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Registros recuperados: 10
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Aphid abundance on cereals in autumn predicts yield losses caused by barley yellow dwarf virus Inra
Fabre, F.; Dedryver, C.A.; Leterrier, J.L.; Plantegenest, M..
Tipo: Journal Article Palavras-chave: PROBABILITE; PREVISION DES RISQUES VIRUS EPIDEMIOLOGY; BYDV; BARLEY YELLOW DWARF VIRUS; INTEGRATED PEST MANAGEMENT.
Ano: 2003 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD200862166032&uri=/notices/prodinra1/2008/01/
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Are supermarkets an appropriate tool for facilitating the transition to low input farming practices? Inra
Haynes, I.; Lamine, C.; Wierzbicka, A.; Szabo, Z.; Lehota, J.; Vandenberg, I.; Buurma, J.; Maraccini, E.; Moonen, C.; Williamson, S.; Paratte, R..
Tipo: Conference Paper Palavras-chave: PESTICIDES; SUPERMARKETS; LOW-INPUT PRACTICES; INTEGRATED PEST MANAGEMENT; CONSUMERS .
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD201078937d50&uri=/notices/prodinra1/2011/02/
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CFD based determination of temperature and humidity at leaf surface Inra
Roy, J.C.; Vidal, C.; Fargues, J.; Boulard, T..
A numerical model based on the energy balance has been developed for computing with the Fluent CFD code temperature and humidity at leaf surface for low light levels. Crop transpiration and aerial flows were coupled and a single parameter model for the stomatal response of leaves to radiation flux has been considered. Validation of the results at leaf level has required an experimental setup based on Mu¨ nger cells to quantify temperature, relative humidity and the different heat fluxes for single bean leaves. experiments have been performed for three alternate low light/dark periods. It was shown that the agreement between numerical and experimental results increases with the airflow intensity: the results are in good agreement for air relative humidity...
Tipo: Journal Article Palavras-chave: COMPUTER SIMULATION; LEAF SURFACE; EVAPOTRANSPIRATION; STOMATAL RESISTANCE; INTEGRATED PEST MANAGEMENT; EVAPOTRANSPIRATION; BIOINSECTICIDE.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2009f337c631&uri=/notices/prodinra1/2011/04/
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Compatibility between biopesticides used to control grey mould, powdery mildew and whitefly on tomato Inra
Bardin, M.; Fargues, J.; Nicot, P.C..
Botrytis cinerea, Oidium neolycopersici and Bemisia tabaci are among the most important pests encountered on tomato in greenhouses. In order to limit their development, biological methods of control have been elaborated. To protect pruning wounds against B. cinerea at crop level, the fungus Microdochium dimerum has shown a high efficacy. The formulated plant extract from the giant knotweed Reynoutria sachalinensis (Milsana) has shown a high efficacy to control powdery mildew of tomato. The myco-insecticide based on Lecanicillium muscarium (Mycotal) appears to be a promising biological control agent against whiteflies. The use of these products in a context of integrated protection of tomato requires that their efficacy is not altered when applied together....
Tipo: Journal Article Palavras-chave: MYCOINSECTICIDE; INSECTE VECTEUR BIOLOGICAL CONTROL; INTEGRATED PEST MANAGEMENT; BEMISIA TABACI.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2008604354c&uri=/notices/prodinra1/2008/08/
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Eco-design and co-design : application to fruit production in Europe Inra
Bellon, S.; Fauriel, J.; Hemptine, J.L.; Jamar, L.; Lauri, P.E.; Lateur, M.; Libourel, G.; Simon, S..
Tipo: Conference Paper Palavras-chave: FRUIT QUALITY; INTEGRATED PEST MANAGEMENT; BIOLOGICAL CONTROL; ORGANIC FARMING; SUSTAINABLE AGRICULTURE.
Ano: 2009 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20097b688ad7&uri=/notices/prodinra1/2011/02/
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Hierarchical bayesian modelling of plant colonisation by winged aphids: inferring dispersal processes by linking aerial and field count data Inra
Fabre, F.; Dedryver, C.A.; Plantegenest, M.; Hullé, M.; Rivot, E..
Understanding and modelling insect pest dispersal is an important prerequisite for designing integrated pest management programs. Nevertheless, studies investigating the dispersal of small insects in natural conditions remain scarce mainly because of the difficulty of tracking the movements of these organisms. Here we propose to use Hierarchical Bayesian Modelling (HBM) framework to gain knowledge on hidden processes that cannot be observed directly in natura, such as insect landing and insect mortality, through the definition of latent variables. An HBM describing crop colonization by winged aphids was fitted to a large dataset of field observations issued from a long term survey at a wide scale of both aerial and field densities of the bird cherry-oat...
Tipo: Journal Article Palavras-chave: HIERARCHICAL BAYESIAN MODELLING(HBM; SPATIO-TEMPORAL DYNAMICS; DISPERSAL; FIELD MORTALITY; INTEGRATED PEST MANAGEMENT; SUCTION TRAP.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010faa2de64&uri=/notices/prodinra1/2011/01/
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Improved leaf pruning reduces development of stem cankers caused by grey mould in greenhouse tomatoes Inra
Decognet, V.; Ravetti, F.; Martin, C.; Nicot, P..
