A5010302386- Wheat and Barley Genetics and Pathology
- Agriculture and Rural Development Research
- Agronomic Practices and Intercropping Systems
- Genetics and Plant Breeding
- Genetic Mapping and Diversity in Plants and Animals
- Crop Yield and Soil Fertility
- Horticultural and Viticultural Research
- Genetic and Environmental Crop Studies
- Greenhouse Technology and Climate Control
- Yeasts and Rust Fungi Studies
- Plant Disease Resistance and Genetics
- Agriculture, Plant Science, Crop Management
- Legume Nitrogen Fixing Symbiosis
- Agroforestry and silvopastoral systems
- Agricultural Innovations and Practices
- African Botany and Ecology Studies
- Plant Physiology and Cultivation Studies
- Gene expression and cancer classification
- Smart Agriculture and AI
- Soil Carbon and Nitrogen Dynamics
- Plant Pathogens and Fungal Diseases
- Agricultural Productivity and Crop Improvement
- French Urban and Social Studies
- Rice Cultivation and Yield Improvement
- Plant Water Relations and Carbon Dynamics
Université Paris-Saclay
2017-2025
Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement
2015-2025
AgroParisTech
2007-2025
Centre National de la Recherche Scientifique
2017-2025
Génétique Quantitative et Évolution Le Moulon
2015-2024
Institut National de la Recherche Agronomique
2003-2014
Biologie et Gestion des Risques en Agriculture
2007
Centre de Génétique Moléculaire
1998-1999
Population models of host-parasite interactions predict that when different parasite genotypes compete within a host for limited resources, those exploit the faster will be selected, leading to an increase in virulence. When parasites sharing are related, however, kin selection should lead more cooperative exploitation may involve slower rates reproduction. Despite their potential importance, studies assess prevalence multiple genotype infections natural populations remain rare, and...
Mixed cropping has been suggested as a resource-efficient approach to meet high produce demands while maintaining biodiversity and minimizing environmental impact. Current breeding programs do not select for enhanced general mixing ability (GMA) neglect biological interactions within species mixtures. Clear concepts efficient experimental designs, adapted mixed encoded into appropriate statistical models, are lacking. Thus, model framework GMA SMA (specific ability) was established. Results...
Interactions between plant pathogens and their hosts are highly dynamic mainly driven by pathogen effectors receptors. Host-pathogen co-evolution can cause rapid diversification or loss of genes encoding host-exposed proteins. The molecular mechanisms that underpin such sequence dynamics remains poorly investigated at the scale entire species. Here, we focus on AvrStb6, a major effector global wheat Zymoseptoria tritici, evolving in response to cognate receptor Stb6, resistance widely...
Abstract We report the characterization of 12 polymorphic microsatellite markers in biotrophic fungus Puccinia triticina , causal agent leaf rust on wheat. An enrichment protocol was used to isolate loci and polymorphism explored with 15 European isolates. Significant level cross‐amplification (44% loci) found P. striiformis .
Powdery mildew is one of the most important diseases flax and particularly prejudicial to its yield oil or fiber quality. This disease, caused by obligate biotrophic ascomycete Oïdium lini, progressing in France. Genetic resistance varieties critical for control this but very few genes have been identified so far. It therefore necessary identify new powdery suitable local context pathogenicity. For purpose, we studied a worldwide diversity panel composed 311 genotypes both phenotyped over 2...
Abstract In face of the current environmental challenges, developing multifunctional cropping systems is increasingly needed, and crop variety mixtures are particularly interesting since they can deliver diverse services including grain production, yield stability, N 2 O production regulation, disease control, reduction N-fertilizer losses. However, relationships between intraspecific diversity ecosystem multifunctionality poorly understood so far, practitioners lack science-based guidance...
Mixed cropping (MC) is a key strategy to harness agriculture for climate-change. Breeding adapted genotypes can unleash the full potential of MC, both in terms yield and stability. To achieve this goal, concepts from breeding ecology have be fused order develop suitable methodology MC. In advance field we evaluated trait data pure stands (PS) mixed (MS) pea (P. sativum L.) barley (H. vulgare as legume-cereal model system. Twenty-eight seven lines, representing European material, were grown...
Although widely used in ecology, trait-based approaches are seldom to study agroecosystems. In particular, there is a need evaluate how functional trait variability among varieties of crop species compares the wild plant and variety selection can modify syndromes. Here, we quantified 18 above- below-ground traits for 57 common wheat representative different modern histories. We compared Pooideae species, analyzed effect histories on values For under strong selection, was less than 10%...
Branching is a main morphogenetic process involved in the adaptation of plants to environment. In grasses, tillering divided into three phases: tiller emergence, cessation and regression. Understanding prediction major challenge better control cereal yields. this paper, we present evaluate WALTer, an individual-based model wheat built on simple self-adaptive rules for predicting dynamics at contrasting sowing densities.
Studying the heterogeneity in variation of gene frequency among populations or between generations may be a possible way to detect genomic regions experiencing selection. In order evaluate this approach, RFLP markers were used compare allelic frequencies wheat that had been submitted natural 1984, samples two composite cross distributed French network for dynamic management genetic resources. Since then, all sub-populations have cultivated same sites with no human The strong differentiation...
Abstract Cultivar resistance is a major asset for the management of crop diseases and can play an important role in agroecological transition. However, wide deployment reduced number genes lead to rapid adaptation pathogen populations loss efficiency. The objective this study was characterize discuss different trajectories adult plant ratings yellow rust French wheat cultivars between 1963 2018. Among 719 assessed at least 2 years, 590 showed no variation their scores, despite mean 4.3 years...
Cereal-legume intercropping is a promising strategy for sustainable agroecosystems. The traditional of maize and bean experiencing revival in some modern agricultural settings, such as southwestern France, where hybrids are intercropped with the commercialized Tarbais bean. We conducted on-farm surveys to address following questions: How do sole cropping impact yield, nutrient uptake rhizosphere bacterial assemblages? Do positive or negative interactions between dominate at phenotypic level?...
Increasing the cultivated diversity has been identified as a major leverage for agroecological transition it can help improve resilience of low input cropping systems. For wheat, which is most crop worldwide in terms harvested area, use cultivar mixtures spreading several countries, but studies have seldom focused on establishing mixing rules based plant architecture. Yet, aerial architecture plants and overall canopy structure are critical field performance they greatly influence light...
Monitoring spatiotemporal changes in varietal resistance and understanding its drivers seem essential to managing plant diseases but require having access the genetic basis of disease deployment. In this study, we focused on yellow rust (Puccinia striiformis f. sp. tritici) for three decades France, by using field adult levels, Yr race-specific genes varieties, presence Puccinia tritici pathotypes their virulence profiles, systematic surveys acreages bread wheat varieties available at a...