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Registro Completo |
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
08/05/2019 |
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Data da última atualização: |
20/08/2019 |
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Autoria: |
SILVA, E. H. C.; SOARES, R. S.; BORGES, H. O.; FRANCO, C. A.; BRAZ, L. T.; SOARES, P. L. M. |
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Afiliação: |
Edgard Henrique Costa Silva, Universidade Estadual Paulista - UNESP/Faculdade de Ciências Agrárias e Veterinárias; Renato Silva Soares, Universidade Estadual Paulista - UNESP/Faculdade de Ciências Agrárias e Veterinárias; Heloísa Oliveira Borges, Universidade Estadual Paulista - UNESP/Faculdade de Ciências Agrárias e Veterinárias; Carolina Andrade Franco, Universidade Estadual Paulista - UNESP/Faculdade de Ciências Agrárias e Veterinárias; Leila Trevisan Braz, Universidade Estadual Paulista - UNESP/Faculdade de Ciências Agrárias e Veterinárias; Pedro Luiz Martins Soares, Universidade Estadual Paulista - UNESP/Faculdade de Ciências Agrárias e Veterinárias. |
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Título: |
Quantification of the damage caused by Meloidogyne enterolobii in okra. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, v. 54, e00050, 2019. |
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Idioma: |
Inglês |
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Notas: |
Título em português: Quantificação do dano causado por Meloidogyne enterolobii em quiabeiro. |
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Conteúdo: |
The objective of this work was to estimate the damage caused by Meloidogyne enterolobii in okra (Abelmoschus esculentus) and to verify the reliability of the reproduction factor as a suitable measure for selecting resistant okra genotypes. Increasing populations of M. enterolobii ? 0, 500, 1,500, 3,000, 5,000, and 7,000 eggs and second-stage juveniles (J2) per plant, ? were evaluated, in a completely randomized design. The pathogen showed a parasitism pattern similar to that of M. incognita, causing a significant decrease in morphological and agronomic traits. The pathogen reproduction factor should be used in the selection of okra genotypes for tolerance to M. enterolobii, in populations above 3,000 eggs or J2. |
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Palavras-Chave: |
Fator de reprodução; Hospedeiro suscetível; Nematódeo-da-galha; Reproduction facto; Susceptible host. |
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Thesagro: |
Abelmoschus Esculentus. |
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Thesaurus Nal: |
Root-knot nematodes. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/197107/1/Quantification-of-the-damage-caused-by-Meloidogyne.pdf
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Marc: |
LEADER 01616naa a2200277 a 4500
001 2108868
005 2019-08-20
008 2019 bl uuuu u00u1 u #d
100 1 $aSILVA, E. H. C.
245 $aQuantification of the damage caused by Meloidogyne enterolobii in okra.$h[electronic resource]
260 $c2019
500 $aTítulo em português: Quantificação do dano causado por Meloidogyne enterolobii em quiabeiro.
520 $aThe objective of this work was to estimate the damage caused by Meloidogyne enterolobii in okra (Abelmoschus esculentus) and to verify the reliability of the reproduction factor as a suitable measure for selecting resistant okra genotypes. Increasing populations of M. enterolobii ? 0, 500, 1,500, 3,000, 5,000, and 7,000 eggs and second-stage juveniles (J2) per plant, ? were evaluated, in a completely randomized design. The pathogen showed a parasitism pattern similar to that of M. incognita, causing a significant decrease in morphological and agronomic traits. The pathogen reproduction factor should be used in the selection of okra genotypes for tolerance to M. enterolobii, in populations above 3,000 eggs or J2.
650 $aRoot-knot nematodes
650 $aAbelmoschus Esculentus
653 $aFator de reprodução
653 $aHospedeiro suscetível
653 $aNematódeo-da-galha
653 $aReproduction facto
653 $aSusceptible host
700 1 $aSOARES, R. S.
700 1 $aBORGES, H. O.
700 1 $aFRANCO, C. A.
700 1 $aBRAZ, L. T.
700 1 $aSOARES, P. L. M.
773 $tPesquisa Agropecuária Brasileira$gv. 54, e00050, 2019.
