PHEROMONE; MATING DISRUPTION; INSECT MARKING TECHNIQUE.
Ano: 1997 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB9700008353065695&uri=/notices/prodinra1/2010/11/
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Floral volatiles of Tanacetum vulgare L. attractive to Lobesia botrana Den. et Schiff. females Inra
Gabel, B.; Thiery, D.; Suchy, V.; Marion-Poll, F.; Hradsky, P.; Farkas, P..
The European grapevine moth (EGVM), Lobesia botrana, is a major pest of grapes in Europe. Females are attracted to a nonhost plant: tansy (Tanacetum vulgare L.), which is a common weed in Slovakian vineyards. A steam distillate extract of tansy flowers was analyzed by means of a GC-EAG technique to screen constituents detected by the olfactory receptors of EGVM females. From more than 200 GC peaks, nine peaks corresponding to monoterpenoids released an EAG response in more than 70% of the females (N=15):p-cymene,d-limonene,α-thujene,α-thujone,β-thujone, thujyl alcohol, terpinene-4-ol, (Z)-verbenol, and piperitone. The steam distillate of tansy as well as a synthetic blend of identified compounds released consistent attraction in a field cage. The use of...
Tipo: Journal Article Palavras-chave: LOBESIA BOTRANA; TANACETUM VULGARE; TANAISIE; LEPIDOPTERA; TORTRICIDAE; ATTRACTION; DEPREDATEUR; CHROMATOGRAPHIE EN PHASE GAZEUSE; SPECTROMETRIE DE MASSE; ELECTROANTENNOGRAPHIE; MEDIATEUR CHIMIQUE; TERPENOIDE LOBESIA BOTRANA; VITIS VINIFERA; TANACETUM VULGARE; TANSY; GRAPEVINE; LEPIDOPTERA; TORTRICIDAE; COMPOSITAE; PLANT-INSECT RELATIONSHIPS; OLFACTION; ALLELOCHEMICALS; TERPENOIDS; COUPLING GC-EAG.
Ano: 1992 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB920002500600028663&uri=/notices/prodinra1/2010/11/
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La confusion sexuelle chez l'eudemis Lobesia botrana (Lepidoptera Tortricidae). Bilan de 5 annees d'experimentation dans un vignoble bordelais Inra
Stockel, J.; Schmitz, V.; Lecharpentier, P.; Roehrich, R.; Torres Vila, M.; Neumann, U..
L’étude, en collaboration entre l’INRA et la société BASF, a débuté en 1989 sur un vignoble de 8 ha, et s’est poursuivie de 1990 à 1993 sur une superficie totale de 12 ha en Sauternais. L’efficacité de la méthode de confusion est évaluée par l’utilisation d’un réseau de parcelles traitées ou non traitées chimiquement. Tout le vignoble est placé sous confusion sexuelle dès la première génération, à l’exception d’une zone de 2 ha dans laquelle des diffuseurs ne sont installés qu’au début de la seconde. L’observation de la population naturelle de l’insecte sur cette zone en première génération permet d’apprécier la valeur de zones de référence non traitées, situées à 0,5 et 1,5 km de là, utilisées pour juger de l’efficacité du procédé. La méthode de confusion...
Tipo: Journal Article Palavras-chave: EUDEMIS; LOBESIA BOTRANA; DEPREDATEUR; VIGNOBLE; CONFUSION SEXUELLE; VER DE LA GRAPPE; PIEGEAGE; LEPIDOPTERE; BILAN.
Ano: 1994 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB9400010371036742&uri=/notices/prodinra1/2009/11/
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Modulation of flight activity in Lobesia botrana Den. and Schiff. (Lepidoptera : Tortricidae) females studied in a wind tunnel Inra
Hurtrel, B.; Thiéry, D..
We studied modulations of flight activity in European grapevine moth females (EGVM) by individual observations in a wind tunnel. The effect of different factors was analyzed: variation in atmospheric pressure prior to the experiments, time of day, first experience of flight, age, mating, and odor of tansy, which attracts females. The circadian flight activity showed a peak the hour preceding the onset of scotophase and sustained activity occurred during the 6 h around this peak. Females with a flight experience in the tunnel took off more quickly than naive ones (3.9 ± 7.4 vs 20.3 ± 22.8 s). Three-day-old unmated females subjected to negative variations of atmospheric pressure (10 hPa) during the 4 h prior to the experiments increased their duration of...
Tipo: Journal Article Palavras-chave: TUNNEL DE VOL; LOBESIA BOTRANA; LEPIDOPTERE; TORTRICIDAE; COMPORTEMENT DE VOL; ATTRACTION; PRESSION ATMOSPHERIQUE; VIGNOBLE; PHEROMONE SEXUELLE; ACCOUPLEMENT LEPIDOPTERA; TORTRICIDAE; LOBESIA BOTRANA; FLIGHT ACTIVITY; WIND TUNNEL; ATMOSPHERIC PRESSURE; FLIGHT EXPERIENCE; MATING; AGE; OLFACTION.
