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Registro Completo |
Biblioteca(s): |
Embrapa Recursos Genéticos e Biotecnologia. |
Data corrente: |
01/12/1999 |
Data da última atualização: |
04/11/2014 |
Autoria: |
HUTCHINSON, J. |
Título: |
The families of flowering plants dicotyledons arranged according to a new system based on their probable. |
Edição: |
2.ed. |
Ano de publicação: |
1959 |
Fonte/Imprenta: |
Oxford: Claredon Press, 1959. |
Volume: |
2v. |
Idioma: |
Inglês |
Thesagro: |
Botânica; Taxonomia. |
Thesaurus Nal: |
botany; taxonomy. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00482nam a2200181 a 4500 001 1177431 005 2014-11-04 008 1959 bl uuuu 00u1 u #d 100 1 $aHUTCHINSON, J. 245 $aThe families of flowering plants dicotyledons arranged according to a new system based on their probable. 250 $a2.ed. 260 $aOxford: Claredon Press$c1959 300 $a2v. 490 $v2v. 650 $abotany 650 $ataxonomy 650 $aBotânica 650 $aTaxonomia
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Embrapa Recursos Genéticos e Biotecnologia (CENARGEN) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Mandioca e Fruticultura. Para informações adicionais entre em contato com cnpmf.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
Data corrente: |
02/12/2021 |
Data da última atualização: |
02/12/2021 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 1 |
Autoria: |
TEIXEIRA, J. H. dos S.; GUIMARÃES, M. A. S.; CARDOSO, S. C.; BRITO, A. dos S.; PEIXOUTO, Y. S.; RIBEIRO, S. O.; OLIVEIRA, E. J. de; OLIVEIRA, S. A. S. de. |
Afiliação: |
JESSICA HELLEN DOS SANTOS TEIXEIRA, IF Baiano; MACELLE AMANDA SILVA GUIMARÃES, IF Baiano; SUANE COUTINHO CARDOSO, IF Baiano; ALEXSANDRO DOS SANTOS BRITO, IF Baiano; YSLAI SANTOS PEIXOUTO, IF Baiano; SABRINE OLIVEIRA RIBEIRO, IF Baiano; EDER JORGE DE OLIVEIRA, CNPMF; SAULO ALVES SANTOS DE OLIVEIRA, CNPMF. |
Título: |
Distribution of resistance of cassava genotypes to dry, soft and black root diseases and correlation to yield parameters. |
Ano de publicação: |
2021 |
Fonte/Imprenta: |
Journal of Phytopathology, 1-10, 2021. |
ISSN: |
1439-0434 |
Idioma: |
Inglês |
Conteúdo: |
Root rot is one of the most limiting diseases of cassava production in the Northeast Region of Brazil, causing root- yield loss from 30% to 100%. This study aimed to eval- uate the resistance of 76 cassava genotypes to dry (Fusarium spp.), soft (Phytophthora melonis) and black (species of the Botryosphaeriaceae family) root rot diseases. The roots were inoculated separately with isolates belonging to each of three disease group (dry, black and soft), by using the whole tuberous root inoculation method. The lesioned areas on the tuberous roots were measured by digital image analysis. Based on cluster analysis, four groups were found associated with the resistance to root rot diseases. About 10% of the genotypes were classified as resistant to dry and soft root rot, and 2% were classified as resistant to black root rot. Moreover, only 2% of the genotypes showed multiple resistance to these disease groups. Significant correlations were found between root peel and pulp infections by the same fungus, and between the root peel infections caused by P. melonis and Fusarium spp. These findings will be essential in the generation of plants with resistance to multiple root rot pathogens and will guide the cassava breeding programme to obtain superior varieties |
Thesagro: |
Mandioca. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01972naa a2200229 a 4500 001 2137013 005 2021-12-02 008 2021 bl uuuu u00u1 u #d 022 $a1439-0434 100 1 $aTEIXEIRA, J. H. dos S. 245 $aDistribution of resistance of cassava genotypes to dry, soft and black root diseases and correlation to yield parameters.$h[electronic resource] 260 $c2021 520 $aRoot rot is one of the most limiting diseases of cassava production in the Northeast Region of Brazil, causing root- yield loss from 30% to 100%. This study aimed to eval- uate the resistance of 76 cassava genotypes to dry (Fusarium spp.), soft (Phytophthora melonis) and black (species of the Botryosphaeriaceae family) root rot diseases. The roots were inoculated separately with isolates belonging to each of three disease group (dry, black and soft), by using the whole tuberous root inoculation method. The lesioned areas on the tuberous roots were measured by digital image analysis. Based on cluster analysis, four groups were found associated with the resistance to root rot diseases. About 10% of the genotypes were classified as resistant to dry and soft root rot, and 2% were classified as resistant to black root rot. Moreover, only 2% of the genotypes showed multiple resistance to these disease groups. Significant correlations were found between root peel and pulp infections by the same fungus, and between the root peel infections caused by P. melonis and Fusarium spp. These findings will be essential in the generation of plants with resistance to multiple root rot pathogens and will guide the cassava breeding programme to obtain superior varieties 650 $aMandioca 700 1 $aGUIMARÃES, M. A. S. 700 1 $aCARDOSO, S. C. 700 1 $aBRITO, A. dos S. 700 1 $aPEIXOUTO, Y. S. 700 1 $aRIBEIRO, S. O. 700 1 $aOLIVEIRA, E. J. de 700 1 $aOLIVEIRA, S. A. S. de 773 $tJournal of Phytopathology, 1-10, 2021.
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