Microflora of wheat (Triticum aestivum L.) in Buenos Aires Province (Argentina) and its possible significance in biological control of foliar pathogens
- Autores
- Perelló, Analía; Simón, María Rosa; Sisterna, Marina Noemí; Cordo, Cristina Alicia; Arambarri, A.
- Año de publicación
- 2001
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Micro-organisms on the leaf surface of Triticum aestivum L. were examined. The wheat leaves were collected from experimental fields in six localities of Buenos Aires Province (Argentina). Thirteen mycelial fungi, two yeasts and a bacterium belonging to the genus Bacillus (Bw/97) were isolated from wheat foliage and evaluated for effectiveness in suppressing Alternaria triticimaculans, Bipolaris sorokiniana, Drechslera tritici-repentis and Septoria tritici under controlled conditions. Antagonistic activity was examined with the dual cultures method on potato dextrose agar media among 10 of these micro-organisms against the four foliar pathogens. Mycelial growth inhibition and colony interactions in all possible paired combinations were evaluated. The results are discussed in relation to the biological control of these cereal pathogens. In this work, the importance of indigenous antagonists in wheat disease suppression and the possibility of managing ecosystem conditions in order to enhance natural biological control is suggested. In our assays, Aspergillus niger, Bw/97 and Nigrospora sphaerica showed a strong inhibitory effect in vitro against the average of the four necrotrophic fungi tested and justify further evaluation for biocontrol of wheat foliar pathogens. The others antagonists ranked variably among the assays. Greenhouse bioassays and field evaluations using these isolates are currently under investigation.
- Materia
-
Agronomía, reproducción y protección de plantas
whear
biological control
phyIloplane
foliar pathogens
antagonism - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by-nc-nd/4.0/
- Repositorio
- Institución
- Comisión de Investigaciones Científicas de la Provincia de Buenos Aires
- OAI Identificador
- oai:digital.cic.gba.gob.ar:11746/6964
Ver los metadatos del registro completo
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Microflora of wheat (Triticum aestivum L.) in Buenos Aires Province (Argentina) and its possible significance in biological control of foliar pathogensPerelló, AnalíaSimón, María RosaSisterna, Marina NoemíCordo, Cristina AliciaArambarri, A.Agronomía, reproducción y protección de plantaswhearbiological controlphyIloplanefoliar pathogensantagonismMicro-organisms on the leaf surface of Triticum aestivum L. were examined. The wheat leaves were collected from experimental fields in six localities of Buenos Aires Province (Argentina). Thirteen mycelial fungi, two yeasts and a bacterium belonging to the genus Bacillus (Bw/97) were isolated from wheat foliage and evaluated for effectiveness in suppressing Alternaria triticimaculans, Bipolaris sorokiniana, Drechslera tritici-repentis and Septoria tritici under controlled conditions. Antagonistic activity was examined with the dual cultures method on potato dextrose agar media among 10 of these micro-organisms against the four foliar pathogens. Mycelial growth inhibition and colony interactions in all possible paired combinations were evaluated. The results are discussed in relation to the biological control of these cereal pathogens. In this work, the importance of indigenous antagonists in wheat disease suppression and the possibility of managing ecosystem conditions in order to enhance natural biological control is suggested. In our assays, Aspergillus niger, Bw/97 and Nigrospora sphaerica showed a strong inhibitory effect in vitro against the average of the four necrotrophic fungi tested and justify further evaluation for biocontrol of wheat foliar pathogens. The others antagonists ranked variably among the assays. Greenhouse bioassays and field evaluations using these isolates are currently under investigation.2001-05-15info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttps://digital.cic.gba.gob.ar/handle/11746/6964enginfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-nd/4.0/reponame:CIC Digital (CICBA)instname:Comisión de Investigaciones Científicas de la Provincia de Buenos Airesinstacron:CICBA2025-09-29T13:40:04Zoai:digital.cic.gba.gob.ar:11746/6964Institucionalhttp://digital.cic.gba.gob.arOrganismo científico-tecnológicoNo correspondehttp://digital.cic.gba.gob.ar/oai/snrdmarisa.degiusti@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:94412025-09-29 13:40:04.335CIC Digital (CICBA) - Comisión de Investigaciones Científicas de la Provincia de Buenos Airesfalse |
dc.title.none.fl_str_mv |
Microflora of wheat (Triticum aestivum L.) in Buenos Aires Province (Argentina) and its possible significance in biological control of foliar pathogens |
title |
Microflora of wheat (Triticum aestivum L.) in Buenos Aires Province (Argentina) and its possible significance in biological control of foliar pathogens |
spellingShingle |
Microflora of wheat (Triticum aestivum L.) in Buenos Aires Province (Argentina) and its possible significance in biological control of foliar pathogens Perelló, Analía Agronomía, reproducción y protección de plantas whear biological control phyIloplane foliar pathogens antagonism |
title_short |
Microflora of wheat (Triticum aestivum L.) in Buenos Aires Province (Argentina) and its possible significance in biological control of foliar pathogens |
