Isolation of bio-protective microbial agents from eco-composts
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URI: http://hdl.handle.net/10835/16030
ISSN: 2230-7281
DOI: https://doi.org/10.1016/j.biocontrol.2013.07.003
ISSN: 2230-7281
DOI: https://doi.org/10.1016/j.biocontrol.2013.07.003
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Suárez Estrella, Francisca; Jurado Rodríguez, Macarena Del Mar; Vargas García, María Del Carmen; López López, María José; Moreno Casco, José JoaquínFecha
2013-07-08Resumen
Although increasing soil fertility is the main use of compost, the presence of bio-protective microorganisms against plant pathogens confers it an added value.
Here we review a microbial collection from plant waste based composting piles, and we tested the
selected microbiota towards phytopathogenic bacteria and fungi. The raw material used for composting
mixtures was vegetable waste from organic agriculture. Compost samples were collected at different
stages of the composting process and one hundred and twenty-six microbial strains were selected. Phytopahtogenic strains were supplied by the Spanish Type Culture Collection: Fusarium oxysporum f.sp. melonis CECT 20474, Rhizoctonia solani CECT 2824, Pythium ultimum CECT 2365, Pectobacterium carotovorum
subsp. carotovorum CECT 225, Pseudomonas syringae subsp. syringae CECT 127 and Xanthomonas campestris CECT 95.
Forty out of all tested isolates showed in vitro antagonistic activity against at least three out of the six
phytopathoge...
Palabra/s clave
Compost
Suppressiveness
Biological control
Bacillus subtilis
Penicillium chrysogenum