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Botrytis et résistance

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AGRONOMY 20/11/20 Insight into the Microbiological Control Strategies against Botrytis cinerea Using Systemic Plant Resistance Activation. Botrytis cinerea is a polyphagous necrotrophic fungus and is the causal agent of grey mold diseases in more than 1400 different hosts.

AGRONOMY 20/11/20 Insight into the Microbiological Control Strategies against Botrytis cinerea Using Systemic Plant Resistance Activation

This fungus causes serious economic losses in both preharvest and post-harvest—mainly in grape, strawberry, and tomato crops—and is the second most important pathogen worldwide, to our knowledge. ECOPHYTOPIC 01/03/21 Note technique 2021 sur les résistances aux maladies de la vigne. De manière générale, la prévention et la gestion des résistances reposent sur la diversification de l’usage des modes d’action, qui s’appuie sur différentes stratégies : limitation des traitements, association de modes d’actions différents, alternance des modes d’action, mosaïque territoriale et modulation de la dose (peu utilisée en viticulture pour gérer la résistance).

ECOPHYTOPIC 01/03/21 Note technique 2021 sur les résistances aux maladies de la vigne

Les stratégies anti-résistance visent à maximiser l’hétérogénéité de la sélection par les fongicides et ainsi à réduire l’adaptation des populations. Cette note liste toutes les substances actives rentrant dans la composition des produits autorisés au moment de sa rédaction pour protéger la vigne contre le mildiou, l’oïdium, la pourriture grise et le black rot.

ANNALS OF APPLIED BIOLOGY 27/02/19 Activity of fungicide mixtures against Botrytis cinerea isolates resistant to benzimidazoles, strobilurins and dicarboximides. Botrytis cinerea, the causal agent of grey mould in a broad range of crops, is considered a high‐risk plant pathogen for fungicide resistance development.

ANNALS OF APPLIED BIOLOGY 27/02/19 Activity of fungicide mixtures against Botrytis cinerea isolates resistant to benzimidazoles, strobilurins and dicarboximides

The use of fungicide mixtures, particularly combinations with synergistic activity, can be a useful tactic to counteract resistance build‐up in pathogen populations. The present study aimed to investigate the effects of different ratios of two‐way mixtures of carbendazim, iprodione, kresoxim‐methyl, tebuconazole and penconazole on four B. cinerea isolates that were sensitive or resistant to benzimidazoles, dicarboximides and strobilurins. The isolates that were resistant to benzimidazoles and strobilurins had E198A and G143A mutations in β‐tubulin and cytochrome b genes, respectively. The mixtures had different effects on each of the isolates in vitro but, in 13 combinations, the synergistic effect was observed against all or three isolates.

TECHNILOIRE 28/02/19 Note technique 2019 sur les résistances aux maladies. VIGNEVIN 21/12/18 NOTE TECHNIQUE COMMUNE RESISTANCES 2019 MALADIES DE LA VIGNE : MILDIOU, OÏDIUM, POURRITURE GRISE, BLACK-ROT. VITISPHERE 09/01/19 La note technique « Maladies de la vigne » 2019 est parue. La note technique annuelle « Maladies de la vigne » pour 2019 vient de paraître (pour la consulter, cliquer ici).

VITISPHERE 09/01/19 La note technique « Maladies de la vigne » 2019 est parue

Elle fait le point sur la gestion des résistances pour la campagne à venir. Aux recommandations pour la lutte contre mildiou, l’oïdium et le botrytis s’ajoutent celles pour la lutte contre le black-rot, en tenant compte des résistances sur mildiou et oïdium. « Il ne s’agit pas d’évaluer les résistances pour le black-rot, car il n’y a pas de monitoring de fait, mais de donner des recommandations sur l’usage des substances actives », précise Eric Chantelot, expert Ecophyto à l’IFV. Les QoI ne sont plus conseillés pour lutter contre le mildiou, ni dorénavant contre l’oïdium. En revanche, ils gardent leur intérêt pour lutter contre le black-rot. BRAGANTIA CAMPINAS - 2017 - Resistance of Botrytis cinerea to fungicides controlling gray mold on strawberry in brazil. FRONT. MICROBIOL. 03/01/17 Spread of Botrytis cinerea Strains with Multiple Fungicide Resistance in German Horticulture.