Botrytis cinerea, the causal agent of grey mould, is considered as a major burden on greenhouse tomato production. In heated greenhouses, where leaf pruning is a routine practice and microclimatic conditions are favourable for grey mould development, infections of the pruning wounds result in stem cankers that can rapidly kill the plants. Chemical control is not always sufficiently effective and growers face increasing demands for reducing their dependency on pesticides. Several techniques can be used for the removal of leaves. They differ mainly on the presence or absence and the size of petiole stubs remaining on the stems after pruning. In this study, leaf pruning techniques were compared in an experimental greenhouse and the results validated in four...
Tipo: Journal Article Palavras-chave: TAILLE; DEFOLIATION GREY MOULD; INTEGRATED PEST MANAGEMENT; SUSTAINABLE CROP PROTECTION; LEAF PRUNING.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD200956710720&uri=/notices/prodinra1/2010/04/
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Protection intégrée des cultures maraîchères sous serre: expérience et atouts pour un contexte en évolution Inra
Nicot, P.C..
La serre constitue un environnement particulièrement favorable au développement dedivers ennemis des cultures. C’est aussi dans ce système de production que des approchesphytosanitaires combinant différents types d’interventions sont utilisées depuis de nombreusesannées, notamment pour la lutte contre certains ravageurs. La dénomination deces approches (initialement « lutte intégrée ») a suivi l’évolution conceptuelle de la gestionphytosanitaire des systèmes agricoles, et les termes « protection (biologique et) intégrée »,« production intégrée », « Agriculture raisonnée » sont de plus en plus associés aux culturesmaraîchères sous abri. Cependant, le contexte économique tendu des filières et ladiversité et complexité technique de la production sous serre...
Tipo: Journal Article Palavras-chave: SUSTAINABLE DEVELOPMENT; GREENHOUSE CROPS; INTEGRATED CONTROL; INTEGRATED PEST MANAGEMENT; INTEGRATED PROTECTION.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD200847beb563&uri=/notices/prodinra1/2010/05/
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Recueil et formalisation de procédés experts pour conduire une protection intégrée du vignoble Inra
Léger, B..
La viticulture française est un gros consommateur de produits phytosanitaires. Deux maladies fongiques, l'oïdium et le mildiou de la vigne, représentent à elles seules 70% des dépenses annuelles de pesticides pour cette culture. Ces maladies pouvant causer la destruction complète des récoltes, sont ressenties comme des fléaux. Face à de tels risques, seule la protection chimique est aujourd'hui efficace. Une équipe de phytopathologiste (Santé Végétale à Bordeaux) a entrepris en 2001 de résoudre le problème dicile de la conception et de la mise au point de systèmes décisionnels de gestion des maladies de la vigne. Ces systèmes innovants doivent faire la preuve qu'il est possible de produire du raisin de qualité en diminuant fortement le nombre de...
Tipo: Thesis Palavras-chave: VITICULTURE; PROTECTION DES VÉGÉTAUX; PROTECTION INTÉGRÉE DES CULTURES; SYSTÈME A ÉVÈNEMENT DISCRET; CONCEPTION ASSISTÉE PAR MODÈLE; DIAGRAMME D'ÉTAT; RECUEIL DE CONNAISSANCE; MALADIE DE LA VIGNE; TRAITEMENT FONGIQUE; QUALITÉ DU RAISIN VITICULTURE; INTEGRATED PEST MANAGEMENT; DECISION; DISCRETE EVENT SYSTEMS; MODEL ASSISTED DESIGN; STATECHARTS; KNOWLEDGE ELICITATION; CROP PROTECTION.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2009d09e9a5e&uri=/notices/prodinra1/2009/12/
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Voies d’amélioration des impacts environnementaux des systèmes céréaliers : une première synthèse à partir des travaux de l’INRA Inra
Abecassis, J.; Bertrand, M.; Bonny, S.; Dedryver, C.A.; Georget, M.; Nolot, J.M.; Rolland, B.; Rousset, M..
Le contexte actuel requiert une meilleure harmonie entre l'agriculture et l'environnement, aussi la recherche agronomique est-elle souvent questionnée sur ses investigations en la matière. Cet article présente le résultat d'un travail d'inventaire portant sur des voies d'amélioration des impacts environnementaux en systèmes céréaliers. Une soixantaine de travaux conduits par l’INRA en relation avec ses partenaires du monde agricole ont été répertoriés et classés en trois grands domaines : amélioration de l’efficience des intrants, substitution d’un intrant par un autre, reconception des systèmes de production. L'inventaire fait apparaître trois grands champs de recherche et d’innovations. En premier lieu, l'amélioration variétale, et en ce domaine...
Tipo: Journal Article Palavras-chave: AGROECOLOGIE; APPROCHE SYSTEMIQUE; REJET CEREALS; WHEAT; MAIZE; ENVIRONMENT; ENVIRONMENTAL IMPACT; INPUT; INPUT REDUCTION; FERTILIZATION; PESTICIDE; WATER; PLANT BREEDING; GENETIC RESSOURCES; AGROECOLOGY; AGRONOMY; ECOPHYSIOLOGY; SYSTEMIC APPROACH; FARMER; PRODUCTION SYSTEM; GREENHOUSE GAS; DECISION-MAKING TOOL; INNOVATION; INTEGRATED PEST MANAGEMENT.
Ano: 2011 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD201140d38deb&uri=/notices/prodinra1/2011/04/
Registros recuperados: 10
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