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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Ocidental. |
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Data corrente: |
20/08/1998 |
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Data da última atualização: |
27/08/2012 |
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Autoria: |
SOUZA, G. F. de. |
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Título: |
Levantamento de plantas daninhas em áreas com e sem cultivos, em Manaus-AM. |
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Ano de publicação: |
1998 |
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Fonte/Imprenta: |
1998. |
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Páginas: |
20 f. |
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Idioma: |
Português |
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Notas: |
Monografia (Graduação em Agronomia) - Universidade do Amazonas, Manaus. |
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Conteúdo: |
Trabalho desenvolvido no Projeto de Producao da Faculdade de Ciencias Agrarias do Amazonas, no periodo de fevereiro a marco de 1998. As areas avaliadas estavam sob tres sistemas de cultivo: plantio com bananeiras (Musa spp), em pousio, e plantio com araca-boi (Eugenia stipita Voulg.). Foram encontradas 12 familias e 17 especies, sendo que, a familia que apresentou um maior numero de especies foi a Poaceae. No entanto, Commelinaceae foi a unica comum a todas as areas avaliadas, atingindo 100% de frequencia na area cultivada com bananeiras. Commelina benghalensis L. foi a que acumulou maior quantidade de material seco/m. As areas do cultivo com bananeira, pousio e araca-boi sao contiguas, a diversidade de especies econtradas, nestas areas, junto com as suas biomassas, mostram o efeito das culturas sobre a producao de plantas daninhas. O coeficiente de similaridade foi maior entre a area em pousio e araca-boi. |
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Palavras-Chave: |
Amazonas; Brasil; Manaus; Plant population. |
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Thesagro: |
Erva Daninha; População de Planta. |
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Thesaurus Nal: |
weeds. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01517nam a2200217 a 4500
001 1666823
005 2012-08-27
008 1998 bl uuuu m 00u1 u #d
100 1 $aSOUZA, G. F. de
245 $aLevantamento de plantas daninhas em áreas com e sem cultivos, em Manaus-AM.
260 $a1998.$c1998
300 $a20 f.
500 $aMonografia (Graduação em Agronomia) - Universidade do Amazonas, Manaus.
520 $aTrabalho desenvolvido no Projeto de Producao da Faculdade de Ciencias Agrarias do Amazonas, no periodo de fevereiro a marco de 1998. As areas avaliadas estavam sob tres sistemas de cultivo: plantio com bananeiras (Musa spp), em pousio, e plantio com araca-boi (Eugenia stipita Voulg.). Foram encontradas 12 familias e 17 especies, sendo que, a familia que apresentou um maior numero de especies foi a Poaceae. No entanto, Commelinaceae foi a unica comum a todas as areas avaliadas, atingindo 100% de frequencia na area cultivada com bananeiras. Commelina benghalensis L. foi a que acumulou maior quantidade de material seco/m. As areas do cultivo com bananeira, pousio e araca-boi sao contiguas, a diversidade de especies econtradas, nestas areas, junto com as suas biomassas, mostram o efeito das culturas sobre a producao de plantas daninhas. O coeficiente de similaridade foi maior entre a area em pousio e araca-boi.
650 $aweeds
650 $aErva Daninha
650 $aPopulação de Planta
653 $aAmazonas
653 $aBrasil
653 $aManaus
653 $aPlant population
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Registro original: |
Embrapa Amazônia Ocidental (CPAA) |
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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: |
15/10/2019 |
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Data da última atualização: |
22/10/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
OLIVEIRA, S. A. S. de; FERREIRA, C. F.; DIAMANTINO, M. S. A. S.; SANTOS, T. A.; PEREIRA, J. dos S.; OLIVEIRA, E. J. de. |
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Afiliação: |
SAULO ALVES SANTOS DE OLIVEIRA, CNPMF; CLAUDIA FORTES FERREIRA, CNPMF; MARIA SELMA ALVES SILVA DIAMANTINO; TAÍS ARAÚJO SANTOS, UFRB; JOCILENE DOS SANTOS PEREIRA, UFRB; EDER JORGE DE OLIVEIRA, CNPMF. |
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Título: |
First report of cassava torrado-like virus, cassava polero-like virus and cassava new alphaflexivirus associated with cassava frogskin disease in Brazil. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Journal of Plant Pathology, August, 2019. |
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ISSN: |
1125-4653 |
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DOI: |
https://doi.org/10.1007/s42161-019-00384-6 |
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Idioma: |
Inglês |
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Notas: |
Online first. |
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Conteúdo: |
