2026-06-01T14:39:07Zhttps://riuma.uma.es/rest/oai/requestoai:riuma.uma.es:10630/154802026-02-03T12:21:42Zcom_10630_2254col_10630_37959
RIUMA. Repositorio Institucional de la Universidad de Málaga
author
Vida Hinojosa, Carmen María
author
Tienda Serrano, Sandra
author
De-Vicente-Moreno, Antonio
author
Cazorla-López, Francisco Manuel
2018-03-22T12:15:33Z
2018-03-22T12:15:33Z
2018-03-22
https://hdl.handle.net/10630/15480
Different strategies based on ecological principles have been approached in sustainable agriculture causing positive effects, including the induction of soil suppressiveness against a wide range of soilborne pathogens. Suppressiveness against the phytopathogenic fungus Rosellinia necatrix was observed after the application of composted almond shells in avocado crops. Previous works have analyzed the use of this traditional strategy and applied new microbial community analysis techniques in order to help in the identification of targeted sustainable agricultural strategies. These studies have focused on the microbial profile from an induced-suppressive soil where the soil microbiome had a proven essential role. Microbial profiles based on the 16S rRNA gene and ITS regions sequencing were analysed and an increase in Gammaproteobacteria and Dothideomycetes groups, as well as a reduction in Xylariales (where R. necatrix is allocated) were observed. These results led to the bacterial isolation of different groups of Gammaproteobacteria from this suppressive soil in order to identify new strains with biological control properties. Different characterization tests were performed, and a final selection of representative strains belonging to the genus Pseudomonas and related groups showed, all of them, plant disease protection abilities. Moreover, using previously described biological control agents against R. necatrix, a bacterial synthetic community have been design in order to improve the knowledge of the multitrophic interactions that occur during biological control process.
eng
Hongos fitopatógenos
Deciphering the suppressive soil microbiota from an avocado crop
conference output
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URL
https://riuma.uma.es/bitstreams/ff6708d0-eddc-4979-a970-782fde5599ac/download
File
MD5
5f478945e35e77868f244af527e2df07
9918
application/pdf
Abstract Carmen Vida PM2018.pdf