Ano: 1999 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB9900011937079444&uri=/notices/prodinra1/2010/11/
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Oviposition response of Lobesia botrana females to long-chain free fatty acids and esters from its eggs Inra
Gabel, B.; Thiéry, D..
Avoidance of occupied ovisposition sites supposes that females perceive information related to their own progency. Fatty acids identified from egg extracts have been reevaluated using a different extraction method, and we have investigated the dose-dependent oviposition response of European grape vine moths (Lobesia botrana) to myristic acid, palmitic acid, palmitoleic acid, stearic acid, oleic acid, linoleic acid, methyl palmitate, methyl oleate, and ethyl palmitate; all except ethyl palmitate have been identified from eggs of L. botrana. A methylene dichloride extract of eggs from L. botrana revealed the presence of saturated free fatty acids (myristic, palmitic, and stearic) and unsaturated acids (palmitoleic, oleic, linoleic, and linolenic) in amounts...
Tipo: Journal Article Palavras-chave: LOBESIA; LEPIDOPTERE; MARQUEUR CHIMIQUE; OVIPOSITION; OEUF BEHAVIOR; LOBESIA BOTRANA; OVIPOSITION; INSECT; TORTRICID; LEPIDOPTERA; FATTY ACIDS.
Ano: 1996 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB9600002472059163&uri=/notices/prodinra1/2010/11/
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Relations entre le nombre de males de l'eudemis de la vigne, Lobesia botrana Den. Schiff. (Lepid., Tortricidae), captures par deux doses de pheromone et le niveau des populations larvaires dans les parcelles de piegeage Inra
Roehrich, R.; Carles, J.P.; Durand, H.; Tymen, J.L..
Dans plusieurs parcelles d’un vignoble, des pièges sexuels sont appâtés alternativement au moyen de 2 doses différentes de phéromone. En comparant le nombre de papillons capturés au pourcentage d’infestation par les chenilles de la génération suivante, on obtient pour la 2e génération, une assez bonne corrélation pour les doses les plus faibles : ceci implique que les papillons capturés proviennent, dans ce cas, en plus grande proportion de l’environnement proche. Des doses faibles seraient donc à préférer pour une approche quantitative et, en particulier, pour améliorer la prévision négative actuellement utilisée pour déterminer les parcelles où une intervention est inutile.
Tipo: Journal Article Palavras-chave: VIGNOBLE; DEPREDATEUR; LUTTE; PIEGE SEXUEL; EUDEMIS; LOBESIA BOTRANA; LEPIDOPTERE; TORDEUSE DE LA GRAPPE; VER DE LA GRAPPE.
Ano: 1986 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB9400010068035293&uri=/notices/prodinra1/2009/03/
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Relative performance of European grapevine moth (Lobesia botrana) on grapes and other hosts Inra
Thiéry, D.; Moreau, J..
The European grapevine moth, Lobesia botrana is a major grapevine pest, but despite the abundance of vineyards it is a generalist and uses either grapes or alternative species. Given the abundance and predictability of grape, L. botrana could be expected to have evolved towards monophagy. In order to understand why this species remains polyphagous, we hypothesized that larvae reared on rare wild host plants should have higher fitness than those reared on the more abundant grape host. For this, we compared larval performance and several life history traits on three alternative host plants (Daphne gnidium, Olea europaea, Tanacetum vulgare) and three Vitaceae (Vitis vinifera), two cultivars and one wild species (Ampelopsis brevipedunculata), and two control...
Tipo: Journal Article Palavras-chave: TORTRICIDAE; LEPIDOPTERA; LOBESIA BOTRANA.
Ano: 2005 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2006efb2429f&uri=/notices/prodinra1/2007/08/
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Sélection du site de ponte chez Lobesia botrana (Lepidoptera, Tortricidae): influence de l'information chimique non-volatile présente sur les fruits de plantes hôtes Inra
Maher, N..
Tipo: Thesis Palavras-chave: LEPIDOPTERA; TORTRICIDAE; LOBESIA BOTRANA; DAPHNE GNIDIUM; PLANTE HOTE; SELECTION DE PLANTE HOTE; STIMULANT DE PONTE; ORGANE SENSORIEL; BIO-ESSAI; INSECTE NUISIBLE; MALADIE DES PLANTES; PURIFICATION.
Ano: 2002 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB0300011666097762&uri=/notices/prodinra1/2010/06/
Registros recuperados: 13
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