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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados; Embrapa Soja. |
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Data corrente: |
22/01/2009 |
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Data da última atualização: |
22/01/2009 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CARGNIN, A.; SOUZA, M. A. de; FRONZA, V. |
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Afiliação: |
Adeliano Cargnin, CPAC; Moacil Alves de Souza, UFV; Vanoli Fronza, CNPSO. |
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Título: |
Progress in breeding of irrigated wheat for the Cerrado region of Brazil. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
Crop Breeding and Applied Biotechnology, v. 8, p. 39-46, 2008. |
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Idioma: |
Inglês |
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Conteúdo: |
This study aimed to quantify the progress obtained by breeding programs of irrigated wheat in the state of Minas Gerais, Brazil, from 1976 to 2005. The efficiency of the programs was evaluated based on yield data obtained in Value for Cultivation and Use (VCU) trials. The genetic and environmental progress was estimated by the methodology of Vencovsky et al. The mean annual progress rate from 1976 to 2005 in mean yield was estimated to be 48 kg ha-1 yr-1 (1.84% per year). Environmental and technological improvements were important for the increased yield during the study period, accounting for 32.8% of the total gain. Over the years, 33% of the genotypes used in the improvement programs of irrigated wheat were replaced. |
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Thesagro: |
Genótipo; Melhoramento Genético Vegetal; Trigo. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/50287/1/28786.pdf
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Marc: |
LEADER 01263naa a2200181 a 4500
001 1570636
005 2009-01-22
008 2008 bl uuuu u00u1 u #d
100 1 $aCARGNIN, A.
245 $aProgress in breeding of irrigated wheat for the Cerrado region of Brazil.$h[electronic resource]
260 $c2008
520 $aThis study aimed to quantify the progress obtained by breeding programs of irrigated wheat in the state of Minas Gerais, Brazil, from 1976 to 2005. The efficiency of the programs was evaluated based on yield data obtained in Value for Cultivation and Use (VCU) trials. The genetic and environmental progress was estimated by the methodology of Vencovsky et al. The mean annual progress rate from 1976 to 2005 in mean yield was estimated to be 48 kg ha-1 yr-1 (1.84% per year). Environmental and technological improvements were important for the increased yield during the study period, accounting for 32.8% of the total gain. Over the years, 33% of the genotypes used in the improvement programs of irrigated wheat were replaced.
650 $aGenótipo
650 $aMelhoramento Genético Vegetal
650 $aTrigo
700 1 $aSOUZA, M. A. de
700 1 $aFRONZA, V.
773 $tCrop Breeding and Applied Biotechnology$gv. 8, p. 39-46, 2008.
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Embrapa Cerrados (CPAC) |
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