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Registro Completo |
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
19/12/2016 |
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Data da última atualização: |
19/12/2016 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
RODRIGUEZ, G. A. A.; ABREU, M. S.; PINTO, F. A. M. F.; MONTEIRO, A. C. A.; NÚNEZ, Á. M. P.; RESENDE, M. L. V.; SOUZA, J. T.; MEDEIROS, F. H. V. |
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Título: |
Phialomyces macrosporus decreases anthracnose severity on coffee seedlings by competition for nutrients and induced resistance. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Biological control, Amsterdã, v. 103, p. 119-128, 2016. |
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Idioma: |
Inglês |
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Conteúdo: |
Colletotrichum gloeosporioides is a phytopathogenic fungus that gradually weakens both coffee seedlings and adult plants and reduce the quality of the berries. There are no commercial products in the market to control this disease, and therefore, the prospection of different biocontrol agents is a viable option. Phialomyces macrosporus was selected among 10 saprophytic fungi for its higher activity against C. gloeosporioides on coffee seedlings. Foliar application of P. macrosporus to coffee seedlings seven days before the inoculation of C. gloeosporioides reduced disease severity by 32 to 41%. Phialomyces macrosporus grew on the surface of coffee leaves and increased the permeability of the cuticle followed by increased activities of guaiacol peroxidase (POX), catalase (CAT) and phenylalanine ammonia-lyase (PAL) and the buildup in total phenol content and lignin deposition, consistent with the induced resistance phenomenon. No evidence of mycoparasitism either in vivo or in vitro was observed. However, this fungus reduced the sporulation of the pathogen both in culture medium and on necrotic leaf lesions by competition for nutrients, which was confirmed by in vitro experiments on the utilization of different sources of carbon and nitrogen. This antagonistic saprophyte was able to promote plant growth and colonize roots and stems endophytically. The results of this study indicate that the saprophytic fungus P. macrosporus acts by a combination of induced resistance and competition for nutrients in the reduction of anthracnose severity on coffee seedlings. MenosColletotrichum gloeosporioides is a phytopathogenic fungus that gradually weakens both coffee seedlings and adult plants and reduce the quality of the berries. There are no commercial products in the market to control this disease, and therefore, the prospection of different biocontrol agents is a viable option. Phialomyces macrosporus was selected among 10 saprophytic fungi for its higher activity against C. gloeosporioides on coffee seedlings. Foliar application of P. macrosporus to coffee seedlings seven days before the inoculation of C. gloeosporioides reduced disease severity by 32 to 41%. Phialomyces macrosporus grew on the surface of coffee leaves and increased the permeability of the cuticle followed by increased activities of guaiacol peroxidase (POX), catalase (CAT) and phenylalanine ammonia-lyase (PAL) and the buildup in total phenol content and lignin deposition, consistent with the induced resistance phenomenon. No evidence of mycoparasitism either in vivo or in vitro was observed. However, this fungus reduced the sporulation of the pathogen both in culture medium and on necrotic leaf lesions by competition for nutrients, which was confirmed by in vitro experiments on the utilization of different sources of carbon and nitrogen. This antagonistic saprophyte was able to promote plant growth and colonize roots and stems endophytically. The results of this study indicate that the saprophytic fungus P. macrosporus acts by a combination of induced resistance and compe... Mostrar Tudo |
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Palavras-Chave: |
Antioxidants; Coffea arabica; Competition; Endophytic colonization; Induced systemic resistance; Saprophytic fungi. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 02454naa a2200277 a 4500
001 1125895
005 2016-12-19
008 2016 bl uuuu u00u1 u #d
100 1 $aRODRIGUEZ, G. A. A.