Cassava (Manihot esculenta Crantz) plants with typical symptoms of frogskin disease (CFSD) have been observed since 2012 in Cruz das Almas, Bahia, Brazil. The above ground parts of the plants were asymptomatic, however, the roots showed typical symptoms of woody-like appearance, thickened cork-like peel, opaque aspect, and coalescent lip-like slits in a honeycomb pattern. Plants did not test positive for phytoplasma based on a nested-PCR reaction for the 16S region (Alvarez et al. 2009). Therefore, we hypothesized a viral infection. To verify our hypothesis, total RNA was extracted from 0.5 g of plant tissue using CTAB followed by reverse transcription and polymerase chain reaction with specific primers for: (i) cassava frogskin-associated virus ? CsFSaV; (ii) ?cassava torrado-like virus? ? CsTLV; (iii) ?cassava polero-like virus? ? CsPLV and (iv) ?cassava new alphaflexivirus? ? CsNAV, as described by Carvajal-Yepes et al. (2014). Amplicons were obtained for CsTLV (RNA1: 834 bp, RNA2: 719 bp), CsNAV (1227 bp) and CsPLV (1001 bp). No amplicons were obtained for CsFSaV. PCR products were sequenced in both directions, manually edited and deposited in the NCBI database: CsTLV (MN194209, MN194210 and MN194211) and RNA 2 (MN194212, MN194213 and MN194214), CsPLV (MN172358, MN207078 and MN207079) CsNAV (MN207080, MN207081 and MN207082). A BLASTn analysis of the viral sequences showed 96?100% identity with CsTLV (RNA1 polyprotein: KC505250), CsTLV (RNA2 polyprotein: KC505251); CsPLV (RNA-dependent RNA polymerase and coat protein: KF885738) and CsNAV (replicase, TGB1, TGB2, and coat protein: KC505252 and KY288516), respectively (E-value <0.001). The three putative virus species (CsTLV, CsNAV and CsPLV) were described for the first time by Carvajal-Yepes et al. (2014) on association with CFSD together with CsFSaV in Colombia. To our knowledge this is the first report of these three viruses associated with CFSD in Brazil. MenosCassava (Manihot esculenta Crantz) plants with typical symptoms of frogskin disease (CFSD) have been observed since 2012 in Cruz das Almas, Bahia, Brazil. The above ground parts of the plants were asymptomatic, however, the roots showed typical symptoms of woody-like appearance, thickened cork-like peel, opaque aspect, and coalescent lip-like slits in a honeycomb pattern. Plants did not test positive for phytoplasma based on a nested-PCR reaction for the 16S region (Alvarez et al. 2009). Therefore, we hypothesized a viral infection. To verify our hypothesis, total RNA was extracted from 0.5 g of plant tissue using CTAB followed by reverse transcription and polymerase chain reaction with specific primers for: (i) cassava frogskin-associated virus ? CsFSaV; (ii) ?cassava torrado-like virus? ? CsTLV; (iii) ?cassava polero-like virus? ? CsPLV and (iv) ?cassava new alphaflexivirus? ? CsNAV, as described by Carvajal-Yepes et al. (2014). Amplicons were obtained for CsTLV (RNA1: 834 bp, RNA2: 719 bp), CsNAV (1227 bp) and CsPLV (1001 bp). No amplicons were obtained for CsFSaV. PCR products were sequenced in both directions, manually edited and deposited in the NCBI database: CsTLV (MN194209, MN194210 and MN194211) and RNA 2 (MN194212, MN194213 and MN194214), CsPLV (MN172358, MN207078 and MN207079) CsNAV (MN207080, MN207081 and MN207082). A BLASTn analysis of the viral sequences showed 96?100% identity with CsTLV (RNA1 polyprotein: KC505250), CsTLV (RNA2 polyprotein: KC505251); CsPLV ... Mostrar Tudo |
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Thesagro: |
Mandioca. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02711naa a2200229 a 4500
001 2113112
005 2019-10-22
008 2019 bl uuuu u00u1 u #d
022 $a1125-4653
024 7 $ahttps://doi.org/10.1007/s42161-019-00384-6$2DOI
100 1 $aOLIVEIRA, S. A. S. de
245 $aFirst report of cassava torrado-like virus, cassava polero-like virus and cassava new alphaflexivirus associated with cassava frogskin disease in Brazil.$h[electronic resource]
260 $c2019
500 $aOnline first.
520 $aCassava (Manihot esculenta Crantz) plants with typical symptoms of frogskin disease (CFSD) have been observed since 2012 in Cruz das Almas, Bahia, Brazil. The above ground parts of the plants were asymptomatic, however, the roots showed typical symptoms of woody-like appearance, thickened cork-like peel, opaque aspect, and coalescent lip-like slits in a honeycomb pattern. Plants did not test positive for phytoplasma based on a nested-PCR reaction for the 16S region (Alvarez et al. 2009). Therefore, we hypothesized a viral infection. To verify our hypothesis, total RNA was extracted from 0.5 g of plant tissue using CTAB followed by reverse transcription and polymerase chain reaction with specific primers for: (i) cassava frogskin-associated virus ? CsFSaV; (ii) ?cassava torrado-like virus? ? CsTLV; (iii) ?cassava polero-like virus? ? CsPLV and (iv) ?cassava new alphaflexivirus? ? CsNAV, as described by Carvajal-Yepes et al. (2014). Amplicons were obtained for CsTLV (RNA1: 834 bp, RNA2: 719 bp), CsNAV (1227 bp) and CsPLV (1001 bp). No amplicons were obtained for CsFSaV. PCR products were sequenced in both directions, manually edited and deposited in the NCBI database: CsTLV (MN194209, MN194210 and MN194211) and RNA 2 (MN194212, MN194213 and MN194214), CsPLV (MN172358, MN207078 and MN207079) CsNAV (MN207080, MN207081 and MN207082). A BLASTn analysis of the viral sequences showed 96?100% identity with CsTLV (RNA1 polyprotein: KC505250), CsTLV (RNA2 polyprotein: KC505251); CsPLV (RNA-dependent RNA polymerase and coat protein: KF885738) and CsNAV (replicase, TGB1, TGB2, and coat protein: KC505252 and KY288516), respectively (E-value <0.001). The three putative virus species (CsTLV, CsNAV and CsPLV) were described for the first time by Carvajal-Yepes et al. (2014) on association with CFSD together with CsFSaV in Colombia. To our knowledge this is the first report of these three viruses associated with CFSD in Brazil.
650 $aMandioca
700 1 $aFERREIRA, C. F.
700 1 $aDIAMANTINO, M. S. A. S.
700 1 $aSANTOS, T. A.
700 1 $aPEREIRA, J. dos S.
700 1 $aOLIVEIRA, E. J. de
773 $tJournal of Plant Pathology, August, 2019.
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Embrapa Mandioca e Fruticultura (CNPMF) |
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