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| 13. |  | MILES, J. W.; MAASS, B. L.; VALLE, C. B. do. Reports of working groups. In: MILES, J.W.; MAASS, B.L.; VALLE, C.B. do, ed. Brachiaria: biology, agronomy and improvement. Cali: CIAT / Brasilia: EMBRAPA-CNPGC, 1996. p.272-277. (CIAT.Publication, 259). CNPGC.| Biblioteca(s): Embrapa Gado de Corte. |
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| 16. | | MILES, J. W.; MAASS, B. L.; VALLE, C. B. do; KUMBLE, V. (ed.). Brachiaria: biology, agronomy, and improvement. Cali: CIAT/Campo Grande: EMBRAPA-CNPGC, 1996. 288p. (CIAT. Publication, 259). International Workshop on the Biology, Agronomy, and Improvement of Brachiaria, held 3-7 October 1994 at the Centro Internacional de Agricultura Tropical (CIAT).| Biblioteca(s): Embrapa Agropecuária Oeste; Embrapa Cerrados. |
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| 19. | | KELEMU, S.; BADEL, J. L.; MORENO, C. X.; MILES, J. W.; CHAKRABORTY, S.; FERNANDES, C. D.; CHARCAR, M. J. D`A. Biodeversity, epidemiology and virulence of colletotrichum gloeosporioides. I.Genetic and patrhogenica diversituy in colletotrichum gloesporioides isolates from Stylosanthes guianensis. Tropical Grasslands, Brisbane, v.31, n.5, p.387-392, Nov. 1997. CNPGC.| Biblioteca(s): Embrapa Gado de Corte. |
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| 20. | | KELEMU, S.; BADEL, J. L.; MORENO, C. X.; MILES, J. W.; CHAKRABORTY, S.; FERNANDES, C. D.; CHARCHAR, M. J. D' A. Biodiversity, epidemiology and virulence of Colletotrichum gloeosporioides. I. genetic and pathogenic diversity in Colletotrichum gloeosporioides isolates from Stylosanthes guianensis. Tropical Grasslands, Queensland, v. 31, p. 387-392, 1997.| Biblioteca(s): Embrapa Cerrados. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Corte. Para informações adicionais entre em contato com cnpgc.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
10/07/1998 |
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Data da última atualização: |
10/07/1998 |
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Autoria: |
KELEMU, S.; BADEL, J. L.; MORENO, C. X.; MILES, J. W.; CHAKRABORTY, S.; FERNANDES, C. D.; CHARCAR, M. J. D`A. |
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Afiliação: |
CIAT. Tropical Forages Program (Cali, Colombia). |
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Título: |
Biodeversity, epidemiology and virulence of colletotrichum gloeosporioides. I.Genetic and patrhogenica diversituy in colletotrichum gloesporioides isolates from Stylosanthes guianensis. |
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Ano de publicação: |
1997 |
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Fonte/Imprenta: |
Tropical Grasslands, Brisbane, v.31, n.5, p.387-392, Nov. 1997. |
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Idioma: |
Inglês |
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Notas: |
CNPGC. |
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Conteúdo: |
Anthracnose, caused by Colletotrichum gloeosporioides, is the most important and widespred disease of Stylosanthes, a diverse tropical and subtropical forage legume naturally distributed in central aud South America. This paper compares the genetic and pathogenic diversity of 45 isolates, which originated from S. guianensis genotypes. Published information on the pathgenic diversity of these isolates on a set of 12 S. guianensis was used. The amount of genetic diversity was measured at molecular level by polymerase chain reaction amplifications of DNA with 9 arbitrary primers of 10 bases each using the Random Amplified Polymorphic DNA (RAPD) markers. The amplifications revealed scorable polymorphism among the isolates, and a total of 80 band positiouns were scored. Using Ward's method (N = 6) of statistical analysis, the isolates were separated into 6 clusters. Generally, isolates were clustered together by their geagraphic origin aud/or their original host genotype. Isolates from Carimagua, Colombia, a savanua ecosystem and a loug-time Stylosanthes. breeding and selection site, exhibited a relatively wider range of genetic diversity than those from a newly opened trial site in the Amazon basin of Colombia. No strict correlation existed between genetic diversity, as measured by RAPD, and differential virulence, as defined by the pathotype. lsolates of the same pathotype/RAPD grouping often originated from the same host genotype and/or geographical locality. This inforrnation will be useful in deternining future sampling strategies for the pathogen