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| Registros recuperados : 11 | |
| 2. |  | CAPUCHO, A. S.; ZAMBOLIM, L.; CABRAL, P. G. C.; ZAMBOLIM, E. M.; CAIXETA, E. T. Germinação e infecção de ferrugem em cafeeiro conilon sob diferentes temperaturas e molhamentos foliares. In: SIMPÓSIO DE PESQUISA DOS CAFÉS DO BRASIL, 7., 2011, Araxá. Anais... Brasília, DF: Embrapa Café, 2011.| Biblioteca(s): Embrapa Café. |
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| 3. | | HONORATO, A. C.; CABRAL, P. G. C.; ISHIKAWA, F. H.; PEREIRA, O. L.; SOUZA, F. de F.; CAPUCHO, A. S. Agressividade e crescimento micelial de Lasiodiplodia sp. em aceroleira. In: CONGRESSO BRASILEIRO DE FITOPATOLOGIA, 49., 2016, Maceió. Resumos... Maceió: SBF, 2016.| Biblioteca(s): Embrapa Semiárido. |
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| 5. | | CABRAL, P. G. C.; MACIEL-ZAMBOLIM, E.; OLIVEIRA, S. A. S. de; CAIXETA, E. T.; ZAMBOLIM, L. Genetic diversity and structure of Hemileia vastatrix populations on Coffea spp. Plant Pathology, v. 65, n. 2, p.196-204, Feb, 2016.| Biblioteca(s): Embrapa Café. |
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| 7. | | HONORATO, A. C.; COSTA, A. E. S.; CABRAL, P. G. C.; ISHIKAWA, F. H.; PEREIRA, O. L.; SOUZA, F. de F.; CAPUCHO, A. S. Métodos de inoculação de Lasiodiplodia sp. em aceroleira. In: CONGRESSO BRASILEIRO DE FITOPATOLOGIA, 49., 2016, Maceió. Resumos... Maceió: SBF, 2016.| Biblioteca(s): Embrapa Semiárido. |
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| 8. | | SILVA, A. M. G. B.; MOURA, M. A. R. de; CASTRO, J. M. da C. e; CABRAL, P. G. C.; ISHIKAWA, F. H.; CAPUCHO, A. S. Solar collector for soil disinfestation to produce Meloidogyne enterolobii free tomato seedlings in semiarid conditions. Ciência Rural, v. 52, n. 12, e20200756, 2022.| Biblioteca(s): Embrapa Semiárido. |
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| 9. | | HONORATO, A. C.; NASCIMENTO, F. A.; CABRAL, P. G. C.; ISHIKAWA, F. H.; PEREIRA, O. L.; SOUZA, F. de F.; CAPUCHO, A. S. Esporulação de Lasiodiplodia sp. sob diferentes substratos. In: CONGRESSO BRASILEIRO DE FITOPATOLOGIA, 49., 2016, Maceió. Resumos... Maceió: SBF, 2016.| Biblioteca(s): Embrapa Semiárido. |
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| 10. | | HONORATO, A. C.; COSTA, A. E. S.; CABRAL, P. G. C.; ISHIKAWA, F. H.; PEREIRA, O. L.; SOUZA, F. de F.; CAPUCHO, A. S. Resistência de cultivares de acerola da EMBRAPA a Lasiodiplodia. In: CONGRESSO BRASILEIRO DE FITOPATOLOGIA, 49., 2016, Maceió. Resumos... Maceió: SBF, 2016.| Biblioteca(s): Embrapa Semiárido. |
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| 11. | | CAPUCHO, A. S.; CABRAL, P. G. C.; HONORATO, A. da C.; ISHIKAWA, F. H.; SOUZA, F. de F.; SILVA, L. A. B. da; COELHO, G. R.; COELHO, S. B. Avanços e desafios no manejo da morte descendente da aceroleira. In: QUEIROZ, M. A. A.; MELO, J. F. B.; CAVALCANTE, I. G. L. (Org.). Avanços e desafios da pesquisa em ciências agrárias e veterinárias no Semiárido brasileiro. Petrolina: UNIVASF, 2019. cap. 1, p. 10-20.| Biblioteca(s): Embrapa Semiárido. |
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| Registros recuperados : 11 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Café. |
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Data corrente: |
18/03/2016 |
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Data da última atualização: |
18/03/2016 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
CABRAL, P. G. C.; MACIEL-ZAMBOLIM, E.; OLIVEIRA, S. A. S. de; CAIXETA, E. T.; ZAMBOLIM, L. |
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Afiliação: |
P. G. C. CABRAL, UFV; E. MACIEL-ZAMBOLIM, UFV; SAULO ALVES SANTOS DE OLIVEIRA, CNPMF; EVELINE TEIXEIRA CAIXETA, SAPC; L. ZAMBOLIM, UFV. |
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Título: |
Genetic diversity and structure of Hemileia vastatrix populations on Coffea spp. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Plant Pathology, v. 65, n. 2, p.196-204, Feb, 2016. |
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DOI: |
10.1111/ppa.12411 |
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Idioma: |
Inglês |
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Conteúdo: |
