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Registro Completo |
Biblioteca(s): |
Embrapa Amazônia Oriental. |
Data corrente: |
01/06/2020 |
Data da última atualização: |
23/07/2020 |
Tipo da produção científica: |
Autoria/Organização/Edição de Livros |
Autoria: |
PORRO, R.; NASCIMENTO, A. S.; MATOS, F. F. de; SOUSA, R. C. de. |
Afiliação: |
ROBERTO PORRO, CPATU; Aline Souza Nascimento, MESTRANDA UFPA; Francinaldo Ferreira de Matos, Movimento Interestadual das Quebradeiras de Coco-Babaçu; Ronaldo Carneiro de Sousa, Associação em Áreas de Assentamento no Estado do Maranhão. |
Título: |
A diversidade da criação animal da família Monteiro: Povoado Canafístula, Esperantinópolis, MA. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
Brasília, DF: Embrapa, 2020. |
Páginas: |
54 p. |
Série: |
(Mestres do agroextrativismo no Mearim, v. 18). |
ISBN: |
978-65-86056-79-2 |
Idioma: |
Português |
Palavras-Chave: |
Boas práticas; Extrativismo sustentável; Médio Mearim. |
Thesagro: |
Agricultura Familiar; Manejo. |
Categoria do assunto: |
B Sociologia Rural |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/214791/1/Mearim-Vol-18.pdf
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Marc: |
LEADER 00714nam a2200229 a 4500 001 2122826 005 2020-07-23 008 2020 bl uuuu 00u1 u #d 020 $a978-65-86056-79-2 100 1 $aPORRO, R. 245 $aA diversidade da criação animal da família Monteiro$bPovoado Canafístula, Esperantinópolis, MA.$h[electronic resource] 260 $aBrasília, DF: Embrapa$c2020 300 $a54 p. 490 $a(Mestres do agroextrativismo no Mearim, v. 18). 650 $aAgricultura Familiar 650 $aManejo 653 $aBoas práticas 653 $aExtrativismo sustentável 653 $aMédio Mearim 700 1 $aNASCIMENTO, A. S. 700 1 $aMATOS, F. F. de 700 1 $aSOUSA, R. C. de
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Registro original: |
Embrapa Amazônia Oriental (CPATU) |
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Registro Completo
Biblioteca(s): |
Embrapa Arroz e Feijão. |
Data corrente: |
05/09/2002 |
Data da última atualização: |
04/04/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
SANTOS, V. da S.; RAMALHO, M. A. P.; CARNEIRO, J. E. de S.; ABREU, A. de F. B. |
Afiliação: |
VANDERLEI DA SILVA SANTOS, UFLA; MAGNO ANTONIO PATTO RAMALHO, UFLA; JOSE EUSTAQUIO DE SOUZA CARNEIRO, UFV; ANGELA DE FATIMA BARBOSA ABREU, CNPAF. |
Título: |
Consequences of early selection for grain type in common bean breeding. |
Ano de publicação: |
2001 |
Fonte/Imprenta: |
Crop Breeding and Applied Biotechnology, v. 1, n. 4, p. 347-354, Dec. 2001. |
Idioma: |
Inglês |
Conteúdo: |
The common bean grain color is controlled by a large number of genes, probably distributed in all the chromosomes. Therefore, early selection for this trait is likely to cause an expressive reduction in the variability of other traits such as grain yield, which is the main objective of most breeding programs. This study was carried out to verify the effect of early (F2 generation) selection for grain type on grain yield in more advanced generations. The F2 population from the cross between the Ouro Negro (black grains) and Pérola (?carioca? - cream with brown stripes) type grains was used. The harvest seeds were divided into two groups, one with ?carioca? grains and another of mixed type, where no selection was applied. The F3 plants of both sub-populations were individually harvested resulting in 199 families per sub-populations. These 398 F3:4 families and the parent cultivars were assessed during the year 2000 dry season in Lavras and the F3:5 families in the winter of 2000 in Lavras and in Patos de Minas. On average, no yield differences among the non-selected and selected for grain type family means were detected. It was also observed that the heritability estimates were high and similar. It is, therefore, inferred that early (F2 generation) selection for grain type did not reduce the potential of the population for selection of superior inbred lines. Consequently, strong selection for grain color in the F2 generation, to screen out undesirable types will enable breeders to concentrate their efforts on the selection of other traits in the advanced generations. Only families with commercially acceptable grain type will be submitted to