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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
22/02/2016 |
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Data da última atualização: |
26/09/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MENEZES, C. B. de; MALUF, W. R.; FARIA, M. V.; AZEVEDO, S. M.; RESENDE, J. T. V.; FIGUEIRA, A. R.; GOMES, L. A. A. |
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Afiliação: |
CICERO BESERRA DE MENEZES, CNPMS; WILSON R. MALUF, Ufla, Lavras, MG.; MARCOS V. FARIA, UNICENTRO, Guarapuava, PR.; SEBASTIAO M. AZEVEDO, Sakata Seed Sudamerica, Bragança Paulista, SP.; JULIANO T. V. RESENDE, UNICENTRO, Guarapuava, PR.; ANTONIA R. FIGUEIRA, UFLA, Lavras, MG.; LUIZ A. A. GOMES, Ufla, Lavras, MG. |
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Título: |
Inheritance of resistance to papaya ringspot virus-watermelon strain (PRSV-W) in 'Whitaker' summer squash line. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Crop Breeding and Applied Biotechnology, Londrina, v. 15, n. 4, p. 203-209, out./dez. 2015. |
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DOI: |
10.1590/1984-70332015v15n4a36 |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this work was to study the genetic control of the PRSV-W (Papaya Ringspot Virus ? Watermelon Strain) resistance in Cucurbita pepo ?Whitaker? line. Plants of parental lines Whitaker (resistant) and Caserta (susceptible), and of the generations F1, F2, BC11 and BC12 were evaluated for their reactions to PRSV-W. Caserta plants showed severe mosaic symptoms, while Whitaker grew vigorously and remained almost totally symptom-free. Most of the F1, F2 and backcross plants also presented severe mosaic symptoms. Data were used to test a hypothesis of monogenic inheritance under different presumed degrees of dominance, and genetic models were tested using maximum likelihood tests of genetic control. Broad-sense heritability was of 0.57 for the first evaluation. Resistance to PRSV-W in C. pepo ?Whitaker? is due to a major gene effect summed to polygenic effects. |
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Palavras-Chave: |
Resistência a virus. |
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Thesagro: |
Abóbora moranga; Controle genético; Cucurbita pepo. |
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Thesaurus Nal: |
Potyvirus. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/139766/1/Inheritance-resistance-1.pdf
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Marc: |
LEADER 01733naa a2200265 a 4500
001 2038029
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008 2015 bl uuuu u00u1 u #d
024 7 $a10.1590/1984-70332015v15n4a36$2DOI
100 1 $aMENEZES, C. B. de
245 $aInheritance of resistance to papaya ringspot virus-watermelon strain (PRSV-W) in 'Whitaker' summer squash line.$h[electronic resource]
260 $c2015
520 $aThe objective of this work was to study the genetic control of the PRSV-W (Papaya Ringspot Virus ? Watermelon Strain) resistance in Cucurbita pepo ?Whitaker? line. Plants of parental lines Whitaker (resistant) and Caserta (susceptible), and of the generations F1, F2, BC11 and BC12 were evaluated for their reactions to PRSV-W. Caserta plants showed severe mosaic symptoms, while Whitaker grew vigorously and remained almost totally symptom-free. Most of the F1, F2 and backcross plants also presented severe mosaic symptoms. Data were used to test a hypothesis of monogenic inheritance under different presumed degrees of dominance, and genetic models were tested using maximum likelihood tests of genetic control. Broad-sense heritability was of 0.57 for the first evaluation. Resistance to PRSV-W in C. pepo ?Whitaker? is due to a major gene effect summed to polygenic effects.
650 $aPotyvirus
650 $aAbóbora moranga
650 $aControle genético
650 $aCucurbita pepo
653 $aResistência a virus
700 1 $aMALUF, W. R.
700 1 $aFARIA, M. V.
700 1 $aAZEVEDO, S. M.
700 1 $aRESENDE, J. T. V.
700 1 $aFIGUEIRA, A. R.
700 1 $aGOMES, L. A. A.
773 $tCrop Breeding and Applied Biotechnology, Londrina$gv. 15, n. 4, p. 203-209, out./dez. 2015.
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Embrapa Milho e Sorgo (CNPMS) |
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