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Registro Completo |
Biblioteca(s): |
Biblioteca Rui Tendinha. |
Data corrente: |
03/09/2013 |
Data da última atualização: |
03/09/2013 |
Autoria: |
BANCO DO NORDESTE DO BRASIL |
Título: |
Programa Nacional de Fortalecimento da Agricultura Familiar (Pronaf) : relatório de resultados 2011. |
Ano de publicação: |
2013 |
Fonte/Imprenta: |
Fortaleza, 2013 |
Páginas: |
66 p. |
Idioma: |
Português |
Conteúdo: |
A agricultura familiar. O Programa Nacional de Fortalecimento da Agricultura Familiar (Pronaf). Resultados do Pronaf no BNB. |
Palavras-Chave: |
Programa do Governo; Pronaf. |
Thesagro: |
Agricultura familiar; Programa do Governo; Projeto de desenvolvimento; Pronaf. |
Categoria do assunto: |
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Marc: |
LEADER 00676nam a2200193 a 4500 001 1000444 005 2013-09-03 008 2013 bl uuuu 00u1 u #d 100 1 $aBANCO DO NORDESTE DO BRASIL 245 $aPrograma Nacional de Fortalecimento da Agricultura Familiar (Pronaf)$brelatório de resultados 2011. 260 $aFortaleza$c2013 300 $a66 p. 520 $aA agricultura familiar. O Programa Nacional de Fortalecimento da Agricultura Familiar (Pronaf). Resultados do Pronaf no BNB. 650 $aAgricultura familiar 650 $aPrograma do Governo 650 $aProjeto de desenvolvimento 650 $aPronaf 653 $aPrograma do Governo 653 $aPronaf
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Biblioteca Rui Tendinha (BRT) |
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Registro Completo |
Biblioteca(s): |
Biblioteca Rui Tendinha. |
Data corrente: |
19/01/2015 |
Data da última atualização: |
01/09/2015 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 2 |
Autoria: |
RODRIGUES, S. P; ANDRADE, J. S.; VENTURA, J. A.; LINDSEY, G.; FERNANDES, P. M. B. |
Afiliação: |
Jose Aires Ventura, Incaper. |
Título: |
Papaya meleira virus (PMeV) is neither transmitted by infection at wound sites nor by the white fly Trialeurodes variabilis. |
Ano de publicação: |
2009 |
Fonte/Imprenta: |
Journal of Plant Pathology, v. 91, n. 1, p. 87-91, 2009. |
Idioma: |
Inglês |
Conteúdo: |
Papaya meleira virus (PMeV), a double-stranded RNA (dsRNA) virus present in the latex of papaya (Carica papaya L.), is the causal agent of ?meleira? or ?sticky disease?, which prevails in eastern Brazil. Disease management strategies in the orchards are impaired by the lack of knowledge on PMeV transmission. We have therefore evaluated inoculation methods (five mechanical and one biological) for virus transmission to different papaya cultivars using crude latex collected from symptomatic plants. Inoculated plants were kept under observation for symptom development and checked for the presence of viral dsRNA for over three months. Test plants wounded by cutting or abrasion, which resulted in latex exudation, were not infected, whereas PMeV dsRNA was detected 15 days after inoculation by latex injection into the stem apex. The whitefly Trialeurodes variabilis was unable to transmit PMeV from diseased to healthy papayas, even though the presence of the virus was ascertained in adults and nymphs. These data confirm previous field observations that failed to associate sticky disease with this whitefly species. |
Thesaurus NAL: |
Carica papaya; DsRNA; Epidemiology; Mechanical inoculation; Whiteflies. |
Categoria do assunto: |
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URL: |
http://biblioteca.incaper.es.gov.br/digital/bitstream/item/607/1/628-627-1-PB.pdf
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Marc: |
LEADER 01824naa a2200229 a 4500 001 1004991 005 2015-09-01 008 2009 bl uuuu u00u1 u #d 100 1 $aRODRIGUES, S. P 245 $aPapaya meleira virus (PMeV) is neither transmitted by infection at wound sites nor by the white fly Trialeurodes variabilis.$h[electronic resource] 260 $c2009 520 $aPapaya meleira virus (PMeV), a double-stranded RNA (dsRNA) virus present in the latex of papaya (Carica papaya L.), is the causal agent of ?meleira? or ?sticky disease?, which prevails in eastern Brazil. Disease management strategies in the orchards are impaired by the lack of knowledge on PMeV transmission. We have therefore evaluated inoculation methods (five mechanical and one biological) for virus transmission to different papaya cultivars using crude latex collected from symptomatic plants. Inoculated plants were kept under observation for symptom development and checked for the presence of viral dsRNA for over three months. Test plants wounded by cutting or abrasion, which resulted in latex exudation, were not infected, whereas PMeV dsRNA was detected 15 days after inoculation by latex injection into the stem apex. The whitefly Trialeurodes variabilis was unable to transmit PMeV from diseased to healthy papayas, even though the presence of the virus was ascertained in adults and nymphs. These data confirm previous field observations that failed to associate sticky disease with this whitefly species. 650 $aCarica papaya 650 $aDsRNA 650 $aEpidemiology 650 $aMechanical inoculation 650 $aWhiteflies 700 1 $aANDRADE, J. S. 700 1 $aVENTURA, J. A. 700 1 $aLINDSEY, G. 700 1 $aFERNANDES, P. M. B. 773 $tJournal of Plant Pathology$gv. 91, n. 1, p. 87-91, 2009.
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