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Registro Completo |
Biblioteca(s): |
Embrapa Semiárido. |
Data corrente: |
31/05/1996 |
Data da última atualização: |
18/10/2022 |
Autoria: |
CAVALCANTE, L. E.; SILVA, I. F. da; CHAVES, I. B. de. |
Título: |
Permeabilidade de alguns solos da Paraiba. |
Ano de publicação: |
1981 |
Fonte/Imprenta: |
In: ENCONTRO NACIONAL DE PESQUISA SOBRE CONSERVAÇÃO DO SOLO, 3., 1980, Recife. Anais... Recife: SBCS, 1981. |
Páginas: |
p. 181-182. |
Idioma: |
Português |
Notas: |
E em Anais do CPG em Conservacao de Solos, Areia, PB. v.2, p.95-102, dez. 1980. |
Conteúdo: |
Classes de permeabilidade foram determinadas para varios solos do Estado da Paraiba. Estes dados foram inferidos atraves dos valores de infiltracao instantanea obtidos em condicoes de campo com cilindros infiltrometros objetivando-se a confeccao de um mapa de permeabilidade que possa auxiliar nos trabalhos de conservacao de solos apesar das variacoes dos parametros (infiltracao e permeabilidade) em funcao de uma longa serie de fatores. |
Palavras-Chave: |
Infiltracao instantanea; Morfologia; Paraiba; Recursos naturais. |
Thesagro: |
Permeabilidade; Solo. |
Thesaurus Nal: |
Natural resources. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
Marc: |
LEADER 01218naa a2200253 a 4500 001 1128757 005 2022-10-18 008 1981 bl uuuu u00u1 u #d 100 1 $aCAVALCANTE, L. E. 245 $aPermeabilidade de alguns solos da Paraiba. 260 $c1981 300 $ap. 181-182. 500 $aE em Anais do CPG em Conservacao de Solos, Areia, PB. v.2, p.95-102, dez. 1980. 520 $aClasses de permeabilidade foram determinadas para varios solos do Estado da Paraiba. Estes dados foram inferidos atraves dos valores de infiltracao instantanea obtidos em condicoes de campo com cilindros infiltrometros objetivando-se a confeccao de um mapa de permeabilidade que possa auxiliar nos trabalhos de conservacao de solos apesar das variacoes dos parametros (infiltracao e permeabilidade) em funcao de uma longa serie de fatores. 650 $aNatural resources 650 $aPermeabilidade 650 $aSolo 653 $aInfiltracao instantanea 653 $aMorfologia 653 $aParaiba 653 $aRecursos naturais 700 1 $aSILVA, I. F. da 700 1 $aCHAVES, I. B. de 773 $tIn: ENCONTRO NACIONAL DE PESQUISA SOBRE CONSERVAÇÃO DO SOLO, 3., 1980, Recife. Anais... Recife: SBCS, 1981.
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Embrapa Semiárido (CPATSA) |
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Registro Completo
Biblioteca(s): |
Embrapa Agroenergia; Embrapa Amazônia Ocidental; Embrapa Milho e Sorgo. |
Data corrente: |
02/12/2020 |
Data da última atualização: |
11/01/2021 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
PEREIRA, V. M.; FERREIRA FILHO, J. A.; LEAO, A. P.; VARGAS, L. H. G.; FARIAS, M. P. de; RIOS, S. de A.; CUNHA, R. N. V. da; FORMIGHIERI, E. F.; ALVES, A. A.; SOUZA JUNIOR, M. T. |
Afiliação: |
Valquíria Martins Pereira, Universidade Federal de Lavras; Jaire Alves Ferreira Filho, Universidade Federal de Lavras; ANDRE PEREIRA LEAO, CNPAE; Luiz Henrique Galli Vargas, Universidade Federal de Lavras; Marcelo Picanço de Farias, Universidade Federal de Lavras; SARA DE ALMEIDA RIOS, CNPMS; RAIMUNDO NONATO VIEIRA DA CUNHA, CPAA; EDUARDO FERNANDES FORMIGHIERI, CNPAE; ALEXANDRE ALONSO ALVES, CNPAE; MANOEL TEIXEIRA SOUZA JUNIOR, CNPAE. |
Título: |
American oil palm from Brazil: Genetic diversity, population structure, and core collection. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
Crop Science, v. 60, p. 3212-3227, Nov./Dec. 2020. |
Descrição Física: |
il. |
DOI: |
https://doi.org/10.1002/csc2.20276 |
Idioma: |
Inglês |
Conteúdo: |
The American oil palm [Elaeis oleifera (Knuth) Cortés] has pronounced importance in oil palm breeding programs. Here, a germplasm bank (GB) of E. oleifera plants collected in the Amazon rainforest in Brazil was submitted to single nucleotide polymorphism (SNP) marker identification, selection, and use, aiming to characterize genetic diversity and population structure and to design a core collection (CC). Five hundred and fifty-three plants from 206 subsamples, collected at 19 localities spread throughout six geographic regions, were submitted to genotyping-by-sequencing analysis. A set of 1,827 high-quality SNP markers was then selected and used to run the genetic diversity and population structure analysis. The genetic diversity found is of moderate degree, and probably only a small portion of the species diversity is represented in the collection. The possible reason for that is the collecting strategy used, which collected subsamples only around the most prominent watercourses in the region. The average degree of genetic differentiation among subsamples is very high, indicating the presence of high interpopulation differentiation. The collection showed a low level of endogamy. The low average gene flow found indicates that genetic isolation caused by drift is occurring, and there