Barro Mariam, Wonni Issa, Simonin Marie, Kassankogno Abalo Itolou, Klonowska Agnieszka, Moulin Lionel, Béna Gilles, Somda Irénée, Brunel Caroline, Tollenaere Charlotte. 2022. The impact of the rice production system (irrigated vs lowland) on root-associated microbiome from farmer's fields in western Burkina Faso. FEMS Microbiology, Ecology, 98 (9):fiac085, 17 p.
|
Version post-print
- Anglais
Utilisation soumise à autorisation de l'auteur ou du Cirad. fiac085.pdf Télécharger (3MB) | Prévisualisation |
|
|
Version publiée
- Anglais
Utilisation soumise à autorisation de l'auteur ou du Cirad. 601736.pdf Télécharger (3MB) | Prévisualisation |
Résumé : Due to their potential applications for food safety, there is a growing interest in rice root-associated microbial communities, but some systems remain understudied. Here, we compare the assemblage of root-associated microbiota in rice sampled in 19 small farmer's fields from irrigated and rainfed lowlands in Burkina Faso, using an amplicon metabarcoding approach of the 16S rRNA gene (prokaryotes, three plant samples per field) and ITS (fungi, one sample per field). In addition to the expected structure by root compartments (root vs rhizosphere) and geographical zones, we showed that the rice production system is a major driver of microbiome structure. In irrigated systems, we found a higher diversity of prokaryotic communities from the rhizosphere and more complex co-occurrence networks, compared to rainfed lowlands, while fungal communities exhibited an opposite pattern (higher richness in rainfed lowlands). Core taxa were different between the two systems, and indicator species were identified: mostly within Bacillaceae in rainfed lowlands, and within Burkholderiaceae and Moraxellaceae in irrigated areas. Finally, a higher abundance in rainfed lowlands was found for mycorrhizal fungi (both compartments) and rhizobia (rhizosphere only). Our results highlight deep microbiome differences induced by contrasted rice production systems that should consequently be considered for microbial engineering applications.
Mots-clés Agrovoc : flore microbienne, système racinaire, système de production, micro-organisme du sol, riz irrigué, riz inondé, rizière, Oryza sativa, microbiome
Mots-clés géographiques Agrovoc : Burkina Faso
Mots-clés complémentaires : Riziculture
Mots-clés libres : Rice production system, Metabarcoding, Oryza sativa, Root associated micro-organisms, West Africa
Classification Agris : F08 - Systèmes et modes de culture
P34 - Biologie du sol
Champ stratégique Cirad : CTS 2 (2019-) - Transitions agroécologiques
Auteurs et affiliations
- Barro Mariam, INERA (BFA)
- Wonni Issa, INERA (BFA)
- Simonin Marie, Université d'Angers (FRA)
- Kassankogno Abalo Itolou, INERA (BFA)
- Klonowska Agnieszka, IRD (FRA)
- Moulin Lionel, CIRAD-BIOS-UMR PHIM (FRA) ORCID: 0000-0001-9068-6912
- Béna Gilles, IRD (FRA)
- Somda Irénée, Université Nazi Boni (BFA)
- Brunel Caroline, CIRAD-PERSYST-UPR HortSys (REU) ORCID: 0000-0002-0705-5165
- Tollenaere Charlotte, IRD (FRA) - auteur correspondant
Source : Cirad-Agritrop (https://agritrop.cirad.fr/601736/)
[ Page générée et mise en cache le 2024-08-05 ]