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 | Acesso ao texto completo restrito à biblioteca da Embrapa Arroz e Feijão. Para informações adicionais entre em contato com cnpaf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
18/05/2000 |
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Data da última atualização: |
07/10/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
GUIMARÃES, E. P.; AMÉZQUITA, M. C.; LEMA, G.; CORREA-VICTORIA, F. |
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Afiliação: |
ELCIO PERPETUO GUIMARAES, CNPAF. |
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Título: |
Determination of minimum number of growing seasons for assessment of disease resistance stability in rice. |
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Ano de publicação: |
1998 |
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Fonte/Imprenta: |
Crop Science, v. 38, n. 1, p. 67-71, Jan./Fev. 1998. |
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ISSN: |
0011-183X |
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DOI: |
10.2135/cropsci1998.0011183x003800010012x |
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Idioma: |
Inglês |
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Conteúdo: |
The literature reports that evaluations over a number of growing seasons are required to identify stable disease resistance in rice (Oryza sativa L.). CIAT's Rice Breeding Program alms to develop lines with stable resistance; therefore, the knowledge of how long a germplasm should be assessed before being used in crosses is important. For this research, 69 commercial cultivars grown in Latin America and the Caribbean were evaluated during 11 growing seasons in a ?hot spot? site for the four most important diseases of rice: leaf and panicle blast (caused by Pyricularia grisea Sacc.), leaf scald [caused by Microdochium oryzae (Hashioka & Yokogi) Samuels & I.C. Hallett syn. Gerlachla oryzae (Hashioka & Yokogi) W. Gams syn. Rhynchosporium oryzae (Hashioka & Yokogi)], and grain discoloration (caused by species of Sarodadium, Bipolaris, Alternaria, Gerlachia, Fusarium, Phoma, Curvularia, Trichoconiella, and Pseudomonas). Cultivar mean disease severity (M), its response to increase in disease pressure (b), and the standard deviations from the regression (Sb) were calculated. Eleven evaluation seasons were considered as the most reliable period, in which an ideal set of 13 cultivars was identified based on their disease resistance stability (M, b, and Sb values). To identify the minimum number of seasons required to assess stability of resistance, simulations were made with these 13 cultivars and the 11 seasons and the coincidence in selection and the number of misclassified entries were calculated. The M and b correlation values and the number of misclassified entries suggested that seven consecutive growing seasons (two per 12-mo. period) are necessary t MenosThe literature reports that evaluations over a number of growing seasons are required to identify stable disease resistance in rice (Oryza sativa L.). CIAT's Rice Breeding Program alms to develop lines with stable resistance; therefore, the knowledge of how long a germplasm should be assessed before being used in crosses is important. For this research, 69 commercial cultivars grown in Latin America and the Caribbean were evaluated during 11 growing seasons in a ?hot spot? site for the four most important diseases of rice: leaf and panicle blast (caused by Pyricularia grisea Sacc.), leaf scald [caused by Microdochium oryzae (Hashioka & Yokogi) Samuels & I.C. Hallett syn. Gerlachla oryzae (Hashioka & Yokogi) W. Gams syn. Rhynchosporium oryzae (Hashioka & Yokogi)], and grain discoloration (caused by species of Sarodadium, Bipolaris, Alternaria, Gerlachia, Fusarium, Phoma, Curvularia, Trichoconiella, and Pseudomonas). Cultivar mean disease severity (M), its response to increase in disease pressure (b), and the standard deviations from the regression (Sb) were calculated. Eleven evaluation seasons were considered as the most reliable period, in which an ideal set of 13 cultivars was identified based on their disease resistance stability (M, b, and Sb values). To identify the minimum number of seasons required to assess stability of resistance, simulations were made with these 13 cultivars and the 11 seasons and the coincidence in selection and the number of misclassified entries... Mostrar Tudo |
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Thesagro: |
