Literatura científica selecionada sobre o tema "Vitis – Maladies – Lutte contre"
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Artigos de revistas sobre o assunto "Vitis – Maladies – Lutte contre"
Ridremont, Bertrand. "Les vaccins aujourd’hui chez l’animal : 2. adaptation aux enjeux sanitaires et défis sociétaux". Bulletin de l'Académie Vétérinaire de France 176, n.º 1 (2023): 312–25. http://dx.doi.org/10.3406/bavf.2023.18299.
Texto completo da fonteMaillard, Jean-Charles. "La résistance génétique aux maladies animales". Revue d’élevage et de médecine vétérinaire des pays tropicaux 51, n.º 2 (1 de fevereiro de 1998): 106–8. http://dx.doi.org/10.19182/remvt.9633.
Texto completo da fonteSimard, Frédéric. "La lutte contre les vecteurs : quel avenir ?" Biologie Aujourd'hui 212, n.º 3-4 (2018): 137–45. http://dx.doi.org/10.1051/jbio/2019006.
Texto completo da fonteAymé, Ségolène. "Histoire des politiques de lutte contre les maladies rares". Les Tribunes de la santé N°62, n.º 4 (2019): 23. http://dx.doi.org/10.3917/seve1.062.0023.
Texto completo da fonteBERE KOMONO, David, François KONAN KOUAME e Séverin LOUKOU YAO. "Evolution et progrès dans la lutte contre l’onchocercose humaine". African Journal of Tropical Entomology Research 4, n.º 1 (28 de janeiro de 2025): 13–22. https://doi.org/10.58697/ajter040102.
Texto completo da fonteTournier, Jean-Nicolas. "L’éradication des maladies infectieuses virales mise en danger par les avancées de la biologie synthétique". médecine/sciences 35, n.º 2 (fevereiro de 2019): 181–86. http://dx.doi.org/10.1051/medsci/2019005.
Texto completo da fonteLinks, MG. "Les données massives font évoluer la lutte contre les maladies infectieuses". Relevé des maladies transmissibles au Canada 41, n.º 9 (3 de setembro de 2015): 248–50. http://dx.doi.org/10.14745/ccdr.v41i09a03f.
Texto completo da fonteSchwartz, Maxime, e François Rodhain. "Les nouvelles maladies infectieuses : Comment y faire face ?" Questions de santé publique, n.º 3 (novembro de 2008): 1–4. http://dx.doi.org/10.1051/qsp/2008003.
Texto completo da fonteDevinck, Jean-Claude. "La lutte contre les poisons industriels et l’élaboration de la loi sur les maladies professionnelles". Sciences sociales et santé 28, n.º 2 (2010): 65–93. http://dx.doi.org/10.3406/sosan.2010.1963.
Texto completo da fonteTelford, Erica, Fabrice Porcheray, Sandrine Halfen, Armelle Pasquet, Nicolas Pulik, Marion Fanjat, Hervé Raoul e Yazdan Yazdanpanah. "Les stratégies dans la lutte contre les maladies infectieuses : le rôle de l’ANRS | Maladies infectieuses émergentes". Annales des Mines - Réalités industrielles Novembre 2023, n.º 4 (9 de novembro de 2023): 82–86. http://dx.doi.org/10.3917/rindu1.234.0082.
Texto completo da fonteTeses / dissertações sobre o assunto "Vitis – Maladies – Lutte contre"
Jousse, Cyril. "Contribution à la lutte contre les maladies du bois de la vigne, en particulier l'esca". Phd thesis, Université de Poitiers, 2006. http://tel.archives-ouvertes.fr/tel-00185265.
Texto completo da fonteNous avons étudié les propriétés de PA, PC et EL, en particulier l'impact sur leur croissance de fongicides commerciaux et de fongicides systémiques synthétisés au laboratoire, ainsi que de molécules naturelles. Ces pathogènes ne présentent pas la même sensibilité à ces molécules et l'un d'eux (PA) est peu affecté par divers traitements. En parallèle, nous avons étudié les propriétés d'ambimobilité de l'acide salicylique (AS) et de quelques-uns de ses dérivés halogénés.
