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81. | | HIGARASHI, M. M.; NICOLOSO, R. da S.; OLIVEIRA, P. A. V. de; MATTEI, R. M. Greenhouse gases emissions from deep pit stored swine manure in Southern Brazil. In: SIMPÓSIO INTERNACIONAL SOBRE GERENCIAMENTO DE RESÍDUOS AGROPECUÁRIOS E AGROINDUSTRIAIS, 3., 2013, São Pedro, SP. Anais... São Pedro, SP: SBERA, 2013. Biblioteca(s): Embrapa Suínos e Aves. |
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Registro Completo
Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
Data corrente: |
20/09/2018 |
Data da última atualização: |
28/09/2018 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 2 |
Autoria: |
HOHENFELD, C. S.; SANTANA, M. P.; CAIRO JUNIOR, L. R.; OLIVEIRA, E. J. de; OLIVEIRA, S. A. S. de. |
Afiliação: |
CAMILA SANTIAGO HOHENFELD, UFRB; MARIANA PEREIRA SANTANA, UFRB; LUIZ RODRIGUEZ CAIRO JUNIOR, UFRB; EDER JORGE DE OLIVEIRA, CNPMF; SAULO ALVES SANTOS DE OLIVEIRA, CNPMF. |
Título: |
Modelling growth characteristics and aggressiveness of Neoscytalidium hyalinum and Fusarium solani associated with black and dry root rot diseases on cassava. |
Ano de publicação: |
2018 |
Fonte/Imprenta: |
Tropical Plant Pathology, 2018. |
ISSN: |
1983-2052 |
DOI: |
10.1007/s40858-018-0228-y |
Idioma: |
Inglês |
Conteúdo: |
In breeding for resistance, knowledge of the optimum conditions for both pathogen and disease development are essential. The aim of this study was to evaluate different conditions for mycelial growth, conidial production, and the severity of Fusarium spp. and Neoscytalidium hyalinum, which are the causal agents, respectively, of dry root rot (DRR) and black root rot (BRR) on cassava. Mycelia and conidia production were evaluated at five temperatures (10, 15, 25, 35 and 40 °C) and two culture media (PDA and SNA). The influence of temperature on the severity of the disease was also evaluated. For the DRR pathogen, the optimum temperature for mycelial growth was between 24 and 29 °C, while for sporulation it was 28 °C. For the BRR pathogen, the optimum range of temperature for mycelia growth and sporulation was between 30 and 36 °C. The PDA medium favoured mycelial growth and sporulation for both DRR and BRR pathogens. Highest BRR severity was observed at 32 to 36 °C and ranged from 25 to 32 °C for DRR. This is the first study to define optimal growth conditions for the DRR and BRR pathogens of cassava. |
Thesagro: |
Mandioca; Manihot Esculenta. |
Thesaurus NAL: |
Culture media; Temperature; Virulence. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01918naa a2200253 a 4500 001 2096097 005 2018-09-28 008 2018 bl uuuu u00u1 u #d 022 $a1983-2052 024 7 $a10.1007/s40858-018-0228-y$2DOI 100 1 $aHOHENFELD, C. S. 245 $aModelling growth characteristics and aggressiveness of Neoscytalidium hyalinum and Fusarium solani associated with black and dry root rot diseases on cassava.$h[electronic resource] 260 $c2018 520 $aIn breeding for resistance, knowledge of the optimum conditions for both pathogen and disease development are essential. The aim of this study was to evaluate different conditions for mycelial growth, conidial production, and the severity of Fusarium spp. and Neoscytalidium hyalinum, which are the causal agents, respectively, of dry root rot (DRR) and black root rot (BRR) on cassava. Mycelia and conidia production were evaluated at five temperatures (10, 15, 25, 35 and 40 °C) and two culture media (PDA and SNA). The influence of temperature on the severity of the disease was also evaluated. For the DRR pathogen, the optimum temperature for mycelial growth was between 24 and 29 °C, while for sporulation it was 28 °C. For the BRR pathogen, the optimum range of temperature for mycelia growth and sporulation was between 30 and 36 °C. The PDA medium favoured mycelial growth and sporulation for both DRR and BRR pathogens. Highest BRR severity was observed at 32 to 36 °C and ranged from 25 to 32 °C for DRR. This is the first study to define optimal growth conditions for the DRR and BRR pathogens of cassava. 650 $aCulture media 650 $aTemperature 650 $aVirulence 650 $aMandioca 650 $aManihot Esculenta 700 1 $aSANTANA, M. P. 700 1 $aCAIRO JUNIOR, L. R. 700 1 $aOLIVEIRA, E. J. de 700 1 $aOLIVEIRA, S. A. S. de 773 $tTropical Plant Pathology, 2018.
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