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
28/10/2010 |
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Data da última atualização: |
28/05/2018 |
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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: |
ABREU, J. T.; MOURÃO, M. M.; SANTOS, C. E.; VELOSO, C. J. M.; RESENDE, J. S.; FLATSCHART, R. B.; FOLGUERAS-FLATSCHAR, A. V.; JUNIOR, S. N.; SANTORO, M. M.; MENDES, A. C. R.; FRANCO, G. R.; SILVA, A.; CAMPOS, A. B.; FERNANDEZ, S. |
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Afiliação: |
AUREA VALADARES FOLGUERAS FLATSCHAR, CNPMS. |
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Título: |
Molecular studies of the brazilian infectious bronchitis virus isolates. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
Revista Brasileira de Ciência Avícola, Campinas, v. 12, n. 2, p. 107-110, 2010. |
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DOI: |
10.1590/S1516-635X2010000200005 |
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Idioma: |
Inglês |
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Conteúdo: |
Avian infectious bronchitis virus (IBV) isolates have been widely characterized by reverse transcription followed by polymerase chain reaction and DNA sequencing. In present study, these techniques were applied to three viral genomic regions comprising the complete and/or a partial S1 segment, S2 and nucleocapsid genes. DNA sequences from viral isolates obtained from 1972 to 1989 and from 2006 to 2008 were compared. High similarity (>90%) was observed among some of the genomic segments, including S1 hypervariable region, which could suggest a common origin or ancestry. DNA sequences from S2 and N protein genes obtained from different infected tissues of the same flock were analyzed, and a clear segregation between respiratory and intestinal tract was observed. Therefore, these data suggest cocirculation of more than one viral strain in the same flock. 57.1% of DNA sequences from the S1 complete segment samples, 53.3% from the S2 fragment and 62.5% from the partial N gene were found to be different from analyzed sequences from reference strains leading to the conclusion that parte of viral isolates included in this study may be considered region specific. Considering the simultaneous analysis of the three genes, a large IBV genetic profile was observed in both old and recent isolates groups. However, most prominent diversity between viral isolates was obtained in the period from 1972 and 1989, showing the presence of a large number of variants in the state of Minas Gerais before the official approval of vaccination (1980). MenosAvian infectious bronchitis virus (IBV) isolates have been widely characterized by reverse transcription followed by polymerase chain reaction and DNA sequencing. In present study, these techniques were applied to three viral genomic regions comprising the complete and/or a partial S1 segment, S2 and nucleocapsid genes. DNA sequences from viral isolates obtained from 1972 to 1989 and from 2006 to 2008 were compared. High similarity (>90%) was observed among some of the genomic segments, including S1 hypervariable region, which could suggest a common origin or ancestry. DNA sequences from S2 and N protein genes obtained from different infected tissues of the same flock were analyzed, and a clear segregation between respiratory and intestinal tract was observed. Therefore, these data suggest cocirculation of more than one viral strain in the same flock. 57.1% of DNA sequences from the S1 complete segment samples, 53.3% from the S2 fragment and 62.5% from the partial N gene were found to be different from analyzed sequences from reference strains leading to the conclusion that parte of viral isolates included in this study may be considered region specific. Considering the simultaneous analysis of the three genes, a large IBV genetic profile was observed in both old and recent isolates groups. However, most prominent diversity between viral isolates was obtained in the period from 1972 and 1989, showing the presence of a large number of variants in the state of Minas Gerais bef... Mostrar Tudo |
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Thesagro: |
Genética; Virus. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/32305/1/Molecular-studies.pdf
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Marc: |
LEADER 02461naa a2200313 a 4500
001 1865545
005 2018-05-28
008 2010 bl uuuu u00u1 u #d
024 7 $a10.1590/S1516-635X2010000200005$2DOI
100 1 $aABREU, J. T.
245 $aMolecular studies of the brazilian infectious bronchitis virus isolates.$h[electronic resource]
260 $c2010
520 $aAvian infectious bronchitis virus (IBV) isolates have been widely characterized by reverse transcription followed by polymerase chain reaction and DNA sequencing. In present study, these techniques were applied to three viral genomic regions comprising the complete and/or a partial S1 segment, S2 and nucleocapsid genes. DNA sequences from viral isolates obtained from 1972 to 1989 and from 2006 to 2008 were compared. High similarity (>90%) was observed among some of the genomic segments, including S1 hypervariable region, which could suggest a common origin or ancestry. DNA sequences from S2 and N protein genes obtained from different infected tissues of the same flock were analyzed, and a clear segregation between respiratory and intestinal tract was observed. Therefore, these data suggest cocirculation of more than one viral strain in the same flock. 57.1% of DNA sequences from the S1 complete segment samples, 53.3% from the S2 fragment and 62.5% from the partial N gene were found to be different from analyzed sequences from reference strains leading to the conclusion that parte of viral isolates included in this study may be considered region specific. Considering the simultaneous analysis of the three genes, a large IBV genetic profile was observed in both old and recent isolates groups. However, most prominent diversity between viral isolates was obtained in the period from 1972 and 1989, showing the presence of a large number of variants in the state of Minas Gerais before the official approval of vaccination (1980).
650 $aGenética
650 $aVirus
700 1 $aMOURÃO, M. M.
700 1 $aSANTOS, C. E.
700 1 $aVELOSO, C. J. M.
700 1 $aRESENDE, J. S.
700 1 $aFLATSCHART, R. B.
700 1 $aFOLGUERAS-FLATSCHAR, A. V.
700 1 $aJUNIOR, S. N.
700 1 $aSANTORO, M. M.
700 1 $aMENDES, A. C. R.
700 1 $aFRANCO, G. R.
700 1 $aSILVA, A.
700 1 $aCAMPOS, A. B.
700 1 $aFERNANDEZ, S.
773 $tRevista Brasileira de Ciência Avícola, Campinas$gv. 12, n. 2, p. 107-110, 2010.
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Embrapa Milho e Sorgo (CNPMS) |
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