Nous avons montré que F 30, un dérivé acide du fenpiclonil, est mobile dans les boutures de vigne après application foliaire. Il est en partie retenu dans le bois et libère la molécule parent dans les racines. L'acide 5-chlorosalicylique (5-ClAS), connu pour être plus actif que AS pour stimuler les défenses naturelles, présente une mobilité voisine de celle de AS. Sur ces bases, F 30 et 5-ClAS ont été retenus pour des tests préliminaires de traitement par voie foliaire de boutures de vigne infectées.
Cette recherche exploratoire souligne la complexité de la problématique, une lutte chimique (fongicide), génératrice de contraintes, devant s'intégrer dans une stratégie globale de contrôle.
Decante, Damien. "Répartition spatio-temporelle et migration de la cicadelle verte (Empoasca vitis Goethe) dans un agro-écosystème viticole". Bordeaux 2, 2007. http://www.theses.fr/2007BOR21405.
Texto completo da fonteThe eco-ethology of Empoasca vitis was studied in vineyards at different temporal (week, generation, year) and spatial (plot, production site, small region) scales. This leafhopper hibernates near the plot on evergreen plants and, in spring, migrates towards different early-budding plants before ilmmigrating into the plots (complementation). Summer population levels (sometimes harmful) depend strongly on summer migrations taking place over longer distances. The intra-plot distribution of both adults and nymphs was mapped and compared to agronomical parameters. This revealed strong aggregations in areas of high plant vigour. The presence of potential alternative host plants of E. Vitis along the plot border (supplementation) did not seem to increase population levels. No impact of natural enemies from plot borders was detected. High and dense plot borders were shown to induce accumulation of migrating adults
Legrand, Valérie. "L'eutypiose de la vigne : Caractérisation, structure et expression du gène Vr-ERE. Effets de sa surexpression chez divers Vitis". Toulouse, INPT, 2002. http://www.theses.fr/2002INPT003A.
Texto completo da fonteInfection of grapevine by the fungus Eutypa lata, results in severe withering of the plant, a disease named Eutypa dieback, for which there is to date, no remedy. The parasite is localised in the woody parts of the plant and exerts it' s pathogenic effect through a toxin termed, eutypine. The Vr-ERE gene, encoding a reductase has been cloned from Vigna radiata, and has been proved, to be involved in detoxication mechanisms of eutypine. Vr-ERE gene has been characterized, sequenced and used to clone Vr-ERE2, a homologous gene from Vigna radiata. A functional protein Vr-ERE2 has been produced in E. Coli and was able too to reduce eutypine. Peptide sequence analysis translated from nucleotide sequences revealed strong homologies to CPRD 14 isolated from a drought resistant Vigna unguiculata variety and to CAD1 from Eucalyptus gunni. As a first step towards understanding the role of eutypine in dieback disease, over-expression of Vr-ERE has been attempted by Agrobacterium tumefaciens-mediated transformation of 110 Richter and Portan varieties. Over-expressing eutypine in variety 110 Richter confers protection towards Eutypa lata. The possibility of using eutypine as a selectable marker in genetic transformation studies has been tested in association with the Vr-ERE plant gene. A chimeric construction harbouring a chitinase gene, as well as the Vr-ERE gene has been introduced in an Agrobacterium tumefaciens binary vector and subsequently used to transform Gamay variety. Gamay cellular lines, selected on eutypine, have been shown to over-express both transgenes. The level of tolerance to eutypine in vitro is significantly higher than in non transformed cell lines
Haidar, Rana. "Caractérisation, criblage et mise en oeuvre de souches bactériennes issues du vignoble bordelais pour la lutte biologique contre les champignons impliqués dans la Pourriture grise et l'Esca de la vigne". Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0155/document.
