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Mélanie Bressan

Mélanie Bressan
Aghyle unit · UniLaSalle

PhD

About

21
Publications
6,271
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643
Citations

Publications

Publications (21)
Article
Full-text available
Aphanomyces euteiches is a widespread oomycete pathogen causing root rot in a wide range of leguminous crops. Losses can reach up to 100 % for pea culture and there are currently no registered pesticide for its control. Crop management remains the most efficient tool to control root rot, and avoidance of infested soil seems to be the optimal soluti...
Article
Full-text available
A specificity of Brassicaceous plants is the production of sulphur secondary metabolites called glucosinolates that can be hydrolysed into glucose and biocidal products. Among them, isothiocyanates are toxic to a wide range of microorganisms and particularly soil-borne pathogens. The aim of this study was to investigate the role of glucosinolates a...
Article
Full-text available
The effects of intense heat during the reproductive phase of two Brassica species—B. napus and C. sativa—could be alleviated by a prior gradual increase exposure and/or PGPR inoculation. Abct. Among extreme weather events caused by climate change, heat waves are one of the most threatening issues for food security. Heat stress is known to be partic...
Article
Full-text available
Biointrants constitute a promising opportunity to lower mineral input on rapeseed, characterized by high nutrient requirements. As bio-inoculants, phosphate-solubilizing bacteria (PSB) could increase the amount of available P in a soil solution. However, the deployment of these bio-inoculants in fields is not always successful. Disentangling the fa...
Article
Root exudation is involved in the recruitment of beneficial microorganisms by trophic relationships and/or signalling pathways. Among beneficial microorganisms, Plant Growth‐Promoting Rhizobacteria (PGPR) are known to improve plant growth and stress resistance. These interactions are of particular importance for species that do not interact with my...
Presentation
Full-text available
Regional evaluation of soybean insertion in crop rotations taking into account the agronomic constrains but also cropping systems gross margin before and after including soybean
Article
In this study, three PSB strains belonging to the Pseudomonas genus, isolated from soil harvested under rapeseed (Pnapus), winter pea (Pisum sativum, Ppea), and faba bean (Vicia faba, Pfaba), were tested on rapeseed growth. This test was performed in a greenhouse experiment with four plant replicates in pots per modality during the vegetative stage...
Article
Deployment of Phosphate Solubilizing Bacteria (PSB) can enhance plant P uptake through remobilization of recalcitrant forms of P in soil. In this study, bacterial strains isolated in the rhizospheric soil of rapeseed, winter pea and faba bean, with various P requirements, were screened for their PSB potential through the characterization of several...
Article
Full-text available
Fiber flax (Linum usitatissimum L.), an important crop in Normandy (France), is increasingly affected by Verticillium wilt caused by the soilborne fungus Verticillium dahliae. This disease leads to nonnegligible yield losses and depreciated fibers that are consequently difficult to upgrade. Verticillium wilt is a major threat to a broad range of ag...
Article
Full-text available
Phytophthora parasitica infection of Choisya ternata can cause important economical loses due to root rot disease. This research focused on testing the potential benefit of chemical treatment (Mefenoxam) and Biological Control Agents (Glomus intraradices, Gliocladium catenulatum, Trichoderma atroviridae and Bacillus amyloliquefaciens) in protecting...
Conference Paper
Full-text available
Les écosystèmes à arganier sont soumis à une forte dégradation de leur fonctionnement due aux effets conjugués des changements climatiques globaux et des pressions anthropiques croissantes. Le développement de stratégies durables de gestion de ce patrimoine est donc crucial pour son maintien et son exploitation. Parmi ces stratégies, l’utilisation...
Chapter
Genetic engineering of plant, through modification of natural defense system or artificial production of exogenous bioactive metabolites, has the potential to create new crops with increased resistance to pests and pathogens. However, potential detrimental effects of these modified plants on environment processes have to be measured. Here, we descr...
Article
The factors regulating soil microbial stability (e.g. resistance and resilience) are poorly understood, even though microorganisms are essential for ecosystem functioning. In this study, we tested whether a functional microbial community subjected to different primary mild stresses was equally resistant or resilient to a subsequent severe stress. T...
Article
In soil, genetic structure modifications of indigenous bacterial community consecutively to a severe stress (mercury contamination) were delayed when the community was pre-exposed to various minor perturbations (heat, copper and atrazine). Such minor perturbations induced transitory community structure modifications leading to an increase of commun...

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