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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
22/01/2014 |
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Data da última atualização: |
17/05/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
COSTA, R. V. da; COTA, L. V.; SILVA, D. D. da; PARREIRA, D. F.; CASELA, C. R.; LANDAU, E. C.; FIGUEIREDO, J. E. F. |
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Afiliação: |
RODRIGO VERAS DA COSTA, CNPMS; LUCIANO VIANA COTA, CNPMS; DAGMA DIONISIA DA SILVA, CNPMS; ELENA CHARLOTTE LANDAU, CNPMS; JOSE EDSON FONTES FIGUEIREDO, CNPMS. |
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Título: |
Races of Colletotrichum graminicola pathogenic to maize in Brazil. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Crop Protection, Guildford, v. 56, p. 44-49, 2014. |
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DOI: |
10.1016/j.cropro.2013.10.005 |
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Idioma: |
Inglês |
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Conteúdo: |
Anthracnose caused by the fungus Colletotrichum graminicola (Ces.) Wilson is the most important disease of maize in Brazil, especially in no-tillage without crop rotation. In this system, maize debris from earlier plantings increases the fungal inoculum potential over time. The use of genetic resistance is the most appropriate and advantageous strategy for anthracnose control. However, the effectiveness and durability of this practice depends on knowledge concerning the genetic variability of C. graminicola. In this study fifteen maize genotypes were tested against 190 single spore of C. graminicola collected from infected leaves of maize plants cultivated in seven different Brazilian ecogeographic areas. Five races of C. graminicola were identified, and eleven maize genotypes were susceptible to all isolates. Results indicated that both the number of pathogen isolates and the number of genotypes to be tested are pivotal for an accurate identification of C. graminicola races. This is the first study showing the occurrence of C. graminicola races in Brazil. |
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Thesagro: |
Antracnose; Doença de planta. |
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Thesaurus Nal: |
Anthracnose; Plant diseases and disorders. |
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Categoria do assunto: |
-- |
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Marc: |
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001 1977111
005 2017-05-17
008 2014 bl uuuu u00u1 u #d
024 7 $a10.1016/j.cropro.2013.10.005$2DOI
100 1 $aCOSTA, R. V. da
245 $aRaces of Colletotrichum graminicola pathogenic to maize in Brazil.$h[electronic resource]
260 $c2014
520 $aAnthracnose caused by the fungus Colletotrichum graminicola (Ces.) Wilson is the most important disease of maize in Brazil, especially in no-tillage without crop rotation. In this system, maize debris from earlier plantings increases the fungal inoculum potential over time. The use of genetic resistance is the most appropriate and advantageous strategy for anthracnose control. However, the effectiveness and durability of this practice depends on knowledge concerning the genetic variability of C. graminicola. In this study fifteen maize genotypes were tested against 190 single spore of C. graminicola collected from infected leaves of maize plants cultivated in seven different Brazilian ecogeographic areas. Five races of C. graminicola were identified, and eleven maize genotypes were susceptible to all isolates. Results indicated that both the number of pathogen isolates and the number of genotypes to be tested are pivotal for an accurate identification of C. graminicola races. This is the first study showing the occurrence of C. graminicola races in Brazil.
650 $aAnthracnose
650 $aPlant diseases and disorders
650 $aAntracnose
650 $aDoença de planta
700 1 $aCOTA, L. V.
700 1 $aSILVA, D. D. da
700 1 $aPARREIRA, D. F.
700 1 $aCASELA, C. R.
700 1 $aLANDAU, E. C.
700 1 $aFIGUEIREDO, J. E. F.
773 $tCrop Protection, Guildford$gv. 56, p. 44-49, 2014.
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