is a need to review the conservation strategy. A set of 245 SNPs distributed throughout all 16 chromosomes was used to design CC based on maximizing the strategy of diversity. The optimal adjustment of the validated parameters, maintained while taking fewest subsamples, led to the choice of a model containing 20% of the entire collection as the ideal to form the CC. MenosThe American oil palm [Elaeis oleifera (Knuth) Cortés] has pronounced importance in oil palm breeding programs. Here, a germplasm bank (GB) of E. oleifera plants collected in the Amazon rainforest in Brazil was submitted to single nucleotide polymorphism (SNP) marker identification, selection, and use, aiming to characterize genetic diversity and population structure and to design a core collection (CC). Five hundred and fifty-three plants from 206 subsamples, collected at 19 localities spread throughout six geographic regions, were submitted to genotyping-by-sequencing analysis. A set of 1,827 high-quality SNP markers was then selected and used to run the genetic diversity and population structure analysis. The genetic diversity found is of moderate degree, and probably only a small portion of the species diversity is represented in the collection. The possible reason for that is the collecting strategy used, which collected subsamples only around the most prominent watercourses in the region. The average degree of genetic differentiation among subsamples is very high, indicating the presence of high interpopulation differentiation. The collection showed a low level of endogamy. The low average gene flow found indicates that genetic isolation caused by drift is occurring, and there is a need to review the conservation strategy. A set of 245 SNPs distributed throughout all 16 chromosomes was used to design CC based on maximizing the strategy of diversity. The optimal adjustm... Mostrar Tudo |
Palavras-Chave: |
American oil palm; Brazilian Elaeis oleifera; Diversidade genética. |
Thesagro: |
Banco de Germoplasma; Dendê; Melhoramento Genético Vegetal; Óleo. |
Thesaurus NAL: |
Breeding and Genetic Improvement; Genetic improvement. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/220143/1/American-oil-palm-2020.pdf
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/225602/1/American-oil.pdf
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Marc: |
LEADER 02765naa a2200361 a 4500 001 2127457 005 2021-01-11 008 2020 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1002/csc2.20276$2DOI 100 1 $aPEREIRA, V. M. 245 $aAmerican oil palm from Brazil$bGenetic diversity, population structure, and core collection.$h[electronic resource] 260 $c2020 300 $cil. 520 $aThe American oil palm [Elaeis oleifera (Knuth) Cortés] has pronounced importance in oil palm breeding programs. Here, a germplasm bank (GB) of E. oleifera plants collected in the Amazon rainforest in Brazil was submitted to single nucleotide polymorphism (SNP) marker identification, selection, and use, aiming to characterize genetic diversity and population structure and to design a core collection (CC). Five hundred and fifty-three plants from 206 subsamples, collected at 19 localities spread throughout six geographic regions, were submitted to genotyping-by-sequencing analysis. A set of 1,827 high-quality SNP markers was then selected and used to run the genetic diversity and population structure analysis. The genetic diversity found is of moderate degree, and probably only a small portion of the species diversity is represented in the collection. The possible reason for that is the collecting strategy used, which collected subsamples only around the most prominent watercourses in the region. The average degree of genetic differentiation among subsamples is very high, indicating the presence of high interpopulation differentiation. The collection showed a low level of endogamy. The low average gene flow found indicates that genetic isolation caused by drift is occurring, and there is a need to review the conservation strategy. A set of 245 SNPs distributed throughout all 16 chromosomes was used to design CC based on maximizing the strategy of diversity. The optimal adjustment of the validated parameters, maintained while taking fewest subsamples, led to the choice of a model containing 20% of the entire collection as the ideal to form the CC. 650 $aBreeding and Genetic Improvement 650 $aGenetic improvement 650 $aBanco de Germoplasma 650 $aDendê 650 $aMelhoramento Genético Vegetal 650 $aÓleo 653 $aAmerican oil palm 653 $aBrazilian Elaeis oleifera 653 $aDiversidade genética 700 1 $aFERREIRA FILHO, J. A. 700 1 $aLEAO, A. P. 700 1 $aVARGAS, L. H. G. 700 1 $aFARIAS, M. P. de 700 1 $aRIOS, S. de A. 700 1 $aCUNHA, R. N. V. da 700 1 $aFORMIGHIERI, E. F. 700 1 $aALVES, A. A. 700 1 $aSOUZA JUNIOR, M. T. 773 $tCrop Science$gv. 60, p. 3212-3227, Nov./Dec. 2020.
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