Texto completo da fonteBiological control of gray mold and grapevine trunk diseases (GTDs), which are major fungal diseases of grapevine, has a considerable potential development in the current context of reduction of chemical input in viticulture.The aim of this study was to select and study bacterial strains for antagonism against Botrytis cinerea, the causal agent of gray mold, and two key pathogens involved in GTDs: Phaeomoniella chlamydospora and Neofusicoccum parvum. The main screening experiments for antagonistic activity of 46 bacterial strains, isolated from Bordeaux vineyards, have been carried out under different in vivo and in planta conditions. The efficacy of protection by the antagonistic strains significantly depended on the bacterial strain, the targeted pathogen species, the host plant tissue or organ and, for N. parvum, also on the application mode of the bacterial strain and, for B. cinerea, on the transposon genotype: transposa or vacuma.A significant reduction in length of necrosis due to P. chlamydospora and/or N. parvum, ranging between 40 and 64% in non-grafted vine cuttings, resulted from three bacterial strains: Pantoea agglomerans (S1), Paenibacillus sp. (S19) and Bacillus pumilus (S32). These strains were thoroughly further investigated to determine their major modes of action by i) Antibiosis ii) production of antifungal volatile organic compounds, which have been identified, and/or iii) induction of different grapevine defense genes. Concerning B. cinerea, Enterobacter cowanii (S22), Enterobacter sp. (S23) Bacillus ginsengihumi (S38), Bacillus sp. (S43, S46) were of prime importance in the biocontrol by producing anti-Botrytis volatile and diffusible compounds or by competing for nutrients (case of E. cowanii S22)
Bellee, Anthony. "Approches multidisciplinaires sur le mode d’action, l’efficacité et l’élaboration de stratégies d’utilisation d’actifs biologiques contre divers bioagresseurs de Vitis vinifera". Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0201.
Texto completo da fonteGrapevine is a perennial crop sensitive to many fungal pathogens that require numerous pesticide treatments. However, its uses lead to environmental, human health and fungicide resistance problems. Developing sustainable pest management strategies while keeping a good wine quality is of major importance. In this sense, the use of bio-pesticides products seems to be a promising approach to combine sustainable and intensive agriculture.Two generalist bio-pesticides of great potential have been preliminary identified, forits actions on major fungal diseases of grapevine. The first one is a natural plant extract, with no direct fungicide action but able to systemically stimulate plant defenses. The second one is a microorganism showing strong antagonist fungicide actions, and important ability to stimulate plant defenses. First, the studies conducted in controlled conditions have demonstrated the effectiveness of both products in the suppression of various isolates of Erysiphe necator, Plasmopara viticola, Botrytis cinerea and Botryosphaeriaceae. In parallel,the good efficiencies of these products have been confirmed during vineyard assays. This was especially well demonstrated for the natural extract. As a whole, these studies confirm thepotential of these two products as promising bio-pesticides, of which the strategy of application have been further defined
Battiston, Enrico. "Développement d’un outil innovant pour optimiser l'activité biologique des substances actives afin de contrôler des maladies fongiques chez Vitis vinifera L. Unmanned A erial Vehicle (UAV) - based remote sensing to monitor grapevine leaf stripe disease within a vineyard aff ected by esca complex Grapevine trunk diseases: a review of fifteen years of trials for their control with chemicals and biocontrol agents". Thesis, Reims, 2018. http://www.theses.fr/2018REIMS046.
Texto completo da fonteThe research investigates the application of biomimetic calcium phosphate as innovative delivery system for grapevine (Vitis vinifera L.) protection purposes. This smart material was successfully studied in the biomedical field, from the functionalization of biomimetic calcium phosphate with anti-cancer molecules for localized releases, to the development of an innovative toothpaste for oral hygiene. Preliminary assays to implement the control of the grapevine fungal diseases, have revealed promising results. In this framework, the biomimetic inorganic hydroxyapatite was investigated as potential delivery system of bioactive substances allowed in organic agriculture for plant protection.Through a multidisciplinary approach, the study was aimed to evaluate the efficiency of hydroxyapatite in enhancing the biological activity of copper(II) compounds, on the control of relevant common diseases, like downy mildew, and complex fungal diseases, such as the grapevine trunk diseases. This aim is related to further ambitious goals: the significant reduction of the fungicides amounts applied in plant protection and the optimization of the distribution and persistence of the bioactive substances in the plant tissues, including the vascular ones, where harmful pathogens can develop. Overall, the experimental activities allowed: (i) to understand the interaction between delivery system, functional substance and grapevine tissues; (ii) to demonstrate the mechanism on which the higher efficacy of the functional substance is based; (iii) to collect new information on the mechanisms involved in the symptoms expression by studying the plant defense reactions induced by the treatments
Compant, Stéphane. "Interaction entre la vigne, Vitis vinifera L. , et une bactérie endophytique, Burkholderia phytofirmans souche PsJN : colonisation, induction de défenses et résistance systémique contre Botrytis cinerea". Reims, 2007. http://theses.univ-reims.fr/exl-doc/GED00000953.pdf.