Coffee leaf rust is the most limiting disease for coffee cultivation in Brazil. Despite its importance, relatively little is known about the genetic diversity of Hemileia vastatrix, the rust causal agent. In this work, the DNA from 112 monopustule isolates from different geographic locations and coffee genotypes were analysed by amplified fragment length polymorphisms (AFLP). The objectives were to assess the influence of the host and geographic origin on the diversity and population differentiation in H. vastatrix. The fungal population showed a low level of genotypic diversity. Gene diversity (h) was 0027 and the hypothesis of random mating in the total population was rejected, but evidence for recombination was found for two subpopulations (São Paulo and Parana). The analysis of molecular variance revealed that 90% of the genetic distribution of the pathogen occurs among isolates within the subpopulation (states or host of origin). There was no correlation between geographic and genetic distance (r = 0024, P = 074), which together with the high number of migrants and the low degree of differentiation in populations of H. vastatrix, is consistent with the fact that the inoculum is probably easily dispersed by wind over long distances, allowing dispersal of the pathogen among coffee growing areas in Brazil. Therefore, it is difficult to predict the durability of resistant sources to coffee rust. The recommendation for the breeding programmes is thus to incorporate multigenic resistance as a control strategy. MenosCoffee leaf rust is the most limiting disease for coffee cultivation in Brazil. Despite its importance, relatively little is known about the genetic diversity of Hemileia vastatrix, the rust causal agent. In this work, the DNA from 112 monopustule isolates from different geographic locations and coffee genotypes were analysed by amplified fragment length polymorphisms (AFLP). The objectives were to assess the influence of the host and geographic origin on the diversity and population differentiation in H. vastatrix. The fungal population showed a low level of genotypic diversity. Gene diversity (h) was 0027 and the hypothesis of random mating in the total population was rejected, but evidence for recombination was found for two subpopulations (São Paulo and Parana). The analysis of molecular variance revealed that 90% of the genetic distribution of the pathogen occurs among isolates within the subpopulation (states or host of origin). There was no correlation between geographic and genetic distance (r = 0024, P = 074), which together with the high number of migrants and the low degree of differentiation in populations of H. vastatrix, is consistent with the fact that the inoculum is probably easily dispersed by wind over long distances, allowing dispersal of the pathogen among coffee growing areas in Brazil. Therefore, it is difficult to predict the durability of resistant sources to coffee rust. The recommendation for the breeding programmes is thus to incorporate multigeni... Mostrar Tudo |
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Thesagro: |
Café; Variação genética. |
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Thesaurus NAL: |
Coffea. |
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Categoria do assunto: |
G Melhoramento Genético |
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URL: |
https://www.alice.cnptia.embrapa.br/alice/bitstream/doc/1041410/1/Geneticdiversity.pdf
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Marc: |
LEADER 02171naa a2200217 a 4500
001 2041410
005 2016-03-18
008 2016 bl uuuu u00u1 u #d
024 7 $a10.1111/ppa.12411$2DOI
100 1 $aCABRAL, P. G. C.
245 $aGenetic diversity and structure of Hemileia vastatrix populations on Coffea spp.$h[electronic resource]
260 $c2016
520 $aCoffee leaf rust is the most limiting disease for coffee cultivation in Brazil. Despite its importance, relatively little is known about the genetic diversity of Hemileia vastatrix, the rust causal agent. In this work, the DNA from 112 monopustule isolates from different geographic locations and coffee genotypes were analysed by amplified fragment length polymorphisms (AFLP). The objectives were to assess the influence of the host and geographic origin on the diversity and population differentiation in H. vastatrix. The fungal population showed a low level of genotypic diversity. Gene diversity (h) was 0027 and the hypothesis of random mating in the total population was rejected, but evidence for recombination was found for two subpopulations (São Paulo and Parana). The analysis of molecular variance revealed that 90% of the genetic distribution of the pathogen occurs among isolates within the subpopulation (states or host of origin). There was no correlation between geographic and genetic distance (r = 0024, P = 074), which together with the high number of migrants and the low degree of differentiation in populations of H. vastatrix, is consistent with the fact that the inoculum is probably easily dispersed by wind over long distances, allowing dispersal of the pathogen among coffee growing areas in Brazil. Therefore, it is difficult to predict the durability of resistant sources to coffee rust. The recommendation for the breeding programmes is thus to incorporate multigenic resistance as a control strategy.
650 $aCoffea
650 $aCafé
650 $aVariação genética
700 1 $aMACIEL-ZAMBOLIM, E.
700 1 $aOLIVEIRA, S. A. S. de
700 1 $aCAIXETA, E. T.
700 1 $aZAMBOLIM, L.
773 $tPlant Pathology$gv. 65, n. 2, p.196-204, Feb, 2016.
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