selection, increasing the chances of success. MenosThe common bean grain color is controlled by a large number of genes, probably distributed in all the chromosomes. Therefore, early selection for this trait is likely to cause an expressive reduction in the variability of other traits such as grain yield, which is the main objective of most breeding programs. This study was carried out to verify the effect of early (F2 generation) selection for grain type on grain yield in more advanced generations. The F2 population from the cross between the Ouro Negro (black grains) and Pérola (?carioca? - cream with brown stripes) type grains was used. The harvest seeds were divided into two groups, one with ?carioca? grains and another of mixed type, where no selection was applied. The F3 plants of both sub-populations were individually harvested resulting in 199 families per sub-populations. These 398 F3:4 families and the parent cultivars were assessed during the year 2000 dry season in Lavras and the F3:5 families in the winter of 2000 in Lavras and in Patos de Minas. On average, no yield differences among the non-selected and selected for grain type family means were detected. It was also observed that the heritability estimates were high and similar. It is, therefore, inferred that early (F2 generation) selection for grain type did not reduce the potential of the population for selection of superior inbred lines. Consequently, strong selection for grain color in the F2 generation, to screen out undesirable types will enable breeder... Mostrar Tudo |
Thesagro: |
Feijão; Genética; Grão; Melhoramento Genético Vegetal; Phaseolus Vulgaris; Seleção; Semente. |
Categoria do assunto: |
G Melhoramento Genético |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/79616/1/Santos1-cbab.pdf
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Marc: |
LEADER 02420naa a2200241 a 4500 001 1210424 005 2022-04-04 008 2001 bl uuuu u00u1 u #d 100 1 $aSANTOS, V. da S. 245 $aConsequences of early selection for grain type in common bean breeding.$h[electronic resource] 260 $c2001 520 $aThe common bean grain color is controlled by a large number of genes, probably distributed in all the chromosomes. Therefore, early selection for this trait is likely to cause an expressive reduction in the variability of other traits such as grain yield, which is the main objective of most breeding programs. This study was carried out to verify the effect of early (F2 generation) selection for grain type on grain yield in more advanced generations. The F2 population from the cross between the Ouro Negro (black grains) and Pérola (?carioca? - cream with brown stripes) type grains was used. The harvest seeds were divided into two groups, one with ?carioca? grains and another of mixed type, where no selection was applied. The F3 plants of both sub-populations were individually harvested resulting in 199 families per sub-populations. These 398 F3:4 families and the parent cultivars were assessed during the year 2000 dry season in Lavras and the F3:5 families in the winter of 2000 in Lavras and in Patos de Minas. On average, no yield differences among the non-selected and selected for grain type family means were detected. It was also observed that the heritability estimates were high and similar. It is, therefore, inferred that early (F2 generation) selection for grain type did not reduce the potential of the population for selection of superior inbred lines. Consequently, strong selection for grain color in the F2 generation, to screen out undesirable types will enable breeders to concentrate their efforts on the selection of other traits in the advanced generations. Only families with commercially acceptable grain type will be submitted to selection, increasing the chances of success. 650 $aFeijão 650 $aGenética 650 $aGrão 650 $aMelhoramento Genético Vegetal 650 $aPhaseolus Vulgaris 650 $aSeleção 650 $aSemente 700 1 $aRAMALHO, M. A. P. 700 1 $aCARNEIRO, J. E. de S. 700 1 $aABREU, A. de F. B. 773 $tCrop Breeding and Applied Biotechnology$gv. 1, n. 4, p. 347-354, Dec. 2001.
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Embrapa Arroz e Feijão (CNPAF) |
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