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Registro Completo |
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Biblioteca(s): |
Embrapa Meio-Norte; Embrapa Unidades Centrais. |
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Data corrente: |
11/04/2012 |
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Data da última atualização: |
06/06/2012 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SOUSA, C. A. F. de; CAVALCANTI, M. I. L. G.; VASCONCELOS, L. F. L.; SOUSA, H. U. de; RIBEIRO, V. Q.; SILVA, J. A. L. da. |
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Afiliação: |
CARLOS ANTONIO FERREIRA DE SOUSA, CPAMN; MARIA IRISVALDA LEAL GONDIM CAVALCANTI, INSTITUTO FEDERAL DE EDUCAÇÃO, CIÊNCIA E TECNOLOGIA DO PIAUÍ; LUCIO FLAVO LOPES VASCONCELOS, CPAMN; HUMBERTO UMBELINO DE SOUSA, CPAMN; VALDENIR QUEIROZ RIBEIRO, CPAMN; JOSÉ ALGACI LOPES DA SILVA, UFPI. |
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Título: |
'Tommy Atkins' mango trees subjected to high density planting in subhumid tropical climate in northeastern Brazil. |
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Título original: |
Mangueiras 'Tommy Atkins' submetidas à alta densidade de plantio em condições de clima tropical subúmido no Nordeste do Brasil. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, v. 47, n. 1, p. 36-43, jan. 2012. |
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ISSN: |
0100-204X |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this work was to evaluate the effects of high density planting on 'Tommy Atkins' mango trees cultivated in subhumid warm tropical climate in northeastern Brazil. Treatments consisted of five spacial arrangements of plants (8x5 m, 7x4 m, 6x3 m, 5x2 m and 4x2 m), which resulted in the following plant densities: 250 (control), 357, 555, 1,000 and 1,250 plants per hectare. Plant vegetative and reproductive variables, besides fruit quality parameters, were evaluated at seven and eight years after transplantation to the field. In general, high density planting caused reduction in vegetative and reproductive variables of individual mango trees, but had little influence on fruit quality. Above 555 plants per hectare, a significant decrease was observed in mango tree growth. Furthermore, there were decreases in the percentage of flowering, fruit yield per plant and per area. However, planting density up to 357 plants per hectare, in spite of decreasing plant growth and fruit yield per tree, increases fruit yield per area in 30% in comparison to the control. |
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Palavras-Chave: |
Pomar adensado; Produção de frutos. |
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Thesagro: |
Mangifera indica. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/57327/1/PAB47n136.pdf
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Marc: |
LEADER 01954naa a2200241 a 4500
001 1921997
005 2012-06-06
008 2012 bl uuuu u00u1 u #d
022 $a0100-204X
100 1 $aSOUSA, C. A. F. de
240 $aMangueiras 'Tommy Atkins' submetidas à alta densidade de plantio em condições de clima tropical subúmido no Nordeste do Brasil.
245 $a'Tommy Atkins' mango trees subjected to high density planting in subhumid tropical climate in northeastern Brazil.
260 $c2012
520 $aThe objective of this work was to evaluate the effects of high density planting on 'Tommy Atkins' mango trees cultivated in subhumid warm tropical climate in northeastern Brazil. Treatments consisted of five spacial arrangements of plants (8x5 m, 7x4 m, 6x3 m, 5x2 m and 4x2 m), which resulted in the following plant densities: 250 (control), 357, 555, 1,000 and 1,250 plants per hectare. Plant vegetative and reproductive variables, besides fruit quality parameters, were evaluated at seven and eight years after transplantation to the field. In general, high density planting caused reduction in vegetative and reproductive variables of individual mango trees, but had little influence on fruit quality. Above 555 plants per hectare, a significant decrease was observed in mango tree growth. Furthermore, there were decreases in the percentage of flowering, fruit yield per plant and per area. However, planting density up to 357 plants per hectare, in spite of decreasing plant growth and fruit yield per tree, increases fruit yield per area in 30% in comparison to the control.
650 $aMangifera indica
653 $aPomar adensado
653 $aProdução de frutos
700 1 $aCAVALCANTI, M. I. L. G.
700 1 $aVASCONCELOS, L. F. L.
700 1 $aSOUSA, H. U. de
700 1 $aRIBEIRO, V. Q.
700 1 $aSILVA, J. A. L. da
773 $tPesquisa Agropecuária Brasileira, Brasília$gv. 47, n. 1, p. 36-43, jan. 2012.
