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Registro Completo |
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Biblioteca(s): |
Embrapa Clima Temperado. |
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Data corrente: |
09/11/2010 |
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Data da última atualização: |
07/12/2010 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
EICHOLZ, E. D.; AIRES, R. F.; ÁVILA, D. T. de; UENO, B.; SILVA, S. D. dos A. e; LUCCA FILHO, O. A. |
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Afiliação: |
EBERSON DIEDRICH EICHOLZ, UFPel; ROGÉRIO FERREIRA AIRES; DANTE TRINDADE DE ÁVILA, UFPel; BERNARDO UENO, CPACT; SERGIO DELMAR DOS ANJOS E SILVA, CPACT; ORLANDO ANTONIO LUCCA FILHO, UFPel. |
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Título: |
Avaliação da incidência e severidade de mofo cinzento em mamona na região sul do RS. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
In: SIMPÓSIO ESTADUAL DE AGROENERGIA, 3.; REUNIÃO TÉCNICA ANUAL DE AGROENERGIA, 3.; REUNIÃO TÉCNICA DA MANDIOCA, 10.; REUNIÃO TÉCNICA DA BATATA-DOCE, 2., Pelotas, 2010. Anais... Pelotas: Embrapa Clima Temperado, 2010. Organizado por Sérgio Delmar dos Anjos e Silva, Ivan Rodrigues de Almeida e Ana Cláudia Barneche de Oliveira. 1 CD-ROM. |
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Idioma: |
Português |
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Thesagro: |
Mofo Cinzento. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00832naa a2200181 a 4500
001 1866510
005 2010-12-07
008 2010 bl uuuu u00u1 u #d
100 1 $aEICHOLZ, E. D.
245 $aAvaliação da incidência e severidade de mofo cinzento em mamona na região sul do RS.
260 $c2010
650 $aMofo Cinzento
700 1 $aAIRES, R. F.
700 1 $aÁVILA, D. T. de
700 1 $aUENO, B.
700 1 $aSILVA, S. D. dos A. e
700 1 $aLUCCA FILHO, O. A.
773 $tIn: SIMPÓSIO ESTADUAL DE AGROENERGIA, 3.; REUNIÃO TÉCNICA ANUAL DE AGROENERGIA, 3.; REUNIÃO TÉCNICA DA MANDIOCA, 10.; REUNIÃO TÉCNICA DA BATATA-DOCE, 2., Pelotas, 2010. Anais... Pelotas: Embrapa Clima Temperado, 2010. Organizado por Sérgio Delmar dos Anjos e Silva, Ivan Rodrigues de Almeida e Ana Cláudia Barneche de Oliveira. 1 CD-ROM.
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Registro original: |
Embrapa Clima Temperado (CPACT) |
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Registro Completo
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Biblioteca(s): |
Embrapa Hortaliças. |
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Data corrente: |
21/11/2002 |
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Data da última atualização: |
30/01/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Internacional - A |
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Autoria: |
VIEIRA, J. V.; CHARCHAR, J. M.; ARAGÃO, F. A. S.; BOITEUX, L. S. |
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Afiliação: |
JAIRO VIDAL VIEIRA, CNPH; JOAO MARIA CHARCHAR, CNPH; FERNANDO ANTONIO SOUZA ARAGÃO, CNPH; LEONARDO SILVA BOITEUX, CNPH. |
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Título: |
Heritability and gain from selection for field resistance against multiple root-knoot nematode species (Meloidogyne incognita race 1 and M. javanica) in carrot. |
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Ano de publicação: |
2003 |
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Fonte/Imprenta: |
Euphytica, v. 130, p. 11-16, 2003. |
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ISSN: |
1573-5060 |
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Idioma: |
Inglês |
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Conteúdo: |
Heritability and gain from selection of traits associated with field resistance to multiple root-knot nematode species were estimated in carrot (Daucus carota L.). Experimental plots were uniformly and simultaneously infested with Meloidogyne incognita race 1 and M. javanica. Forty-seven half-sib families derived from the cv. ‘Brasília’ were evaluated for: (1) percentage of commercial roots with non-galling symptoms (%RNG); (2) percentage of commercial roots with gall symptoms (%RGS) and (3) percentage of non-commercial roots (%NCR). The cultivars ‘Brasília’ (resistant), ‘Carandaí’ (intermediate) and ‘Nova Kuroda’ (susceptible) were employed as standards. Broad-sense heritability estimates were 61.9 % for %RNG; 30.6 % for %RGS and 67.9 % for %NCR. However, the gains from selection were very small for all traits. The genotypic correlation between %RGS and %NCR was –0.38 and the correlation between %RNG and %RGS was 0.13. Selection on increasing %RNG resulted in a negative correlated response on %NCR (genotypic correlation = –0.99) indicating repulsion phase linkage(s) between the genetic factor(s) controlling these traits. The phenotypic