16 resultados para service level management
Filtro por publicador
- Aberdeen University (3)
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- Biblioteca Virtual del Sistema Sanitario Público de Andalucía (BV-SSPA), Junta de Andalucía. Consejería de Salud y Bienestar Social, Spain (7)
- Biodiversity Heritage Library, United States (10)
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- Bulgarian Digital Mathematics Library at IMI-BAS (5)
- CentAUR: Central Archive University of Reading - UK (29)
- CiencIPCA - Instituto Politécnico do Cávado e do Ave, Portugal (4)
- Cochin University of Science & Technology (CUSAT), India (4)
- Comissão Econômica para a América Latina e o Caribe (CEPAL) (2)
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- Doria (National Library of Finland DSpace Services) - National Library of Finland, Finland (97)
- DRUM (Digital Repository at the University of Maryland) (2)
- Duke University (1)
- FUNDAJ - Fundação Joaquim Nabuco (2)
- Galway Mayo Institute of Technology, Ireland (4)
- Glasgow Theses Service (1)
- Institute of Public Health in Ireland, Ireland (35)
- Instituto Politécnico de Viseu (1)
- Instituto Politécnico do Porto, Portugal (59)
- Iowa Publications Online (IPO) - State Library, State of Iowa (Iowa), United States (75)
- Lume - Repositório Digital da Universidade Federal do Rio Grande do Sul (1)
- Memoria Académica - FaHCE, UNLP - Argentina (3)
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- Scielo Saúde Pública - SP (16)
- Scottish Institute for Research in Economics (SIRE) (SIRE), United Kingdom (2)
- The Scholarly Commons | School of Hotel Administration; Cornell University Research (4)
- Universidad de Alicante (3)
- Universidad del Rosario, Colombia (10)
- Universidad Politécnica de Madrid (26)
- Universidade do Minho (12)
- Universidade dos Açores - Portugal (2)
- Universidade Federal de Uberlândia (1)
- Universidade Federal do Pará (2)
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- University of Southampton, United Kingdom (1)
- University of Washington (1)
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- Worcester Research and Publications - Worcester Research and Publications - UK (1)
Resumo:
Soil management, in terms of tillage and cropping systems, strongly influences the biological properties of soil involved in the suppression of plant diseases. Fungistasis mediated by soil microbiota is an important component of disease-suppressive soils. We evaluated the influence of different management systems on fungistasis against Fusarium graminearum, the relationship of fungistasis to the bacterial profile of the soil, and the possible mechanisms involved in this process. Samples were taken from a long-term experiment set up in a Paleudult soil under conventional tillage or no-tillage management and three cropping systems: black oat (Avena strigose L.) + vetch (Vicia sativa L.)/maize (Zea mays L.) + cowpea (Vigna sinensis L.), black oat/maize, and vetch/maize. Soil fungistasis was evaluated in terms of reduction of radial growth of F. graminearum, and bacterial diversity was assessed using ribosomal intergenic spacer analysis (RISA). A total of 120 bacterial isolates were obtained and evaluated for antibiosis, and production of volatile compounds and siderophores. No-tillage soil samples showed the highest level of F. graminearum fungistasis by sharply reducing the development of this pathogen. Of the cropping systems tested, the vetch + black oat/maize + cowpea system showed the highest fungistasis and the oat/maize system showed the lowest. The management system also affected the genetic profile of the bacteria isolated, with the systems from fungistatic soils showing greater similarity. Although there was no clear relationship between soil management and the characteristics of the bacterial isolates, we may conclude that antibiosis and the production of siderophores were the main mechanisms accounting for fungistasis.