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Registro original: |
Embrapa Meio-Norte (CPAMN) |
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Registro Completo
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
30/12/2016 |
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Data da última atualização: |
29/12/2017 |
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Autoria: |
GIRARDINI, L. K.; PAIM, D. S.; LOPES, G. V.; PELLEGRINI, D. C. P.; BRITO, M. A. V. P.; CARDOSO, M. |
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Afiliação: |
LILIAN K. GIRARDINI, Universidade do Oeste de Santa Catarina/FMV; DANIEL S. PAIM, UFRGS; GRACIELA V. LOPES, UFRGS; DEBORA C. P. PELLEGRINI, Universidade Federal do Pampa; MARIA APARECIDA V PAIVA E BRITO, CNPGL; MARISA CARDOSO, UFRGS. |
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Título: |
Antimicrobial resistance profiles of Staphylococcus aureus clusters on small dairy farms in southern Brazil. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Pesquisa Veterinária Brasileira, Rio de Janeiro, v. 36, n. 10, p. 951-956, out. 2016. |
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Idioma: |
Inglês |
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Conteúdo: |
In intensive dairy farming, persistent intramammary infection has been associated with specific Staphylococcus (S.) aureus strains, and these strains may be resistant to antimicrobials. The objective of this study was to evaluate the antimicrobial resistance phenotypes of S. aureus isolates and to assess the distribution and the persistence of clonal groups in small dairy herds of southern Brazil. Milk samples were collected from all lactating cows from 21 dairy farms over a two-year period, totaling 1,060 samples. S. aureus isolates were tested for susceptibility to thirteen antimicrobials using the disk diffusion method. The total DNA of the isolates was subjected to SmaI digestion followed by pulsed-field gel electrophoresis (PFGE). Banding patterns differing by ?4 bands were considered members of a single PFGE cluster. The frequency of S. aureus isolation ranged from 3.45% to 70.59% among the 17 S. aureus-positive herds. Most S. aureus isolates (87.1%) were susceptible to all antimicrobials; resistance to penicillin (18.2%) was the most frequently observed. The 122 isolates subjected to macrorestriction analysis were classified into 30 PFGE-clusters. Among them, only 10 clusters were intermittent or persistent over the two-year period. The majority (93.6%) of isolates belonging to persistent and intermittent clusters were susceptible to all tested antimicrobials. S. aureus intramammary colonization in small dairy farms of southern Brazil is most frequently caused by sporadic PFGE clusters, although some persistent clusters can arise over time. Both sporadic and persistent isolates were highly susceptible to antimicrobials. MenosIn intensive dairy farming, persistent intramammary infection has been associated with specific Staphylococcus (S.) aureus strains, and these strains may be resistant to antimicrobials. The objective of this study was to evaluate the antimicrobial resistance phenotypes of S. aureus isolates and to assess the distribution and the persistence of clonal groups in small dairy herds of southern Brazil. Milk samples were collected from all lactating cows from 21 dairy farms over a two-year period, totaling 1,060 samples. S. aureus isolates were tested for susceptibility to thirteen antimicrobials using the disk diffusion method. The total DNA of the isolates was subjected to SmaI digestion followed by pulsed-field gel electrophoresis (PFGE). Banding patterns differing by ?4 bands were considered members of a single PFGE cluster. The frequency of S. aureus isolation ranged from 3.45% to 70.59% among the 17 S. aureus-positive herds. Most S. aureus isolates (87.1%) were susceptible to all antimicrobials; resistance to penicillin (18.2%) was the most frequently observed. The 122 isolates subjected to macrorestriction analysis were classified into 30 PFGE-clusters. Among them, only 10 clusters were intermittent or persistent over the two-year period. The majority (93.6%) of isolates belonging to persistent and intermittent clusters were susceptible to all tested antimicrobials. S. aureus intramammary colonization in small dairy farms of southern Brazil is most frequently caused by spor... Mostrar Tudo |
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Palavras-Chave: |
Grupo clonal; Mastistis. |
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Thesagro: |
Mamite. |
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Thesaurus NAL: |
Methicillin-resistant Staphylococcus aureus; Pulsed-field gel electrophoresis. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/152571/1/Antimicrobial-resistance-profiles.pdf
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Marc: |
LEADER 02442naa a2200241 a 4500
001 2059656
005 2017-12-29
008 2016 bl uuuu u00u1 u #d
100 1 $aGIRARDINI, L. K.
245 $aAntimicrobial resistance profiles of Staphylococcus aureus clusters on small dairy farms in southern Brazil.$h[electronic resource]
260 $c2016
520 $aIn intensive dairy farming, persistent intramammary infection has been associated with specific Staphylococcus (S.) aureus strains, and these strains may be resistant to antimicrobials. The objective of this study was to evaluate the antimicrobial resistance phenotypes of S. aureus isolates and to assess the distribution and the persistence of clonal groups in small dairy herds of southern Brazil. Milk samples were collected from all lactating cows from 21 dairy farms over a two-year period, totaling 1,060 samples. S. aureus isolates were tested for susceptibility to thirteen antimicrobials using the disk diffusion method. The total DNA of the isolates was subjected to SmaI digestion followed by pulsed-field gel electrophoresis (PFGE). Banding patterns differing by ?4 bands were considered members of a single PFGE cluster. The frequency of S. aureus isolation ranged from 3.45% to 70.59% among the 17 S. aureus-positive herds. Most S. aureus isolates (87.1%) were susceptible to all antimicrobials; resistance to penicillin (18.2%) was the most frequently observed. The 122 isolates subjected to macrorestriction analysis were classified into 30 PFGE-clusters. Among them, only 10 clusters were intermittent or persistent over the two-year period. The majority (93.6%) of isolates belonging to persistent and intermittent clusters were susceptible to all tested antimicrobials. S. aureus intramammary colonization in small dairy farms of southern Brazil is most frequently caused by sporadic PFGE clusters, although some persistent clusters can arise over time. Both sporadic and persistent isolates were highly susceptible to antimicrobials.
650 $aMethicillin-resistant Staphylococcus aureus
650 $aPulsed-field gel electrophoresis
650 $aMamite
653 $aGrupo clonal
653 $aMastistis
700 1 $aPAIM, D. S.
700 1 $aLOPES, G. V.
700 1 $aPELLEGRINI, D. C. P.
700 1 $aBRITO, M. A. V. P.
700 1 $aCARDOSO, M.
773 $tPesquisa Veterinária Brasileira, Rio de Janeiro$gv. 36, n. 10, p. 951-956, out. 2016.
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Embrapa Unidades Centrais (AI-SEDE) |
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