population. MenosAnthracnose, caused by Colletotrichum gloeosporioides, is the most important and widespred disease of Stylosanthes, a diverse tropical and subtropical forage legume naturally distributed in central aud South America. This paper compares the genetic and pathogenic diversity of 45 isolates, which originated from S. guianensis genotypes. Published information on the pathgenic diversity of these isolates on a set of 12 S. guianensis was used. The amount of genetic diversity was measured at molecular level by polymerase chain reaction amplifications of DNA with 9 arbitrary primers of 10 bases each using the Random Amplified Polymorphic DNA (RAPD) markers. The amplifications revealed scorable polymorphism among the isolates, and a total of 80 band positiouns were scored. Using Ward's method (N = 6) of statistical analysis, the isolates were separated into 6 clusters. Generally, isolates were clustered together by their geagraphic origin aud/or their original host genotype. Isolates from Carimagua, Colombia, a savanua ecosystem and a loug-time Stylosanthes. breeding and selection site, exhibited a relatively wider range of genetic diversity than those from a newly opened trial site in the Amazon basin of Colombia. No strict correlation existed between genetic diversity, as measured by RAPD, and differential virulence, as defined by the pathotype. lsolates of the same pathotype/RAPD grouping often originated from the same host genotype and/or geographical locality. This inforrna... Mostrar Tudo |
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Palavras-Chave: |
Anthracnosis; Brasil; Epidemiologia Antracnose; Mineirao; Pathogenecity; RAPD. |
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Thesagro: |
Colletotrichum Gloeosporioides; Estilosante; Marcador Genético; Stylosanthes Guianensis; Stylosanthes Scabra; Variação Genética. |
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Thesaurus NAL: |
Brazil; Colombia; epidemiology; genetic markers; genetic variation. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02805naa a2200409 a 4500
001 1318995
005 1998-07-10
008 1997 bl uuuu u00u1 u #d
100 1 $aKELEMU, S.
245 $aBiodeversity, epidemiology and virulence of colletotrichum gloeosporioides. I.Genetic and patrhogenica diversituy in colletotrichum gloesporioides isolates from Stylosanthes guianensis.
260 $c1997
500 $aCNPGC.
520 $aAnthracnose, caused by Colletotrichum gloeosporioides, is the most important and widespred disease of Stylosanthes, a diverse tropical and subtropical forage legume naturally distributed in central aud South America. This paper compares the genetic and pathogenic diversity of 45 isolates, which originated from S. guianensis genotypes. Published information on the pathgenic diversity of these isolates on a set of 12 S. guianensis was used. The amount of genetic diversity was measured at molecular level by polymerase chain reaction amplifications of DNA with 9 arbitrary primers of 10 bases each using the Random Amplified Polymorphic DNA (RAPD) markers. The amplifications revealed scorable polymorphism among the isolates, and a total of 80 band positiouns were scored. Using Ward's method (N = 6) of statistical analysis, the isolates were separated into 6 clusters. Generally, isolates were clustered together by their geagraphic origin aud/or their original host genotype. Isolates from Carimagua, Colombia, a savanua ecosystem and a loug-time Stylosanthes. breeding and selection site, exhibited a relatively wider range of genetic diversity than those from a newly opened trial site in the Amazon basin of Colombia. No strict correlation existed between genetic diversity, as measured by RAPD, and differential virulence, as defined by the pathotype. lsolates of the same pathotype/RAPD grouping often originated from the same host genotype and/or geographical locality. This inforrnation will be useful in deternining future sampling strategies for the pathogen population.
650 $aBrazil
650 $aColombia
650 $aepidemiology
650 $agenetic markers
650 $agenetic variation
650 $aColletotrichum Gloeosporioides
650 $aEstilosante
650 $aMarcador Genético
650 $aStylosanthes Guianensis
650 $aStylosanthes Scabra
650 $aVariação Genética
653 $aAnthracnosis
653 $aBrasil
653 $aEpidemiologia Antracnose
653 $aMineirao
653 $aPathogenecity
653 $aRAPD
700 1 $aBADEL, J. L.
700 1 $aMORENO, C. X.
700 1 $aMILES, J. W.
700 1 $aCHAKRABORTY, S.
700 1 $aFERNANDES, C. D.
700 1 $aCHARCAR, M. J. D`A.
773 $tTropical Grasslands, Brisbane$gv.31, n.5, p.387-392, Nov. 1997.
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