THE ROLE OF POTENTIAL BIOCONTROL AGENTS IN THE MANAGEMENT OF PEANUT ROOT ROT IN ARGENTINA
Cultural practices such as tillage and crop rotation can be used as components of pest-management programs. The appropriate combination of tillage systems and crops may favor the development of beneficial microorganisms, preventing the spread of fungal pathogens. A long-term field study was carried...
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| Veröffentlicht in: | Journal of plant pathology 2008-03, Vol.90 (1), p.35-41 |
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| creator | Gil, S. Vargas Pedelini, R. Oddino, C. Zuza, M. Marinelli, A. March, G.J. |
| description | Cultural practices such as tillage and crop rotation can be used as components of pest-management programs. The appropriate combination of tillage systems and crops may favor the development of beneficial microorganisms, preventing the spread of fungal pathogens. A long-term field study was carried out to analyze the effect of crop management on the abundance of actinomycetes, Trichoderma spp., and Gliocladium spp., as potential biocontrol agents (PBAs), and their relationship with the incidence of peanut root rot caused by Fusarium solani. Soil samples were taken at sowing and harvest, and root rot incidence was evaluated at harvest. There was an inverse relationship between root rot incidence peanut populations under no-till suggesting a possible role of PBAs in the control of F. solani, the incidence of root rot being low under no-till and disc harrow, associated with a high concentration of potential antagonists. However, this correlation was not observed when soybean preceded peanut, when the incidence of root rot was low despite relatively lower populations of biocontrol agents present in the soil, in comparison with maize as previous crop. |
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Vargas ; Pedelini, R. ; Oddino, C. ; Zuza, M. ; Marinelli, A. ; March, G.J.</creator><creatorcontrib>Gil, S. Vargas ; Pedelini, R. ; Oddino, C. ; Zuza, M. ; Marinelli, A. ; March, G.J.</creatorcontrib><description>Cultural practices such as tillage and crop rotation can be used as components of pest-management programs. The appropriate combination of tillage systems and crops may favor the development of beneficial microorganisms, preventing the spread of fungal pathogens. A long-term field study was carried out to analyze the effect of crop management on the abundance of actinomycetes, Trichoderma spp., and Gliocladium spp., as potential biocontrol agents (PBAs), and their relationship with the incidence of peanut root rot caused by Fusarium solani. Soil samples were taken at sowing and harvest, and root rot incidence was evaluated at harvest. There was an inverse relationship between root rot incidence peanut populations under no-till suggesting a possible role of PBAs in the control of F. solani, the incidence of root rot being low under no-till and disc harrow, associated with a high concentration of potential antagonists. However, this correlation was not observed when soybean preceded peanut, when the incidence of root rot was low despite relatively lower populations of biocontrol agents present in the soil, in comparison with maize as previous crop.</description><identifier>ISSN: 1125-4653</identifier><identifier>EISSN: 2239-7264</identifier><language>eng</language><publisher>An International Journal of the Italian Phytopathological Society</publisher><subject>Actinomycetes ; Agrology ; Arachis hypogaea ; Corn ; Crop rotation ; Fusarium solani ; Gliocladium ; Organic soils ; Peanuts ; Plant roots ; Soil microorganisms ; Soil organic matter ; Tillage ; Trichoderma ; Zea mays</subject><ispartof>Journal of plant pathology, 2008-03, Vol.90 (1), p.35-41</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/41998456$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/41998456$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,776,780,799,57992,58225</link.rule.ids></links><search><creatorcontrib>Gil, S. Vargas</creatorcontrib><creatorcontrib>Pedelini, R.</creatorcontrib><creatorcontrib>Oddino, C.</creatorcontrib><creatorcontrib>Zuza, M.</creatorcontrib><creatorcontrib>Marinelli, A.</creatorcontrib><creatorcontrib>March, G.J.