title_full |
Microflora of wheat (Triticum aestivum L.) in Buenos Aires Province (Argentina) and its possible significance in biological control of foliar pathogens |
title_fullStr |
Microflora of wheat (Triticum aestivum L.) in Buenos Aires Province (Argentina) and its possible significance in biological control of foliar pathogens |
title_full_unstemmed |
Microflora of wheat (Triticum aestivum L.) in Buenos Aires Province (Argentina) and its possible significance in biological control of foliar pathogens |
title_sort |
Microflora of wheat (Triticum aestivum L.) in Buenos Aires Province (Argentina) and its possible significance in biological control of foliar pathogens |
dc.creator.none.fl_str_mv |
Perelló, Analía Simón, María Rosa Sisterna, Marina Noemí Cordo, Cristina Alicia Arambarri, A. |
author |
Perelló, Analía |
author_facet |
Perelló, Analía Simón, María Rosa Sisterna, Marina Noemí Cordo, Cristina Alicia Arambarri, A. |
author_role |
author |
author2 |
Simón, María Rosa Sisterna, Marina Noemí Cordo, Cristina Alicia Arambarri, A. |
author2_role |
author author author author |
dc.subject.none.fl_str_mv |
Agronomía, reproducción y protección de plantas whear biological control phyIloplane foliar pathogens antagonism |
topic |
Agronomía, reproducción y protección de plantas whear biological control phyIloplane foliar pathogens antagonism |
dc.description.none.fl_txt_mv |
Micro-organisms on the leaf surface of Triticum aestivum L. were examined. The wheat leaves were collected from experimental fields in six localities of Buenos Aires Province (Argentina). Thirteen mycelial fungi, two yeasts and a bacterium belonging to the genus Bacillus (Bw/97) were isolated from wheat foliage and evaluated for effectiveness in suppressing Alternaria triticimaculans, Bipolaris sorokiniana, Drechslera tritici-repentis and Septoria tritici under controlled conditions. Antagonistic activity was examined with the dual cultures method on potato dextrose agar media among 10 of these micro-organisms against the four foliar pathogens. Mycelial growth inhibition and colony interactions in all possible paired combinations were evaluated. The results are discussed in relation to the biological control of these cereal pathogens. In this work, the importance of indigenous antagonists in wheat disease suppression and the possibility of managing ecosystem conditions in order to enhance natural biological control is suggested. In our assays, Aspergillus niger, Bw/97 and Nigrospora sphaerica showed a strong inhibitory effect in vitro against the average of the four necrotrophic fungi tested and justify further evaluation for biocontrol of wheat foliar pathogens. The others antagonists ranked variably among the assays. Greenhouse bioassays and field evaluations using these isolates are currently under investigation. |
description |
Micro-organisms on the leaf surface of Triticum aestivum L. were examined. The wheat leaves were collected from experimental fields in six localities of Buenos Aires Province (Argentina). Thirteen mycelial fungi, two yeasts and a bacterium belonging to the genus Bacillus (Bw/97) were isolated from wheat foliage and evaluated for effectiveness in suppressing Alternaria triticimaculans, Bipolaris sorokiniana, Drechslera tritici-repentis and Septoria tritici under controlled conditions. Antagonistic activity was examined with the dual cultures method on potato dextrose agar media among 10 of these micro-organisms against the four foliar pathogens. Mycelial growth inhibition and colony interactions in all possible paired combinations were evaluated. The results are discussed in relation to the biological control of these cereal pathogens. In this work, the importance of indigenous antagonists in wheat disease suppression and the possibility of managing ecosystem conditions in order to enhance natural biological control is suggested. In our assays, Aspergillus niger, Bw/97 and Nigrospora sphaerica showed a strong inhibitory effect in vitro against the average of the four necrotrophic fungi tested and justify further evaluation for biocontrol of wheat foliar pathogens. The others antagonists ranked variably among the assays. Greenhouse bioassays and field evaluations using these isolates are currently under investigation. |
publishDate |
2001 |
dc.date.none.fl_str_mv |
2001-05-15 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
https://digital.cic.gba.gob.ar/handle/11746/6964 |
url |
https://digital.cic.gba.gob.ar/handle/11746/6964 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-nd/4.0/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
http://creativecommons.org/licenses/by-nc-nd/4.0/ |
dc.format.none.fl_str_mv |
application/pdf |
dc.source.none.fl_str_mv |
reponame:CIC Digital (CICBA) instname:Comisión de Investigaciones Científicas de la Provincia de Buenos Aires instacron:CICBA |
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CIC Digital (CICBA) |
collection |
CIC Digital (CICBA) |
instname_str |
Comisión de Investigaciones Científicas de la Provincia de Buenos Aires |
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institution |
CICBA |
repository.name.fl_str_mv |
CIC Digital (CICBA) - Comisión de Investigaciones Científicas de la Provincia de Buenos Aires |
repository.mail.fl_str_mv |
marisa.degiusti@sedici.unlp.edu.ar |
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score |
13.070432 |