Antifungal Activity of Propyl-Propane-Thiosulfinate (PTS) and Propyl-Propane-Thiosulfonate (PTSO) from Allium cepa against Verticillium dahliae: In Vitro and in Planta Assays
This article belongs to the Special Issue Control of Fungal Diseases in Crops.
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Multidisciplinary Digital Publishing Institute
2021-09-08
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| Subjects: | Verticillium wilt, Onion, Organosulfur compounds, Olive trees, Pest management, |
| Online Access: | http://hdl.handle.net/10261/267742 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100000780 |
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dig-ias-es-10261-2677422022-04-26T06:49:33Z Antifungal Activity of Propyl-Propane-Thiosulfinate (PTS) and Propyl-Propane-Thiosulfonate (PTSO) from Allium cepa against Verticillium dahliae: In Vitro and in Planta Assays Falcón-Piñeiro, Ana Remesal, Efrén Noguera, Miguel Ariza, Juan José Guillamón. Enrique Baños, Alberto Navas Cortés, Juan Antonio Ministerio de Agricultura, Pesca y Alimentación (España) European Commission Agencia Estatal de Investigación (España) Verticillium wilt Onion Organosulfur compounds Olive trees Pest management This article belongs to the Special Issue Control of Fungal Diseases in Crops. Verticillium wilt, caused by Verticillium dahliae, is the most devastating soil-borne fungal disease of olive trees worldwide. Currently, there is no effective measure available to control the pathogen in diseased plants in open field conditions. Searching more effective and sustainable solutions are a priority for the olive sector. The existing alternatives for disease control include the use of biological control microorganisms and compounds of natural origin from plants, such as Alliaceae. Propyl propane thiosulfinate (PTS) and propyl propane thiosulfonate (PTSO) are two organosulfur compounds derived from Allium cepa with a widely documented antimicrobial activity. The aim of this study was to evaluate the antifungal activity of PTS and PTSO against the defoliating and non-defoliating V. dahliae pathotypes. Firstly, several in vitro tests were performed (Minimum Antifungal Concentration, susceptibility studies according to the Kirby–Bauer disk-diffusion method, antifungal activity through aerial diffusion and effect on mycelial growth). The ability of both compounds to sanitize soil was evaluated using a sterile substrate inoculated with V. dahliae. Finally, challenges in growth chambers were carried out. PTS and PTSO generated growth inhibition zones in agar diffusion and the gas phase, and the mycelial growth of all the V. dahliae strains was significantly altered. The V. dahliae population in soil was considerably reduced after the sanitization. Finally, in planta assays demonstrated the ability of these compounds to reduce disease related parameters and their contribution to control the phytopathogen. In conclusion, the results showed that the PTS and PTSO from Allium cepa display in vitro and in vivo antifungal activity against V. dahliae and suggested that both compounds could be used as natural and environmentally friendly tools for Verticillium wilt management. This research has been carried out within the project GRUPO OPERATIVO SALUD- OLIVAR from the Spanish Rural Development Program (2014–2020) funded by the Spanish Ministry of Agriculture, Fisheries and Food and co-financed by 80% by the European Agricultural Fund for Rural Development (FEADER) (Total investment 384.830,96 EUR). This study is part of the Industrial Doctorate of the doctoral student Ana Falcón Piñeiro, granted by the State Research Agency of the Spanish Government, with the following reference: DIN2019-010792. 2022-04-25T10:40:05Z 2022-04-25T10:40:05Z 2021-09-08 2022-04-25T10:40:05Z artículo http://purl.org/coar/resource_type/c_6501 doi: 10.3390/jof7090736 e-issn: 2309-608X Journal of Fungi 7(9): 736 (2021) http://hdl.handle.net/10261/267742 10.3390/jof7090736 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100000780 Publisher's version http://dx.doi.org/10.3390/jof7090736 Sí open Multidisciplinary Digital Publishing Institute |
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Verticillium wilt Onion Organosulfur compounds Olive trees Pest management Verticillium wilt Onion Organosulfur compounds Olive trees Pest management |
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Verticillium wilt Onion Organosulfur compounds Olive trees Pest management Verticillium wilt Onion Organosulfur compounds Olive trees Pest management Falcón-Piñeiro, Ana Remesal, Efrén Noguera, Miguel Ariza, Juan José Guillamón. Enrique Baños, Alberto Navas Cortés, Juan Antonio Antifungal Activity of Propyl-Propane-Thiosulfinate (PTS) and Propyl-Propane-Thiosulfonate (PTSO) from Allium cepa against Verticillium dahliae: In Vitro and in Planta Assays |
| description |
This article belongs to the Special Issue Control of Fungal Diseases in Crops. |
| author2 |
Ministerio de Agricultura, Pesca y Alimentación (España) |
| author_facet |
Ministerio de Agricultura, Pesca y Alimentación (España) Falcón-Piñeiro, Ana Remesal, Efrén Noguera, Miguel Ariza, Juan José Guillamón. Enrique Baños, Alberto Navas Cortés, Juan Antonio |
| format |
artículo |
| topic_facet |
Verticillium wilt Onion Organosulfur compounds Olive trees Pest management |
| author |
Falcón-Piñeiro, Ana Remesal, Efrén Noguera, Miguel Ariza, Juan José Guillamón. Enrique Baños, Alberto Navas Cortés, Juan Antonio |
| author_sort |
Falcón-Piñeiro, Ana |
| title |
Antifungal Activity of Propyl-Propane-Thiosulfinate (PTS) and Propyl-Propane-Thiosulfonate (PTSO) from Allium cepa against Verticillium dahliae: In Vitro and in Planta Assays |
| title_short |
Antifungal Activity of Propyl-Propane-Thiosulfinate (PTS) and Propyl-Propane-Thiosulfonate (PTSO) from Allium cepa against Verticillium dahliae: In Vitro and in Planta Assays |
| title_full |
Antifungal Activity of Propyl-Propane-Thiosulfinate (PTS) and Propyl-Propane-Thiosulfonate (PTSO) from Allium cepa against Verticillium dahliae: In Vitro and in Planta Assays |
| title_fullStr |
Antifungal Activity of Propyl-Propane-Thiosulfinate (PTS) and Propyl-Propane-Thiosulfonate (PTSO) from Allium cepa against Verticillium dahliae: In Vitro and in Planta Assays |
| title_full_unstemmed |
Antifungal Activity of Propyl-Propane-Thiosulfinate (PTS) and Propyl-Propane-Thiosulfonate (PTSO) from Allium cepa against Verticillium dahliae: In Vitro and in Planta Assays |
| title_sort |
antifungal activity of propyl-propane-thiosulfinate (pts) and propyl-propane-thiosulfonate (ptso) from allium cepa against verticillium dahliae: in vitro and in planta assays |
| publisher |
Multidisciplinary Digital Publishing Institute |
| publishDate |
2021-09-08 |
| url |
http://hdl.handle.net/10261/267742 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100000780 |
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