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Registro Completo |
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Biblioteca(s): |
Embrapa Instrumentação. |
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Data corrente: |
12/05/2011 |
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Data da última atualização: |
30/05/2011 |
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Autoria: |
ATKINS, P.; PAULA, J. de. |
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Título: |
Físico-química. |
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Edição: |
8. ed. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
Rio de Janeiro: LTC, 2010. v. 1. |
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ISBN: |
9788521616009 |
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Idioma: |
Português |
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Palavras-Chave: |
Físico-química. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00353nam a2200145 a 4500
001 1888434
005 2011-05-30
008 2010 bl uuuu 00u1 u #d
020 $a9788521616009
100 1 $aATKINS, P.
245 $aFísico-química.
250 $a8. ed.
260 $aRio de Janeiro: LTC, 2010. v. 1.$c2010
653 $aFísico-química
700 1 $aPAULA, J. de
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Registro original: |
Embrapa Instrumentação (CNPDIA) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Mandioca e Fruticultura. Para informações adicionais entre em contato com cnpmf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
11/02/2011 |
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Data da última atualização: |
06/04/2011 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 2 |
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Autoria: |
EIRAS, M.; SILVA, S. R. da; STUCHI, E. S.; FLORES, R.; DARÓS, J. A. |
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Afiliação: |
Marcelo Eiras, CPDSV; Simone Rodrigues da Silva, ESALQ/USP; EDUARDO SANCHES STUCHI, CNPMF; Ricardo Flores, CSIC; José Antonio Daròs, CSIC. |
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Título: |
Viroid species associated with the bark-cracking phenotype of 'Tahiti' acid lime in the State of São Paulo, Brazil. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
Tropical Plant Pathology, Brasília, DF, v. 35, n. 5, p. 303-309, 2010. |
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Idioma: |
Português |
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Notas: |
Short communication |
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Conteúdo: |
Viroids have been used as "graft transmissible dwarfing agents" (GTDA) in several countries, mainly to reduce growth of citrus trees, thus increasing their density in orchards. In the State of São Paulo, Brazil, plants of the acid lime 'Tahiti' are usually grafted with a complex of GTDA, presumably viroids. The aim of the present work was the identification and molecular characterization of the viroids infecting trees of acid lime 'Tahiti' displaying "Quebra galho" (bark-cracking). Viroids were identified and characterized by biological indexing in 'Etrog' citron, Northern-blot hybridization, RT-PCR, cloning and complete sequencing of the RNA genomes. Citrus exocortis viroid (CEVd), Hop stunt viroid (HSVd) and Citrus dwarfing viroid (CDVd) were found in different combinations. Although we have not been able to infer a direct relationship between the agronomical performance and symptom severity with the presence of a specific viroid or viroid combination, the differences in the severity of "Quebra-galho" symptoms among different trees is probably associated with the presence (or absence) of CEVd, with its interaction with other viroids perhaps determining the different phenotypes observed in the field. |
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Palavras-Chave: |
Citrus dwarfing; Exocortis; Xyloporosis. |
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Thesaurus NAL: |
cachexia; Pospiviroid; Pospiviroidae. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 01952naa a2200253 a 4500
001 1876907
005 2011-04-06
008 2010 bl uuuu u00u1 u #d
100 1 $aEIRAS, M.
245 $aViroid species associated with the bark-cracking phenotype of 'Tahiti' acid lime in the State of São Paulo, Brazil.
260 $c2010
500 $aShort communication
520 $aViroids have been used as "graft transmissible dwarfing agents" (GTDA) in several countries, mainly to reduce growth of citrus trees, thus increasing their density in orchards. In the State of São Paulo, Brazil, plants of the acid lime 'Tahiti' are usually grafted with a complex of GTDA, presumably viroids. The aim of the present work was the identification and molecular characterization of the viroids infecting trees of acid lime 'Tahiti' displaying "Quebra galho" (bark-cracking). Viroids were identified and characterized by biological indexing in 'Etrog' citron, Northern-blot hybridization, RT-PCR, cloning and complete sequencing of the RNA genomes. Citrus exocortis viroid (CEVd), Hop stunt viroid (HSVd) and Citrus dwarfing viroid (CDVd) were found in different combinations. Although we have not been able to infer a direct relationship between the agronomical performance and symptom severity with the presence of a specific viroid or viroid combination, the differences in the severity of "Quebra-galho" symptoms among different trees is probably associated with the presence (or absence) of CEVd, with its interaction with other viroids perhaps determining the different phenotypes observed in the field.
650 $acachexia
650 $aPospiviroid
650 $aPospiviroidae
653 $aCitrus dwarfing
653 $aExocortis
653 $aXyloporosis
700 1 $aSILVA, S. R. da
700 1 $aSTUCHI, E. S.
700 1 $aFLORES, R.
700 1 $aDARÓS, J. A.
773 $tTropical Plant Pathology, Brasília, DF$gv. 35, n. 5, p. 303-309, 2010.
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