Introduction Gray mold is a destructive fungal disease of a wide range of fruit, vegetable and ornamental crops.

FRONT. MICROBIOL. 03/01/17 Spread of Botrytis cinerea Strains with Multiple Fungicide Resistance in German Horticulture

Infections are usually initiated by conidia. They may or may not enter a state of latency before an aggressive necrotrophic rot breaks out, soon followed by the production of a dense gray lawn of new conidia. Formerly thought to be caused by one species called Botrytis cinerea Pers. APS - JULY 2017 - Resistance to the SDHI Fungicides Boscalid, Fluopyram, Fluxapyroxad, and Penthiopyrad in Botrytis cinerea from Commercial Strawberry Fields in Spain.

APS 15/03/18 Fungicide Resistance in Botrytis fragariae and Species Prevalence in the Mid-Atlantic United States. MAA 30/01/18 NOTE TECHNIQUE COMMUNE GESTION DE LA RESISTANCE 2018 MALADIES DE LA VIGNE : MILDIOU, OÏDIUM, POURRITURE GRISE. WSU Whatcom County Extension via youtube 05/12/16 Resistance Management Strategies for Mummyberry and Botrytis in Blueberries. PLANT HEALTH RESEARCH - MARS 2016 - Determination of Fungicide Resistance in Botrytis cinerea from Strawberry in the Central Coast Region of California. APS - DEC 2016 - Occurrence of Fungicide Resistance in Botrytis cinerea from Greenhouse Tomato in Hubei Province, China. During the early summer of 2012 and 2013, samples of gray mold were collected from greenhouse tomato at eight locations in Hubei Province, and 221 isolates of Botrytis cinerea were obtained and evaluated for the sensitivity to fungicides carbendazim, diethofencarb, boscalid, fludioxonil, and cyprodinil.

APS - DEC 2016 - Occurrence of Fungicide Resistance in Botrytis cinerea from Greenhouse Tomato in Hubei Province, China

Results showed that isolates with resistance to carbendazim and cyprodinil were widespread, whereas isolates with resistance to carbendazim and diethofencarb were found at only two locations. No isolates with resistance to boscalid or fludioxonil were detected. Phytopathology. 2011 Aug;101(8):986-95. Molecular characterization of boscalid resistance in field isolates of Botrytis cinerea from apple. DGAL/ANSES/INRA/CIVC/IFV/CHAMBRE D AGRICULTURE 20/01/17 NOTE TECHNIQUE COMMUNE GESTION DE LA RESISTANCE 2017 MALADIES DE LA VIGNE: MILDIOU, OÏDIUM, POURRITURE GRISE.

Phytopathology. 2011 Aug;101(8):986-95. Molecular characterization of boscalid resistance in field isolates of Botrytis cinerea from apple. FRONTIERS IN MICROBILOGY 14/10/16 The Nitrogen Availability Interferes with Mycorrhiza-Induced Resistance against Botrytis cinerea in Tomato. Introduction Beneficial microbe-plant associations are common in nature, and their benefits to plant health and their potential application in agriculture are under extensive scrutiny (Campos-Soriano and San Segundo, 2011; Smith and Smith, 2011).

Among these associations, arbuscular mycorrhizal (AM) symbiosis is one of the most widespread mutualistic associations worldwide. AM symbioses are established between soil-borne fungi from the phylum Glomeromycota, known as arbuscular mycorrhizal fungi (AMF), and the roots of more than 80% of plant species. These fungi are ubiquitous obligate biotrophs that colonize plant roots to obtain plant carbohydrates for the formation, maintenance, and function of mycorrhizal structures and to complete their life cycle (Bago et al., 2000). MIR has been associated with the metabolic and genetic rearrangement that occurs as a consequence of the AMF colonization of roots that affects plant primary and secondary metabolism (Rivero et al., 2015).

