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| 4. |  | MAIA, A. H. N.; MEINKE, H.; LENNOX, S.; STONE, R. Inferential, nonparametric statistics to assess the quality of probabilistic forecast systems. Monthly Weather Review, Boston, v. 135, n. 2, p. 351-362, 2007.| Biblioteca(s): Embrapa Meio Ambiente. |
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| 7. | | DONALD, L.; MEINKE, H.; POWER, B.; WHEELER, M.; MAIA, A. de H. N.; WHITE, N.; STONE, R.; RIBBE, J. Intra-seasonal climate prediction: linking weather and climate forecasts. In: INTERNATIONAL CONFERENCE ON SOUTHERN HEMISPHERE METEOROLOGY AND OCEANOGRAPHY, 8., 2006, Foz do Iguaçu,PR. [Anais?]. Foz do Iguaçu,PR: ICSHMO, 2006. p. 553-555.| Biblioteca(s): Embrapa Meio Ambiente. |
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Registro Completo
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Biblioteca(s): |
Embrapa Trigo; Embrapa Unidades Centrais. |
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Data corrente: |
04/08/2016 |
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Data da última atualização: |
04/08/2016 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
COELHO, M. A. de O.; TORRES, G. A. M.; CECON, P. R.; SANTANA, F. M. |
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Afiliação: |
MAURÍCIO ANTÔNIO DE OLIVEIRA COELHO, EPAMIG; GISELE ABIGAIL MONTAN TORRES, CNPT; PAULO ROBERTO CECON, UFV; FLAVIO MARTINS SANTANA, CNPT. |
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Título: |
Sowing date reduces the incidence of wheat blast disease. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 51, n. 5, p. 631-637, maio 2016. |
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ISSN: |
1678-3921 |
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DOI: |
10.1590/S0100-204X2016000500025 |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this work was to assess the effect of sowing date on the intensity of wheat blast disease, as well as the yield losses caused by this disease in different wheat (Triticum aestivum) genotypes. The experiments were conducted in 2013 at the Sertãozinho experimental station of Empresa de Pesquisa Agropecuária de Minas Gerais (Epamig), in the municipality of Patos de Minas, in the state of Minas Gerais, Brazil. Fourteen wheat genotypes and two sowing dates were evaluated. The experimental design was a randomized complete block with three replicates. The evaluated variables were: incidence, severity, thousand grain weight (TGW), grain yield, and yield losses. A disease index (DI) was calculated, based both on the incidence and the severity of the disease, to measure blast intensity in wheat. The sowing date significantly affected DI, TGW, and grain yield. Significant linear correlations were observed between DI and yield losses (0.89), between losses and TGW (?0.85), and between losses and grain yield (?0.93). For wheat blast, DIs greater than or equal to 0.5 indicate potential yield losses equal to or greater than 70%. The EP063030 line and the MGS Brilhante and BRS 264 cultivars are the most tolerant to blast, when exposed to high disease pressure. |
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Palavras-Chave: |
Disease; Índice da doença; Severidade; Tolerância. |
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Thesagro: |
Brusone; Doença; Pyricularia Oryzae; Trigo; Triticum Aestivum. |
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Thesaurus NAL: |
Magnaporthe oryzae; Stress tolerance; wheat. |
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Categoria do assunto: |
--
H Saúde e Patologia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/146071/1/ID43727-2016PABv51n5p631.pdf
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/146135/1/Sowing-date-reduces.pdf
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Marc: |
LEADER 02170naa a2200325 a 4500
001 2050199
005 2016-08-04
008 2016 bl uuuu u00u1 u #d
022 $a1678-3921
024 7 $a10.1590/S0100-204X2016000500025$2DOI
100 1 $aCOELHO, M. A. de O.
245 $aSowing date reduces the incidence of wheat blast disease.
260 $c2016
520 $aThe objective of this work was to assess the effect of sowing date on the intensity of wheat blast disease, as well as the yield losses caused by this disease in different wheat (Triticum aestivum) genotypes. The experiments were conducted in 2013 at the Sertãozinho experimental station of Empresa de Pesquisa Agropecuária de Minas Gerais (Epamig), in the municipality of Patos de Minas, in the state of Minas Gerais, Brazil. Fourteen wheat genotypes and two sowing dates were evaluated. The experimental design was a randomized complete block with three replicates. The evaluated variables were: incidence, severity, thousand grain weight (TGW), grain yield, and yield losses. A disease index (DI) was calculated, based both on the incidence and the severity of the disease, to measure blast intensity in wheat. The sowing date significantly affected DI, TGW, and grain yield. Significant linear correlations were observed between DI and yield losses (0.89), between losses and TGW (?0.85), and between losses and grain yield (?0.93). For wheat blast, DIs greater than or equal to 0.5 indicate potential yield losses equal to or greater than 70%. The EP063030 line and the MGS Brilhante and BRS 264 cultivars are the most tolerant to blast, when exposed to high disease pressure.
650 $aMagnaporthe oryzae
650 $aStress tolerance
650 $awheat
650 $aBrusone
650 $aDoença
650 $aPyricularia Oryzae
650 $aTrigo
650 $aTriticum Aestivum
653 $aDisease
653 $aÍndice da doença
653 $aSeveridade
653 $aTolerância
700 1 $aTORRES, G. A. M.
700 1 $aCECON, P. R.
700 1 $aSANTANA, F. M.
773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 51, n. 5, p. 631-637, maio 2016.
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Embrapa Trigo (CNPT) |
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