Texto completo da fonteThe interaction between grapevine, Vitis vinifera L. , and an endophytic PGPR, Burkholderia phytofirmans strain PsJN, has been studied in this work. This has allowed to characterize phenomenons of bacterial colonization, some plant defence responses as well as induced systemic resistance (ISR) confering protection against the phytopathogen Botrytis cinerea Pers. Association between grapevine and strain PsJN has been studied, firstly, under gnotobotic conditions by using in vitro plantlets, PsJN wild-type strain or some genetically derivatives (PsJN::gfp2x and PsJN::gusA11). This has allowed to determine epi- and endophytic colonization of grapevine roots by strain PsJN as well as a migration of the bacterium from the endorhiza to the leaves, mediated by the plant transpiration stream via xylem vessels. Grapevine colonization by strain PsJN has been then monitored under non-sterile conditions by using fruiting cuttings, with a special emphasis on putative inflorescence colonization. Results have demonstrated an epi- and an endophytic colonization of the root system by strain PsJN and then, its spreading from the endorhiza to grape inflorescence stalk and to young berries, even in presence of other microorganisms. Plant defence compounds as well as a ISR induced by strain PsJN has been then determined on fruiting cuttings. This has been characterized before its systemic spreading inside plants and with some more sterile conditions. Some early events such as hydrogen peroxide and nitric oxide accumulations as well as phenolic compound synthesis have been characterized at the root level. In addition, preliminary results have demonstrated that strain PsJN induces locally and systemically some PR-encoding genes, dependent of salicylate and/or jasmonate signaling pathways. This has allowed to suggest that this bacterium induces common mechanisms of Systemic Acquired Resistance (SAR) and of ISR phenomenons. These phenomenons allow then a protection of grapevine flowers against infection caused by B. Cinerea Pers
Rezgui, Awatef. "Étude de la microflore colonisant les tissus ligneux de Vitis vinifera : Intérêt pour le développement d’agents de biocontrôle contre une maladie du bois de la vigne, l’esca". Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0449/document.
Texto completo da fonteGrapevine trunk diseases (GTDs) such as esca are of major concern for viticulture worldwide. In Tunisia, knowledge about the symptoms of this disease and the microflora associated with, is still incomplete despite their ability to cause considerable damage to vineyards. In France, around 13% of whole vineyard is unproductive because of GTDs, and no effective treatment currently exists. In that context, the objectives of the present PhD study were: (i) to characterize the fungal microflora inhabiting the wood tissues of Tunisian esca-foliar symptomatic vines in order to identify the pathogens responsible for wood decay. (ii) To investigate the bacterial microflora colonizing the wood tissues of Tunisian grapevines cv. Muscat d’Italie in order to find a suitable Biological Control Agent (BCA) that can be applied to vineyards. First, in order to better characterize the microflora colonizing the wood tissues of vine, samples were collected from 10 vineyards in the north of Tunisia. Fungal isolates were obtained from trunk of grapevines showing decline, small and distorted leaves and chloroses. To identify the isolated fungal species, sequencing of the Internal Transcribed Spacer region of the rDNA was performed (ITS1 and ITS4 primers). Three pathogens, i.e. Lasidiodiplodia pseudotheobromae, Neofusicoccum parvum and Schizophyllum commune, described in the literature as involved in GTDs were isolated for the first time in Tunisia. Their pathogenicity was confirmed in planta. Moreover, the coinoculation of these 3 fungi in planta, showed that they displayed a competitive inhibition effect on each other. In another study, two others pathogens involved in GTDs, i.e. Phomopsis viticola and Diploidia seriata were also isolated from the same region. This PhD also aimed at identifying the bacterial microflora inhabiting the