Biotic aspects involved in the control of damping-off producing agents: The role of the thermotolerant microbiota isolated from composting of plant waste
Along with the high temperatures generated during the composting process, the microbial community of a compost pile collaborates actively in the control of damping-off producing agents. Such collaboration could be justified on the basis of the ability of the microbiota to produce fungicide substan...
| Main Authors: | , , , , , |
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| Format: | info:eu-repo/semantics/article |
| Language: | English |
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2024
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10835/15012 https://doi.org/10.1016/j.biocontrol.2018.04.015 |
| _version_ | 1789406447105212416 |
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| author | Sánchez San Fulgencio, N. Suárez Estrella, Francisca López, M. J. Jurado Rodríguez, Macarena Del Mar López González, Juan Antonio Moreno, J. |
| author_facet | Sánchez San Fulgencio, N. Suárez Estrella, Francisca López, M. J. Jurado Rodríguez, Macarena Del Mar López González, Juan Antonio Moreno, J. |
| author_sort | Sánchez San Fulgencio, N. |
| collection | DSpace |
| description | Along with the high temperatures generated during the composting process, the microbial community of a
compost pile collaborates actively in the control of damping-off producing agents. Such collaboration could be
justified on the basis of the ability of the microbiota to produce fungicide substances that are involved in the
control of damping-off or other bioactive compounds that affect the growth promotion of plants. Thanks to ex situ
experiments, a remarkable suppressive effect was corroborated against different agents producing damping-off.
The microbial strains involved in this effect were detected mainly in the bio-oxidative and maturation phases of
the composting process. However, only 3% of the total collection of strains proved to have a multipotential
character with respect to its spectrum of action against the damping-off producing agents, as well as in relation to
its capacity to produce substances of agronomic interest. It is worth mentioning the presence of two thermophilic
isolates identified as Geobacillus thermodenitrificans and Bacillus aerius that showed the ability to inhibit the
symptoms caused by Phytophthora capsici in vivo. Both strains were able to produce siderophores, salicylic acid
and chitinase enzymes in vitro, but only G. thermodenitrificans was able to stimulate the development of the root
in pepper seedlings. In this sense, it is suspected that the production of cyanide by this thermophilic bacteria
could be related to this latter effect. |
| format | info:eu-repo/semantics/article |
| id | oai:repositorio.ual.es:10835-15012 |
| institution | Universidad de Cuenca |
| language | English |
| publishDate | 2024 |
| record_format | dspace |
| spelling | oai:repositorio.ual.es:10835-150122024-01-09T12:41:52Z Biotic aspects involved in the control of damping-off producing agents: The role of the thermotolerant microbiota isolated from composting of plant waste Sánchez San Fulgencio, N. Suárez Estrella, Francisca López, M. J. Jurado Rodríguez, Macarena Del Mar López González, Juan Antonio Moreno, J. Composting process Biological control Damping-off Plant growth promoting microorganisms Geobacillus thermodenitrificans Along with the high temperatures generated during the composting process, the microbial community of a compost pile collaborates actively in the control of damping-off producing agents. Such collaboration could be justified on the basis of the ability of the microbiota to produce fungicide substances that are involved in the control of damping-off or other bioactive compounds that affect the growth promotion of plants. Thanks to ex situ experiments, a remarkable suppressive effect was corroborated against different agents producing damping-off. The microbial strains involved in this effect were detected mainly in the bio-oxidative and maturation phases of the composting process. However, only 3% of the total collection of strains proved to have a multipotential character with respect to its spectrum of action against the damping-off producing agents, as well as in relation to its capacity to produce substances of agronomic interest. It is worth mentioning the presence of two thermophilic isolates identified as Geobacillus thermodenitrificans and Bacillus aerius that showed the ability to inhibit the symptoms caused by Phytophthora capsici in vivo. Both strains were able to produce siderophores, salicylic acid and chitinase enzymes in vitro, but only G. thermodenitrificans was able to stimulate the development of the root in pepper seedlings. In this sense, it is suspected that the production of cyanide by this thermophilic bacteria could be related to this latter effect. 2024-01-09T12:41:52Z 2024-01-09T12:41:52Z 2018-04-10 info:eu-repo/semantics/article 1049-9644 http://hdl.handle.net/10835/15012 https://doi.org/10.1016/j.biocontrol.2018.04.015 en info:eu-repo/semantics/openAccess |
| spellingShingle | Composting process Biological control Damping-off Plant growth promoting microorganisms Geobacillus thermodenitrificans Sánchez San Fulgencio, N. Suárez Estrella, Francisca López, M. J. Jurado Rodríguez, Macarena Del Mar López González, Juan Antonio Moreno, J. Biotic aspects involved in the control of damping-off producing agents: The role of the thermotolerant microbiota isolated from composting of plant waste |
| title | Biotic aspects involved in the control of damping-off producing agents: The role of the thermotolerant microbiota isolated from composting of plant waste |
| title_full | Biotic aspects involved in the control of damping-off producing agents: The role of the thermotolerant microbiota isolated from composting of plant waste |
| title_fullStr | Biotic aspects involved in the control of damping-off producing agents: The role of the thermotolerant microbiota isolated from composting of plant waste |
| title_full_unstemmed | Biotic aspects involved in the control of damping-off producing agents: The role of the thermotolerant microbiota isolated from composting of plant waste |
| title_short | Biotic aspects involved in the control of damping-off producing agents: The role of the thermotolerant microbiota isolated from composting of plant waste |
| title_sort | biotic aspects involved in the control of damping-off producing agents: the role of the thermotolerant microbiota isolated from composting of plant waste |
| topic | Composting process Biological control Damping-off Plant growth promoting microorganisms Geobacillus thermodenitrificans |
| url | http://hdl.handle.net/10835/15012 https://doi.org/10.1016/j.biocontrol.2018.04.015 |
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