Biocontrol Effects of Paecilomyces variotii against Fungal Plant Diseases by Alejandro Moreno-Gavíra,
The genus Paecilomyces is known for its potential application in the control of pests and diseases; however, its use in agriculture is limited to few species. Research interest in new formulations based on microorganisms for the control of pathogens is growing exponentially; therefore, it is necessa...
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| Format: | info:eu-repo/semantics/article |
| Language: | English |
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MDPI
2021
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| Online Access: | http://hdl.handle.net/10835/11931 https://doi.org/10.3390/jof7060415 |
| _version_ | 1789406717009723392 |
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| author | Moreno Gavira, Alejandro Diánez Martínez, Fernando José Sánchez Montesinos, Brenda Santos Hernández, Milagrosa |
| author_facet | Moreno Gavira, Alejandro Diánez Martínez, Fernando José Sánchez Montesinos, Brenda Santos Hernández, Milagrosa |
| author_sort | Moreno Gavira, Alejandro |
| collection | DSpace |
| description | The genus Paecilomyces is known for its potential application in the control of pests and diseases; however, its use in agriculture is limited to few species. Research interest in new formulations based on microorganisms for the control of pathogens is growing exponentially; therefore, it is necessary to study new isolates, which may help control diseases effectively, and to examine their compatibility with established agricultural control methods. We analysed in vitro and in vivo the antagonistic capacity of Paecilomyces variotii against seven phytopathogens with a high incidence in different crops, and we examined its compatibility with 24 commercial fungicides. P. variotii was applied in the following pathosystems: B. cinereal—melon, Sclerotinia sclerotiorum—pepper, R. solani—tomato, F. solani—zucchini, P. aphanidermatum—melon, M. melonis—melon, and P. xanthii—zucchini. The results showed strong control effects on M. melonis and P. xanthii, reducing the disease severity index by 78% and 76%, respectively. The reduction in disease severity in the other pathosystems ranged from 29% to 44%. However, application of metabolites alone did not cause any significant effect on mycelial growth of phytopathogens, apart from F. solani, in which up to 12% inhibition was observed in vitro when the extract was applied at a concentration of 15% in the medium. P. variotii was compatible with most of the tested fungicides, and of the 24 fungicides tested at the maximum authorised dose, 6 acted as fungicides, 4 as fungistatics, and the remaining showed inhibition rates ranging from 18.2% to 95.8%. These results indicate that P. variotii is a potential biological control agent to be used against several aerial and soil diseases, thus it should be integrated into modern pest management strategies. |
| format | info:eu-repo/semantics/article |
| id | oai:repositorio.ual.es:10835-11931 |
| institution | Universidad de Cuenca |
| language | English |
| publishDate | 2021 |
| publisher | MDPI |
| record_format | dspace |
| spelling | oai:repositorio.ual.es:10835-119312023-04-12T18:56:12Z Biocontrol Effects of Paecilomyces variotii against Fungal Plant Diseases by Alejandro Moreno-Gavíra, Moreno Gavira, Alejandro Diánez Martínez, Fernando José Sánchez Montesinos, Brenda Santos Hernández, Milagrosa Paecilomyces biological control endophyte phytopathogens aerial and soil diseases The genus Paecilomyces is known for its potential application in the control of pests and diseases; however, its use in agriculture is limited to few species. Research interest in new formulations based on microorganisms for the control of pathogens is growing exponentially; therefore, it is necessary to study new isolates, which may help control diseases effectively, and to examine their compatibility with established agricultural control methods. We analysed in vitro and in vivo the antagonistic capacity of Paecilomyces variotii against seven phytopathogens with a high incidence in different crops, and we examined its compatibility with 24 commercial fungicides. P. variotii was applied in the following pathosystems: B. cinereal—melon, Sclerotinia sclerotiorum—pepper, R. solani—tomato, F. solani—zucchini, P. aphanidermatum—melon, M. melonis—melon, and P. xanthii—zucchini. The results showed strong control effects on M. melonis and P. xanthii, reducing the disease severity index by 78% and 76%, respectively. The reduction in disease severity in the other pathosystems ranged from 29% to 44%. However, application of metabolites alone did not cause any significant effect on mycelial growth of phytopathogens, apart from F. solani, in which up to 12% inhibition was observed in vitro when the extract was applied at a concentration of 15% in the medium. P. variotii was compatible with most of the tested fungicides, and of the 24 fungicides tested at the maximum authorised dose, 6 acted as fungicides, 4 as fungistatics, and the remaining showed inhibition rates ranging from 18.2% to 95.8%. These results indicate that P. variotii is a potential biological control agent to be used against several aerial and soil diseases, thus it should be integrated into modern pest management strategies. 2021-07-20T10:45:34Z 2021-07-20T10:45:34Z 2021-05-26 info:eu-repo/semantics/article 2309-608X http://hdl.handle.net/10835/11931 https://doi.org/10.3390/jof7060415 en https://www.mdpi.com/2309-608X/7/6/415 Attribution-NonCommercial-NoDerivatives 4.0 Internacional http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess MDPI |
| spellingShingle | Paecilomyces biological control endophyte phytopathogens aerial and soil diseases Moreno Gavira, Alejandro Diánez Martínez, Fernando José Sánchez Montesinos, Brenda Santos Hernández, Milagrosa Biocontrol Effects of Paecilomyces variotii against Fungal Plant Diseases by Alejandro Moreno-Gavíra, |
| title | Biocontrol Effects of Paecilomyces variotii against Fungal Plant Diseases by Alejandro Moreno-Gavíra, |
| title_full | Biocontrol Effects of Paecilomyces variotii against Fungal Plant Diseases by Alejandro Moreno-Gavíra, |
| title_fullStr | Biocontrol Effects of Paecilomyces variotii against Fungal Plant Diseases by Alejandro Moreno-Gavíra, |
| title_full_unstemmed | Biocontrol Effects of Paecilomyces variotii against Fungal Plant Diseases by Alejandro Moreno-Gavíra, |
| title_short | Biocontrol Effects of Paecilomyces variotii against Fungal Plant Diseases by Alejandro Moreno-Gavíra, |
| title_sort | biocontrol effects of paecilomyces variotii against fungal plant diseases by alejandro moreno-gavíra, |
| topic | Paecilomyces biological control endophyte phytopathogens aerial and soil diseases |
| url | http://hdl.handle.net/10835/11931 https://doi.org/10.3390/jof7060415 |
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