wood tissues of escafoliar symptomatic vines, i.e. necrotic and non-necrotic wood, using microbiological and molecular approaches. Complex bacterial communities, as shown by Single-Strand Conformation Polymorphism (SSCP) analyses, colonize both types of wood tissues. After isolation, the 19 most abundant cultivable strains were sequenced (16S rRNA and rpoB genes) and identified as belonging to four genera: Bacillus, Pantoea, Pseudomonas and Curtobacterium. They were then screened for their in vitro antagonistic traits against the three pathogenic fungi L. pseudotheobromae, N. parvum and S. commune. Based on the results obtained, two bacterial strains were selected: B. subtilis (strain B6) and Pantoea agglomerans (strain S5), respectively isolated from Tunisian and French grapevines. They were then tested in planta on young vines of cv Muscat d’Italie and Cabernet Sauvignon against two fungal pathogens involved in GTDs, i.e. N. parvum (isolated from Tunisian wood) and Phaeomoniella chlamydospora (isolated from French vines). Young vines of both cultivars were inoculated by B. subtilis B6, P. agglomerans S5 or the combination of B6+S5, singly or in combination with N. parvum and P. chlamydospora. In terms of plant protection, the most efficient condition to reduce in planta necrosis caused by the fungal pathogens in the two cultivars was the combination of the two bacteria. However, bacterial treatments were significantly more efficient to reduce necrosis caused by N. parvum or P. chlamydospora in Muscat d’Italie than in Cabernet Sauvignon
Pierron, Romain. "Esca et vigne : compréhension des mécanismes de défense précoces du bois de la vigne Vitis vinifera L. suite à la maladie, colonisation des champignons in planta et proposition de moyens de lutte pour une viticulture durable". Phd thesis, Toulouse, INPT, 2015. http://oatao.univ-toulouse.fr/14651/1/Pierron.pdf.
Texto completo da fonteRestrepo-Leal, Julian David. "Optimisation de la production d’effecteurs de Botryosphaeriacées pour maîtriser leur phytopathogénicité et exploiter leurs enzymes pour le bioraffinage du végétal". Electronic Thesis or Diss., Reims, 2024. http://www.theses.fr/2024REIMS027.
Texto completo da fonteViticulture is constantly threatened by plant diseases, especially those caused by fungi. In the last decades, Grapevine Trunk Diseases (GTDs) have arisen as highly destructive and rapidly expanding pathologies. One of the most worldwide prevalent GTDs is Botryosphaeria dieback, caused by Botryosphaeriaceae. These fungal species may rely on many biochemical weapons, including Plant Cell Wall-Degrading Enzymes (PCWDEs) and phytotoxic secondary metabolites, to successfully colonize the grapevine. Here, we aimed to produce, purify, and characterize PCWDEs and phytotoxins from Botryosphaeriaceae to increase knowledge of their mechanisms underlying pathogenicity and virulence. We were also interested in taking advantage of Botryosphaeriaceae pathogens to obtain novel lignocellulolytic enzymes that may benefit plant biorefining. Using genomic comparisons, we highlighted the remarkable richness of Carbohydrate-Active Enzymes (CAZymes), potentially involved in the plant cell wall degradation, in the genome of Neofusicoccum parvum. When cultured in submerged fermentations, N. parvum could produce numerous CAZymes and secondary metabolites, notably in growth media containing lignocellulosic biomasses. Furthermore, we established a purification method for the virulence-factor-candidate phytotoxin (R)-mellein using an innovative approach via Centrifugal Partition Chromatography. We also started an approach to heterologously produce three novel CAZymes: an acetylxylan esterase, a pectate lyase, and an uncharacterized cellulase. Overall, our results provided insights into the influence of lignocellulosic biomass in the expression of pathogenicity and virulence factors in N. parvum. This study may also be helpful for the discovery of more efficient enzymes for industrial applications
Livros sobre o assunto "Vitis – Maladies – Lutte contre"
Petit, Marie-Magdeleine. Histoire de la lutte contre les maladies infectieuses depuis Pasteur. Paris: Ellipses, 2012.
