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35. | | SARTORATO, A.; RAVA, C. A. Eficiencia de fungicidas palicados pelo metodo de fungigacao no controle da mancha angular (Isariopsis griseola Sacc.) do feijoeiro comum. In: CONGRESSO PAULISTA DE FITOPATOLOGIA, 17., 1994, Araras. Resumos. Summa Phytopathologica, Campinas, v.20, n.1, p.51, 1994. Biblioteca(s): Embrapa Arroz e Feijão. |
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Registro Completo
Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
Data corrente: |
10/01/2008 |
Data da última atualização: |
29/01/2008 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Circulação/Nível: |
-- - -- |
Autoria: |
ALVES, A. A. C.; FARIAS, A. R. N.; DITA, M. A.; SILVA, A. F.; BELLOTTI, A. C.; FREGENE, M. A. |
Afiliação: |
Alfredo Augusto Cunha Alves, CNPMF; Alba Rejane Nunes Farias, CNPMF; Miguel Angel Dita, CNPMF; Alineaurea F. Silva; Anthony C. Bellotti; Martin A. Fregene. |
Título: |
Evaluation of cassava interspecific hybrids for resistance to pest and diseases in the different enviroments of Brazil. |
Ano de publicação: |
2007 |
Fonte/Imprenta: |
In: ANNUAL RESEARCH MEETING, 2007, Benoni. Poster Abstrcts...Benoni: Generation Challenge Programme - CGIAR, 2007. |
Idioma: |
Inglês |
Conteúdo: |
Cassava interspecific hybrids were evaluated for pest and disease resistance in diferent enviroments of Brazil. Experiments were established in São Miguel das Matas (SMM), Tancredo Neves (TN), Cruz das Almas (CA) in the Bahia State and in Petrolina (PT), in the Pernambuco State. SMM, TN and CA are caracterized as subhumid enviroments with differrent annual average rainfall varing from 1000 to 1800 mm and PT is representative of the semi-arid (around 560 mm). Evaluations were performed every month starting 6 months after plantation (MAP) to 12 MAP. In all the places, the most relevant pest were cassava green mite (Mononychellus tanajoa) and cassava mealy bug (Phenacoccus manihoti), respectively, with the highest incidence in PT. Diseases were increasingly severe in TN, SMM and CA. Anthracnose (Colletotrichum gloesporioides f sp. manihotis), brown spot (Cercosporidium henningsii) and rust (Uromyces manihotis), were the most severe disesases, in this order. Hybrids with high levels of resistence to both pests and diseases were notified in all the places. These hybrids are promising genotypes, not only for the introgression of resistence traits into elite cassava varieties, but also to understanding the genetic basis of resistance to pests and diseases. |
Palavras-Chave: |
Diseases; Hybrid. |
Thesaurus NAL: |
cassava. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01954naa a2200217 a 4500 001 1654557 005 2008-01-29 008 2007 bl --- 0-- u #d 100 1 $aALVES, A. A. C. 245 $aEvaluation of cassava interspecific hybrids for resistance to pest and diseases in the different enviroments of Brazil. 260 $c2007 520 $aCassava interspecific hybrids were evaluated for pest and disease resistance in diferent enviroments of Brazil. Experiments were established in São Miguel das Matas (SMM), Tancredo Neves (TN), Cruz das Almas (CA) in the Bahia State and in Petrolina (PT), in the Pernambuco State. SMM, TN and CA are caracterized as subhumid enviroments with differrent annual average rainfall varing from 1000 to 1800 mm and PT is representative of the semi-arid (around 560 mm). Evaluations were performed every month starting 6 months after plantation (MAP) to 12 MAP. In all the places, the most relevant pest were cassava green mite (Mononychellus tanajoa) and cassava mealy bug (Phenacoccus manihoti), respectively, with the highest incidence in PT. Diseases were increasingly severe in TN, SMM and CA. Anthracnose (Colletotrichum gloesporioides f sp. manihotis), brown spot (Cercosporidium henningsii) and rust (Uromyces manihotis), were the most severe disesases, in this order. Hybrids with high levels of resistence to both pests and diseases were notified in all the places. These hybrids are promising genotypes, not only for the introgression of resistence traits into elite cassava varieties, but also to understanding the genetic basis of resistance to pests and diseases. 650 $acassava 653 $aDiseases 653 $aHybrid 700 1 $aFARIAS, A. R. N. 700 1 $aDITA, M. A. 700 1 $aSILVA, A. F. 700 1 $aBELLOTTI, A. C. 700 1 $aFREGENE, M. A. 773 $tIn: ANNUAL RESEARCH MEETING, 2007, Benoni. Poster Abstrcts...Benoni: Generation Challenge Programme - CGIAR, 2007.
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