Arroz; Doença; Oryza Sativa; Resistência. |
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Thesaurus Nal: |
Disease resistance; Rice. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
null
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Registro original: |
Embrapa Arroz e Feijão (CNPAF) |
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| Registros recuperados : 10 | |
| 2. |  | AZEVEDO, L. F. de; SPANEVELLO, R. M.; ANDREATTA, T.; MATTE, A.; BORBA, M. F. S. A questão sucessória no Território do Alto Camaquã (RS): um estudo com pecuaristas familiares. In: CONGRESSO DA SOCIEDADE BRASILEIRA DE ECONOMIA, ADMINISTRAÇÃO E SOCIOLOGIA RURAL, 49., 2001, Belo Horizonte. Demografia e meio rural: população, políticas públicas e desenvolvimento. Belo Horizonte: Sociedade Brasileira de Economia, Administração e Sociologia Rural, 2011. 1 CD-ROM.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Pecuária Sul. |
|    |
| 4. | | AZEVEDO, L. F. de; SPANEVELLO, R. M.; BORBA, M. F. S.; ANDREATTA, T.; RIBEIRO, C. M.; MATTE, A. Pecuaristas familiares: percepções da ocupação e da atividade desenvolvida. In: JORNADA ACADÊMICA INTEGRADA, 25., 2010, Santa Maria. Anais... Santa Maria: UFSM, 2010. JAI.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Pecuária Sul. |
|  |
| 5. | | SPOHR, L.; SOARES, M. S. P.; BONA, N. P.; PEDRA, N. S.; BARSCHAK, A. G.; ALVARIZ, R. M.; VIZZOTTO, M.; LENCINA, C. L.; STEFANELLO, F. M.; SPANEVELLO, R. M. Efect of blueberry extract on energetic metabolism, levels of brain-derived neurotrophic factor, and Ca2+-ATPase activity in the hippocampus and cerebral cortex of rats submitted to ketamine-induced mania-like behavior. Metabolic Brain Disease, v. 37, n. 3, p. 835-847, Mar. 2022.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 6. | | OLIVEIRA, P. S.; SOARES, M. S. P.; BONA, N. P.; SILVA, P. G. DA; MENDONÇA, L. T.; VIEIRA, A.; DAL-PIZZOL, F.; VIZZOTTO, M.; LENCINA, C. L.; SPANEVELLO, R. M.; STEFANELLO, F. M. Brazilian native fruit extracts act as preventive agents modulating the purinergic and cholinergic signalling in blood cells and serum in a rat model of metabolic syndrome. Archives of Physiology and Biochemistry, 2020. 8 p.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 2 |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 7. | | MELLO, J. E. DE; LUDUVICO, K. P.; SANTOS, A. DOS; TEIXEIRA, F. C.; CARDOSO, J. DE S.; AGUIAR, M. S. S. DE; CUNICO, W.; VIZZOTTO, M.; STEFANELLO, F.; SPANEVELLO, R. Therapeutic potential of blackberry extract in the preventing memory defcits and neurochemical alterations in the cerebral cortex, hippocampus and cerebellum of a rat model with amnesia. Metabolic Brain Disease, v. 38, p. 1261–1272, 2023.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 3 |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 8. | | CARDOSO, J. de S.; OLIVEIRA, P. S.; BONA, N. P.; VASCONCELLOS, F. A.; BALDISSARELLI, J.; VIZZOTTO, M.; SOARES, M. S. P.; RAMOS, V. P.; SPANEVELLO, R. M.; LENCINA, C. L.; TAVARES, R. G.; STEFANELLO, F. M. Antioxidant, antihyperglycemic, and antidyslipidemic effects of Brazilian-native fruit extrate in an animal model of insulin resistance. Redox report, 2017. 7 p.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 9. | | OLIVEIRA, P. S.; CHAVES, V. C.; SOARES, M. S. P.; BONA, N. P.; MENDONÇA, L. T.; CARVALHO, F. B.; GUTIERRES, J. M.; VASCONCELLOS, F. A.; VIZZOTTO, M.; VIEIRA, A.; SPANEVELLO, R. M.; REGINATTO, F. H.; LENCINA, C. L.; STEFANELLO, F. M. Southern Brazilian native fruit shows neurochemical, metabolic and behavioral benefits in an animal model of metabolic syndrome. Metabolic Brain Disease, v. 33, n. 132, p. Publicado em: < https://link.springer.com/content/pdf/10.1007%2Fs11011-018-0262-y.pdf > Acesso em 28 08 2018.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 10. | | PEDRA, N. S.; GALDINO, K. C. A.; SILVA, D. S.; RAMOS, P. T.; BONA, N. P.; SOARES, M. S. P.; AZAMBUJA, J. H.; CANUTO, K. M.; BRITO, E. S. de; RIBEIRO, P. R. V.; SOUZA, A. S. de Q.; CUNICO, W.; STEFANELLO, F. M.; SPANEVELLO, R. M.; BRAGANHOL, E. Endophytic Fungus Isolated From Achyrocline satureioides Exhibits Selective Antiglioma Activity - The Role of Sch-642305. Frontiers in Oncology, v. 8, art. 476, 2018.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Agroindústria Tropical. |
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| Registros recuperados : 10 | |
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