245 $aPhialomyces macrosporus decreases anthracnose severity on coffee seedlings by competition for nutrients and induced resistance.$h[electronic resource]
260 $c2016
520 $aColletotrichum gloeosporioides is a phytopathogenic fungus that gradually weakens both coffee seedlings and adult plants and reduce the quality of the berries. There are no commercial products in the market to control this disease, and therefore, the prospection of different biocontrol agents is a viable option. Phialomyces macrosporus was selected among 10 saprophytic fungi for its higher activity against C. gloeosporioides on coffee seedlings. Foliar application of P. macrosporus to coffee seedlings seven days before the inoculation of C. gloeosporioides reduced disease severity by 32 to 41%. Phialomyces macrosporus grew on the surface of coffee leaves and increased the permeability of the cuticle followed by increased activities of guaiacol peroxidase (POX), catalase (CAT) and phenylalanine ammonia-lyase (PAL) and the buildup in total phenol content and lignin deposition, consistent with the induced resistance phenomenon. No evidence of mycoparasitism either in vivo or in vitro was observed. However, this fungus reduced the sporulation of the pathogen both in culture medium and on necrotic leaf lesions by competition for nutrients, which was confirmed by in vitro experiments on the utilization of different sources of carbon and nitrogen. This antagonistic saprophyte was able to promote plant growth and colonize roots and stems endophytically. The results of this study indicate that the saprophytic fungus P. macrosporus acts by a combination of induced resistance and competition for nutrients in the reduction of anthracnose severity on coffee seedlings.
653 $aAntioxidants
653 $aCoffea arabica
653 $aCompetition
653 $aEndophytic colonization
653 $aInduced systemic resistance
653 $aSaprophytic fungi
700 1 $aABREU, M. S.
700 1 $aPINTO, F. A. M. F.
700 1 $aMONTEIRO, A. C. A.
700 1 $aNÚNEZ, Á. M. P.
700 1 $aRESENDE, M. L. V.
700 1 $aSOUZA, J. T.
700 1 $aMEDEIROS, F. H. V.
773 $tBiological control, Amsterdã$gv. 103, p. 119-128, 2016.
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Epagri-Sede (Epagri-Sede) |
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
09/04/2019 |
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Data da última atualização: |
09/04/2019 |
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Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
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Autoria: |
GIEHL, A. L. |
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Título: |
Carne de frango. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Síntese da Agricultura de Santa Catarina 2017-2018, Florianópolis, p. 128-140, 2018. |
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Idioma: |
Português |
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Conteúdo: |
Este artigo apresenta o desempenho da produção e do mercado de frangos em escala mundial, nacional e estadual. São apresentados dados de produção, demanda, exportação e importação, número de avicultores, preços ao produtor, custos de produção, distribuição geográfica da produção e perspectivas de futuro para o setor. Os dados são relativos principalmente aos anos de 2017 e 2018 (estes últimos parciais), mas na maioria dos casos também são apresentadas informações referentes a períodos anteriores. As principais fontes de dados utilizadas para a elaboração das tabelas e gráficos foram: USDA, IBGE, MDIC/Comex Stat, Cidasc e Epagri/Cepa. |
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Palavras-Chave: |
avicultura; desempenho; exportações; Frango; mercado. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 01148naa a2200181 a 4500
001 1128360
005 2019-04-09
008 2018 bl uuuu u00u1 u #d
100 1 $aGIEHL, A. L.
245 $aCarne de frango.$h[electronic resource]
260 $c2018
520 $aEste artigo apresenta o desempenho da produção e do mercado de frangos em escala mundial, nacional e estadual. São apresentados dados de produção, demanda, exportação e importação, número de avicultores, preços ao produtor, custos de produção, distribuição geográfica da produção e perspectivas de futuro para o setor. Os dados são relativos principalmente aos anos de 2017 e 2018 (estes últimos parciais), mas na maioria dos casos também são apresentadas informações referentes a períodos anteriores. As principais fontes de dados utilizadas para a elaboração das tabelas e gráficos foram: USDA, IBGE, MDIC/Comex Stat, Cidasc e Epagri/Cepa.
653 $aavicultura
653 $adesempenho
653 $aexportações
653 $aFrango
653 $amercado
773 $tSíntese da Agricultura de Santa Catarina 2017-2018, Florianópolis, p. 128-140, 2018.
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