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| Registros recuperados : 44 | |
| 3. |  | AMARANTE, C, V. T. do; SIMIONI, A.; MEGGUER, C. A.; BLUM, L. E. B. Effect of aminoethoxyvinilglycine (AVG) on preharvest fruit drop and maturity of apples. Revista Brasileira de Fruticultura, Jaboticabal, v. 24, n. 3, p. 661-664, dez. 2002.| Biblioteca(s): Epagri-Sede. |
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| 5. | | BLUM, L.E.B.; REIS, E.F.dos; AMARANTE, C.V.T.do. Carbendazim, procloraz, propiconazol e tebuconazol para o controle do oidio da soja. Revista de Ciencias Agroveterinarias, Lages, v.1, n.1, p.46-52, 2002.| Biblioteca(s): Epagri-Sede. |
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| 8. | | STEFFENS, C. A.; AMARANTE, C. V. T. do; CHECHI, R.; SILVEIRA, J. P. G.; BRACKMANN, A. Aplicação pré-colheita de reguladores vegetais visando retardar a maturação de ameixas 'Laetitia'. Ciência Rural, Santa Maria, v.39, n.5, p.1369-1373, ago. 2009.
Boletim do Museu Paranaense Emílio Goeldi, v. 4, n. 1, p. 37-45, jan/abr., 2009| Biblioteca(s): Epagri-Sede. |
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| 12. | | BARETTA, D.; MAFRA, A.L.; SANTOS, J.C.P.; AMARANTE, C.V.T.do; BERTOL, I. Análise multivariada da fauna edáfica em diferentes sistemas de preparo e cultivo do solo. Pesquisa Agropecuária Brasileira, Brasília, v.41, n.11, p.1675-1679, nov. 2006.| Biblioteca(s): Epagri-Sede. |
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| 14. | | BLUM, L.E.B.; AMARANTE, C.V.T.do; ARIOLI, C.J.; GUIMARAES, L.S. Desfolha, populacao de plantas e precocidade do milho afetam a incidencia e a severidade de podridoes de colmo. Ciencia Rural, Santa Maria, v.33, n.5, p.805-811, set./out. 2003.| Biblioteca(s): Epagri-Sede. |
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| 16. | | AMARANTE, C. V. T. do; CHAVES, D. V.; ERNANI, P. R. Composição mineral e severidade de "bitter pit" em maçãs 'Catarina'. Revista Brasileira Fruticultura, Jaboticabal, SP, v. 28, n. 1, p. 51-54, abril, 2006.| Biblioteca(s): Epagri-Sede. |
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| 18. | | STELLA, P. F.; STEFFENS, C. A.; AMARANTE, C. V. T. do; MARTIN, M. S. de. Maturação, amadurecimento de frutos e controle de podridões de Penicillium spp. em maçãs ?Fuji? com a aplicação pré-colheita de indutores de resistência. Revista de Ciências Agroveterinárias, Lages, SC, v. 12, n. 1, p. 31-38, 2013.| Biblioteca(s): Epagri-Sede. |
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| Registros recuperados : 44 | |
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Registro Completo
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
26/10/2023 |
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Data da última atualização: |
26/10/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
WORDELL FILHO, J. A.; DUCATTI, R. D. B.; NESI, C. N. |
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Título: |
Macrospora leaf spot development conditions and resistance/tolerance of Brazilian commercially grown maize genotypes. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Acta Scientiarum, Maringá, PR, v. 46, p. 1-10, 2023. |
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Idioma: |
Inglês |
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Conteúdo: |
Macrospora leaf spot (MLS), caused by the fungus Stenocarpella macrospora, is one of the most important diseases affecting maize in Brazil. However, there are no MLS-resistant cultivars commercially available. Therefore, this study aimed to investigate the lesion expansion rate of MLS in four maize genotypes, leaf wetness duration (0-, 6-, 12-, 18-, 24-, 30-, 36-, 42-, and 54-hour post-inoculation), disease development severity in three maize genotypes, and resistance/tolerance levels to MLS in 141 maize genotypes commercially grown in Brazil. The estimates were performed using logistic models adjusted to the parameters analyzed, except for resistance/tolerance levels, which were analyzed using proposed severity and resistance scales. The experiment was carried out at the Laboratory of Plant Phytopathology of the Epagri/Cepaf, Santa Catarina State, Brazil, from 2016 to 2020. Disease resistance was significantly different among genotypes and fungal isolates. However, none of the genotypes showed resistance or high tolerance levels to MLS. Leaf wetness duration influenced maximum disease severity, and lesion expansion rate differed significantly among the genotypes tested. All information generated in this study is essential for breeding programs of maize for MLS resistance. |
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Thesagro: |
corn; leaf wetness duration; lesion expansion rate; severity; Stenocarpella macrospora. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 01942naa a2200205 a 4500
001 1133847
005 2023-10-26
008 2023 bl uuuu u00u1 u #d
100 1 $aWORDELL FILHO, J. A.
245 $aMacrospora leaf spot development conditions and resistance/tolerance of Brazilian commercially grown maize genotypes.$h[electronic resource]
260 $c2023
520 $aMacrospora leaf spot (MLS), caused by the fungus Stenocarpella macrospora, is one of the most important diseases affecting maize in Brazil. However, there are no MLS-resistant cultivars commercially available. Therefore, this study aimed to investigate the lesion expansion rate of MLS in four maize genotypes, leaf wetness duration (0-, 6-, 12-, 18-, 24-, 30-, 36-, 42-, and 54-hour post-inoculation), disease development severity in three maize genotypes, and resistance/tolerance levels to MLS in 141 maize genotypes commercially grown in Brazil. The estimates were performed using logistic models adjusted to the parameters analyzed, except for resistance/tolerance levels, which were analyzed using proposed severity and resistance scales. The experiment was carried out at the Laboratory of Plant Phytopathology of the Epagri/Cepaf, Santa Catarina State, Brazil, from 2016 to 2020. Disease resistance was significantly different among genotypes and fungal isolates. However, none of the genotypes showed resistance or high tolerance levels to MLS. Leaf wetness duration influenced maximum disease severity, and lesion expansion rate differed significantly among the genotypes tested. All information generated in this study is essential for breeding programs of maize for MLS resistance.
650 $acorn
650 $aleaf wetness duration
650 $alesion expansion rate
650 $aseverity
650 $aStenocarpella macrospora
700 1 $aDUCATTI, R. D. B.
700 1 $aNESI, C. N.
773 $tActa Scientiarum, Maringá, PR$gv. 46, p. 1-10, 2023.
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