Encontre o texto completo da fonteLavallée, Robert. Lutte contre le charançon du pin blanc: Intervention et lutte biologique. Sainte-Foy, Qué: Centre de foresterie des Laurentides, 1997.
Encontre o texto completo da fonteBeauvais, Michel. Les pires cauchemars du jardinier: [l'invasion a déjà commencé]. Paris: "Rustica" éd., 2013.
Encontre o texto completo da fonteBrochard, Daniel. SOS plantes. Paris: Sélection du "Reader's digest, 2002.
Encontre o texto completo da fonteReid, Lana M. Maladies courantes du maïs au Canada. Ottawa, Ont: Agriculture et agroalimentaire Canada, 2001.
Encontre o texto completo da fonteMbodj, Yamar. La lutte intégrée contre les maladies du riz en Casamance au Sénégal. Dakar, Senegal: Institut sénégalais de recherches agricoles, 1989.
Encontre o texto completo da fonteBerthiaume, Richard. Le puceron des pousses du sapin. Sainte-Foy, Qué: Centre de foresterie des Laurentides, 2001.
Encontre o texto completo da fontesida, Centre québécoisde coordination sur le. Stratégie québécoise de lutte contre le SIDA et de prévention des maladies transmissibles sexuellement. [Québec]: Gouvernement du Québec, Ministère de la santé et des services sociaux, Centre québécois de coordination sur le SIDA, 1992.
Encontre o texto completo da fonteAbgrall, J. F. La forêt et ses ennemis. 3a ed. Grenoble: CEMAGREF-DICOVA, 1991.
Encontre o texto completo da fontePhilippe, Lepoivre, ed. Phytopathologie: Bases moléculaires et biologiques des pathosystèmes et fondements des stratégies du lutte. Gembloux [Belgique]: Presses agronomiques de Gembloux, 2003.
Encontre o texto completo da fonteCapítulos de livros sobre o assunto "Vitis – Maladies – Lutte contre"
"7. La lutte contre les maladies infectieuses". In Le mauvais air, 231–92. EDP Sciences, 2022. http://dx.doi.org/10.1051/978-2-7598-2679-7.c009.
Texto completo da fonteNTALLI, Nikoletta, e Pierluigi CABONI. "Mode d’action des métabolites végétaux dans la lutte contre les nématodes à galles". In Biocontrôle des maladies des plantes, 83–97. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9098.ch4.
Texto completo da fonteCADDEO, Julie. "L’action des pouvoirs locaux face aux crises épidémiques au XVIIIe siècle". In Les épidémies au prisme des SHS, 99–108. Editions des archives contemporaines, 2022. http://dx.doi.org/10.17184/eac.5995.
Texto completo da fonteFleury, Marie-Josée, e Guy Grenier. "La contribution de l’Hôpital Saint-Paul et de l’Alexandra Hospital à la lutte contre les maladies contagieuses infantiles à Montréal, 1905–1934". In Children’s Health Issues in Historical Perspective, 411–38. Wilfrid Laurier Press, 2006. http://dx.doi.org/10.51644/9780889209121-017.
Texto completo da fonteHussey, N. W., e H. J. Gould. "Techniques de Lutte Intégrée Contre les Ravageurs et les Maladies des Legumes Cultives Sous Serre et Examen de Leur Mise en Oeuvre Commerciale". In Integrated Crop Protection, 292–95. CRC Press, 2020. http://dx.doi.org/10.1201/9781003079033-68.
Texto completo da fonteRelatórios de organizações sobre o assunto "Vitis – Maladies – Lutte contre"
Lamarque, Hugh. Considérations clés : Flambée épidémique de maladie à virus Marburg au Rwanda, octobre 2024. Institute of Development Studies, novembro de 2024. http://dx.doi.org/10.19088/sshap.2024.057.
Texto completo da fontePalmer, Jennifer, e Diane Duclos. Considérations Clés : Surveillance à Base Communautaire dans le Domaine de la Santé Publique. Institute of Development Studies, junho de 2023. http://dx.doi.org/10.19088/sshap.2023.014.
Texto completo da fonte