GENETIC CHARACTERISATION OF Metarhizium anisopliae (Metchnikoff) SOROKIN ISOLATES FROM SUGARCANE FIELDS AND THEIR PATHOGENICITY AGAINST Aeneolamia postica (Walker) (Hemiptera: Cercopidae)
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| Format: | Artículo científico |
| Language: | en |
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Universidad Juárez Autónoma de Tabasco
2012
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| _version_ | 1876477152118964224 |
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| author | A Bautista-Galvez |
| author_facet | A Bautista-Galvez |
| contents | GENETIC CHARACTERISATION OF Metarhizium anisopliae (Metchnikoff) SOROKIN ISOLATES FROM SUGARCANE FIELDS AND THEIR PATHOGENICITY AGAINST Aeneolamia postica (Walker) (Hemiptera: Cercopidae) A Bautista-Galvez JF Barrera E Payró de la Cruz S Salgado-García J Gómez-Ruiz JF Gomez-Leyva Agrociencias Sugarcane pathogenicity biological control Entomopathogenic fungi Molecular characterisation A commercial strain of Metarhizium anisopliae (Metchnikoff) Sorokin was used by farmers in 2005 to control the sugarcane froghopper Aeneolamia postica (Walker) in Los Ríos, Tabasco, Mexico. The persistence and the effect of this introduced isolate on the genetic diversity and pathogenicity of the native fungus population are unknown. The purpose of this study was to characterise the genetic diversity and pathogenicity of M. anisopliae isolates collected from sugarcane elds in the region. The Galleria baiting method was used to sample the fungus from the soil, whereas the insect netting method was used to capture adults infected by A. postica. Samples were collected from a total of 33 sugarcane elds. Ten isolates of M. anisopliae were obtained, three in 2007 and seven in 2008; seven isolates were collected near the Usumacinta river. Random amplied polymorphic DNA markers and amplied ribosomal DNA restriction analysis of the 10 isolates revealed the presence of seven subgroups. Two of the isolates obtained in 2008 were genetically similar to the commercial strain used in 2005. At least two genotypes of M. anisopliae were found in this region. No clear relationship between genotype similarity and isolate pathogenicity against A. postica was recorded. Some of the native M. anisopliae isolates are promising candidates as agents of biological control against A. postica. 2012 artículo científico 0186-2979 https://www.redalyc.org/articulo.oa?id=15425102002 en http://www.redalyc.org/revista.oa?id=154 Universidad y Ciencia application/pdf Universidad Juárez Autónoma de Tabasco Universidad y Ciencia (México) Num.3 Vol.28 |
| format | Artículo científico |
| id | redalyc_15425102002 |
| institution | Redalyc |
| language | en |
| publishDate | 2012 |
| publisher | Universidad Juárez Autónoma de Tabasco |
| spellingShingle | GENETIC CHARACTERISATION OF Metarhizium anisopliae (Metchnikoff) SOROKIN ISOLATES FROM SUGARCANE FIELDS AND THEIR PATHOGENICITY AGAINST Aeneolamia postica (Walker) (Hemiptera: Cercopidae) A Bautista-Galvez Agrociencias Sugarcane pathogenicity biological control Entomopathogenic fungi Molecular characterisation GENETIC CHARACTERISATION OF Metarhizium anisopliae (Metchnikoff) SOROKIN ISOLATES FROM SUGARCANE FIELDS AND THEIR PATHOGENICITY AGAINST Aeneolamia postica (Walker) (Hemiptera: Cercopidae) A Bautista-Galvez JF Barrera E Payró de la Cruz S Salgado-García J Gómez-Ruiz JF Gomez-Leyva Agrociencias Sugarcane pathogenicity biological control Entomopathogenic fungi Molecular characterisation A commercial strain of Metarhizium anisopliae (Metchnikoff) Sorokin was used by farmers in 2005 to control the sugarcane froghopper Aeneolamia postica (Walker) in Los Ríos, Tabasco, Mexico. The persistence and the effect of this introduced isolate on the genetic diversity and pathogenicity of the native fungus population are unknown. The purpose of this study was to characterise the genetic diversity and pathogenicity of M. anisopliae isolates collected from sugarcane elds in the region. The Galleria baiting method was used to sample the fungus from the soil, whereas the insect netting method was used to capture adults infected by A. postica. Samples were collected from a total of 33 sugarcane elds. Ten isolates of M. anisopliae were obtained, three in 2007 and seven in 2008; seven isolates were collected near the Usumacinta river. Random amplied polymorphic DNA markers and amplied ribosomal DNA restriction analysis of the 10 isolates revealed the presence of seven subgroups. Two of the isolates obtained in 2008 were genetically similar to the commercial strain used in 2005. At least two genotypes of M. anisopliae were found in this region. No clear relationship between genotype similarity and isolate pathogenicity against A. postica was recorded. Some of the native M. anisopliae isolates are promising candidates as agents of biological control against A. postica. 2012 artículo científico 0186-2979 https://www.redalyc.org/articulo.oa?id=15425102002 en http://www.redalyc.org/revista.oa?id=154 Universidad y Ciencia application/pdf Universidad Juárez Autónoma de Tabasco Universidad y Ciencia (México) Num.3 Vol.28 |
| title | GENETIC CHARACTERISATION OF Metarhizium anisopliae (Metchnikoff) SOROKIN ISOLATES FROM SUGARCANE FIELDS AND THEIR PATHOGENICITY AGAINST Aeneolamia postica (Walker) (Hemiptera: Cercopidae) |
| topic | Agrociencias Sugarcane pathogenicity biological control Entomopathogenic fungi Molecular characterisation |
| url | https://www.redalyc.org/articulo.oa?id=15425102002 |