</creatorcontrib><title>THE ROLE OF POTENTIAL BIOCONTROL AGENTS IN THE MANAGEMENT OF PEANUT ROOT ROT IN ARGENTINA</title><title>Journal of plant pathology</title><description>Cultural practices such as tillage and crop rotation can be used as components of pest-management programs. The appropriate combination of tillage systems and crops may favor the development of beneficial microorganisms, preventing the spread of fungal pathogens. A long-term field study was carried out to analyze the effect of crop management on the abundance of actinomycetes, Trichoderma spp., and Gliocladium spp., as potential biocontrol agents (PBAs), and their relationship with the incidence of peanut root rot caused by Fusarium solani. Soil samples were taken at sowing and harvest, and root rot incidence was evaluated at harvest. There was an inverse relationship between root rot incidence peanut populations under no-till suggesting a possible role of PBAs in the control of F. solani, the incidence of root rot being low under no-till and disc harrow, associated with a high concentration of potential antagonists. However, this correlation was not observed when soybean preceded peanut, when the incidence of root rot was low despite relatively lower populations of biocontrol agents present in the soil, in comparison with maize as previous crop.</description><subject>Actinomycetes</subject><subject>Agrology</subject><subject>Arachis hypogaea</subject><subject>Corn</subject><subject>Crop rotation</subject><subject>Fusarium solani</subject><subject>Gliocladium</subject><subject>Organic soils</subject><subject>Peanuts</subject><subject>Plant roots</subject><subject>Soil microorganisms</subject><subject>Soil organic matter</subject><subject>Tillage</subject><subject>Trichoderma</subject><subject>Zea mays</subject><issn>1125-4653</issn><issn>2239-7264</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNotjEtrg0AUhYfSQm3an1CYVXfCvNXlVEwiGKekk0VX4uMKEVNTxyz676tJN-fCd79z7pDHGI_8gClxjzxKmfSFkvwRPTnXESJkQJSHvuw2wXuTJdis8YexSW5TneH31MQmt_MD683MPnGa40Xd6XwGuxldC4nOD3bumyXsIun94qe5fkYPbdk7ePm_K3RYJzbe-pnZpLHO_I6RcPJBQVWTppLAFHAWCFkpEZQlJwJoQNs2aoMmlE3dgCJNDSVruKwBKs4oi2rOV-jttnseh58LuKk4HV0NfV9-w3BxBY1CKaRYxNeb2LlpGIvzeDyV428haBSFQir-B7JRUoY</recordid><startdate>20080301</startdate><enddate>20080301</enddate><creator>Gil, S. 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Vargas</creatorcontrib><creatorcontrib>Pedelini, R.</creatorcontrib><creatorcontrib>Oddino, C.</creatorcontrib><creatorcontrib>Zuza, M.</creatorcontrib><creatorcontrib>Marinelli, A.</creatorcontrib><creatorcontrib>March, G.J.</creatorcontrib><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Journal of plant pathology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gil, S. 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A long-term field study was carried out to analyze the effect of crop management on the abundance of actinomycetes, Trichoderma spp., and Gliocladium spp., as potential biocontrol agents (PBAs), and their relationship with the incidence of peanut root rot caused by Fusarium solani. Soil samples were taken at sowing and harvest, and root rot incidence was evaluated at harvest. There was an inverse relationship between root rot incidence peanut populations under no-till suggesting a possible role of PBAs in the control of F. solani, the incidence of root rot being low under no-till and disc harrow, associated with a high concentration of potential antagonists. However, this correlation was not observed when soybean preceded peanut, when the incidence of root rot was low despite relatively lower populations of biocontrol agents present in the soil, in comparison with maize as previous crop.</abstract><pub>An International Journal of the Italian Phytopathological Society</pub><tpages>7</tpages></addata></record> |
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| ispartof | Journal of plant pathology, 2008-03, Vol.90 (1), p.35-41 |
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| language | eng |
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| source | Jstor Complete Legacy; Alma/SFX Local Collection |
| subjects | Actinomycetes Agrology Arachis hypogaea Corn Crop rotation Fusarium solani Gliocladium Organic soils Peanuts Plant roots Soil microorganisms Soil organic matter Tillage Trichoderma Zea mays |
| title | THE ROLE OF POTENTIAL BIOCONTROL AGENTS IN THE MANAGEMENT OF PEANUT ROOT ROT IN ARGENTINA |
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