Crop Protection Volume 77, November 2015, Detection of Botrytis cinerea field isolates with multiple fungicide resistance from table grape in Sicily. A Department of Agriculture, Food and Environment, University of Catania, Catania 95123, Italyb Institute of Sciences of Food Production National Research Council (ISPA-CNR), Bari 70126, Italyc Crop and Soil Systems Research Group, Scotland's Rural College, Edinburgh, EH9 3JG, UK Received 10 February 2015, Revised 8 July 2015, Accepted 9 July 2015, Available online 28 July 2015 Choose an option to locate/access this article: Check if you have access through your login credentials or your institution.

Crop Protection Volume 77, November 2015, Detection of Botrytis cinerea field isolates with multiple fungicide resistance from table grape in Sicily

CLEMSON UNIVERSITY - MAI 2014 - Thèse en ligne : Fungicide Resistance in Botrytis cinerea from Strawberry - Molecular Mechanisms and Management. Abstract The United States is the largest producer of strawberries worldwide, generating approximately $2.4 billion worth of fruit each year.

CLEMSON UNIVERSITY - MAI 2014 - Thèse en ligne : Fungicide Resistance in Botrytis cinerea from Strawberry - Molecular Mechanisms and Management

Strawberry production, however, is often threatened by pathogens. One of the most destructive fungal pathogens is Botrytis cinerea, the causal agent of gray mold disease. The control of gray mold in commercial fields is largely dependent on the application of fungicides, including the dicarboximide iprodione and the hydroxyanilide fenhexamid. Because both fungicides are prone to resistance development, a survey was conducted to determine the occurrence and prevalence of fungicide resistance.

Recommended Citation. UNIVERSITE D'AVIGNON - 2009 - Thèse en ligne : Estimation du potentiel de résistance de Botrytis cinerea à des biofongicides. Bull. Soc. Pharm. Bordeaux, 2003, 142, 79-100 ÉTUDE DE LA RÉSISTANCE DE BOTRYTIS CINEREA AUX BENZIMIDAZOLES, DICARBOXIMIDES ET D. UNIVERSITE DE REIMS CHAMPAGNE-ARDENNE 16/11/07 Thèse en ligne : Interaction entre la vigne, Vitis vinifera L., et une bactérie e. UNIVERSITE GENT - 2011 - Thèse en ligne : Induction of resistance to Botrytis cinerea in tomato, bean and cucumber by Serratia p.

INTECH - DEC 2010 – Phenotypic Analyses of Fenhexamid Resistant Botrytis cinerea Mutants. Edited by Odile Carisse, ISBN 978-953-307-266-1, 548 pages, Publisher: InTech, Chapters published December 14, 2010 under CC BY-NC-SA 3.0 licenseDOI: 10.5772/555 Plant and plant products are affected by a large number of plant pathogens among which fungal pathogens.

INTECH - DEC 2010 – Phenotypic Analyses of Fenhexamid Resistant Botrytis cinerea Mutants

These diseases play a major role in the current deficit of food supply worldwide. Various control strategies were developed to reduce the negative effects of diseases on food, fiber, and forest crops products. For the past fifty years fungicides have played a major role in the increased productivity of several crops in most parts of the world. Although fungicide treatments are a key component of disease management, the emergence of resistance, their introduction into the environment and their toxic effect on human, animal, non-target microorganisms and beneficial organisms has become an important factor in limiting the durability of fungicide effectiveness and usefulness.

Stellenbosch University - 2012 - Thèse en ligne : Genetic characterization and fungicide resistance profiles of Botrytis cinerea. Crop Protection Volume 40, October 2012, Pages 49–52 Prevalence of isolates of Botrytis cinerea resistant to multiple fungicides. 2012 - Présentation : La résistance de Botrytis cinerea aux fongicides: êtes-vous résistants?