correlation of –0.88 between %RNG and %NCR suggested that incomplete penetrance and dosage effects might be involved in the expression of these traits. Selection of superior genotypes (i.e. high %RNG, low %RGS, and low %NCR) can be achieved. ‘Brasília’ was among the genotypes selected for the following cycle of recombination reinforcing the notion that this cultivar is one of the most promising sources of stable, wide-spectrum field resistance to Meloidogyne species in D. carota. MenosHeritability and gain from selection of traits associated with field resistance to multiple root-knot nematode species were estimated in carrot (Daucus carota L.). Experimental plots were uniformly and simultaneously infested with Meloidogyne incognita race 1 and M. javanica. Forty-seven half-sib families derived from the cv. ‘Brasília’ were evaluated for: (1) percentage of commercial roots with non-galling symptoms (%RNG); (2) percentage of commercial roots with gall symptoms (%RGS) and (3) percentage of non-commercial roots (%NCR). The cultivars ‘Brasília’ (resistant), ‘Carandaí’ (intermediate) and ‘Nova Kuroda’ (susceptible) were employed as standards. Broad-sense heritability estimates were 61.9 % for %RNG; 30.6 % for %RGS and 67.9 % for %NCR. However, the gains from selection were very small for all traits. The genotypic correlation between %RGS and %NCR was –0.38 and the correlation between %RNG and %RGS was 0.13. Selection on increasing %RNG resulted in a negative correlated response on %NCR (genotypic correlation = –0.99) indicating repulsion phase linkage(s) between the genetic factor(s) controlling these traits. The phenotypic correlation of –0.88 between %RNG and %NCR suggested that incomplete penetrance and dosage effects might be involved in the expression of these traits. Selection of superior genotypes (i.e. high %RNG, low %RGS, and low %NCR) can be achieved. ‘Brasília’ was among the genotypes selected for the following cycle of recombination reinforcing the n... Mostrar Tudo |
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Thesagro: |
Cenoura; Daucus Carota; Doença de Planta; Resistência Genética. |
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Thesaurus NAL: |
Carrots; Genetic correlation; Heritability. |
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Categoria do assunto: |
G Melhoramento Genético |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/772612/1/AP-CNPH-30012024-VIEIRA-et-al-2003.pdf
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Marc: |
LEADER 02449naa a2200253 a 4500
001 1772612
005 2024-01-30
008 2003 bl uuuu u00u1 u #d
022 $a1573-5060
100 1 $aVIEIRA, J. V.
245 $aHeritability and gain from selection for field resistance against multiple root-knoot nematode species (Meloidogyne incognita race 1 and M. javanica) in carrot.$h[electronic resource]
260 $c2003
520 $aHeritability and gain from selection of traits associated with field resistance to multiple root-knot nematode species were estimated in carrot (Daucus carota L.). Experimental plots were uniformly and simultaneously infested with Meloidogyne incognita race 1 and M. javanica. Forty-seven half-sib families derived from the cv. ‘Brasília’ were evaluated for: (1) percentage of commercial roots with non-galling symptoms (%RNG); (2) percentage of commercial roots with gall symptoms (%RGS) and (3) percentage of non-commercial roots (%NCR). The cultivars ‘Brasília’ (resistant), ‘Carandaí’ (intermediate) and ‘Nova Kuroda’ (susceptible) were employed as standards. Broad-sense heritability estimates were 61.9 % for %RNG; 30.6 % for %RGS and 67.9 % for %NCR. However, the gains from selection were very small for all traits. The genotypic correlation between %RGS and %NCR was –0.38 and the correlation between %RNG and %RGS was 0.13. Selection on increasing %RNG resulted in a negative correlated response on %NCR (genotypic correlation = –0.99) indicating repulsion phase linkage(s) between the genetic factor(s) controlling these traits. The phenotypic correlation of –0.88 between %RNG and %NCR suggested that incomplete penetrance and dosage effects might be involved in the expression of these traits. Selection of superior genotypes (i.e. high %RNG, low %RGS, and low %NCR) can be achieved. ‘Brasília’ was among the genotypes selected for the following cycle of recombination reinforcing the notion that this cultivar is one of the most promising sources of stable, wide-spectrum field resistance to Meloidogyne species in D. carota.
650 $aCarrots
650 $aGenetic correlation
650 $aHeritability
650 $aCenoura
650 $aDaucus Carota
650 $aDoença de Planta
650 $aResistência Genética
700 1 $aCHARCHAR, J. M.
700 1 $aARAGÃO, F. A. S.
700 1 $aBOITEUX, L. S.
773 $tEuphytica$gv. 130, p. 11-16, 2003.
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