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 | Acesso ao texto completo restrito à biblioteca da Embrapa Uva e Vinho. Para informações adicionais entre em contato com cnpuv.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Uva e Vinho. |
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Data corrente: |
13/02/2017 |
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Data da última atualização: |
07/06/2019 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
MEYER, G. de A.; RUFATO, L.; VALDEBENITO-SANHUEZA, R. M.; RUFATO, A. de R. |
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Afiliação: |
Udesc; Udesc; Rosa Maria Valdebenito Sanhueza, Proterra Agronomic Engineering; ANDREA DE ROSSI RUFATO, CNPUV. |
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Título: |
The action of aminoethoxyvinyglycine (AVG) on apple ('Maxi Gala') leaf abscission in plants infected by glomerella leaf spot (colletotrichum gloeosporioides). |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Acta Horticulturae, n. 1119, p. 43-48, 2016. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract In Brazil, leaf abscission in apple trees can occur prematurely due to infection by Glomerella leaf spot (Colletotrichum gloeosporioides). The extent of leaf fall is correlated with ethylene production resulting from the reaction by the host to prevent the dissemination of the pathogen. The aim of this study was to verify the impact of the aminoethoxyivinylglycine (AVG) on the process of leaf abscission in plants exhibiting Glomerella leaf spot symptoms. The experiment was conducted in the spring of 2011 in ?Maxi Gala?/M9 young apple trees (2 years old) in pots under greenhouse conditions at 22±2°C, with 80±5% relative humidity, (28°30?52?S and 50°52?58?W, 950 m). Plants without disease symptoms were artificially inoculated with C. gloeosporioides, and treatments were applied when the leaves had symptoms of infection. The experiment included 7 treatments with AVG and/or the fungicide Folpet (mg L-1 active ingredient ? a.i.) as follows: AVG 60, AVG 150, AVG 30 + Folpet 120, AVG 45 + Folpet 120, AVG 60 + Folpet 120, AVG 150 + Folpet 120, Folpet 120 alone and the untreated control. Assessments of percentage defoliation were made weekly until 68 days after spraying (das). The results indicated that AVG in doses 60 and 150 mg L-1 resulted in a reduced level of defoliation, compared with the fungicide treated trees, and abscission was equivalent to control at 21 das. After the disease is established and is not controlled by fungicide there was an increase in leaf abscission compared to the control. MenosAbstract In Brazil, leaf abscission in apple trees can occur prematurely due to infection by Glomerella leaf spot (Colletotrichum gloeosporioides). The extent of leaf fall is correlated with ethylene production resulting from the reaction by the host to prevent the dissemination of the pathogen. The aim of this study was to verify the impact of the aminoethoxyivinylglycine (AVG) on the process of leaf abscission in plants exhibiting Glomerella leaf spot symptoms. The experiment was conducted in the spring of 2011 in ?Maxi Gala?/M9 young apple trees (2 years old) in pots under greenhouse conditions at 22±2°C, with 80±5% relative humidity, (28°30?52?S and 50°52?58?W, 950 m). Plants without disease symptoms were artificially inoculated with C. gloeosporioides, and treatments were applied when the leaves had symptoms of infection. The experiment included 7 treatments with AVG and/or the fungicide Folpet (mg L-1 active ingredient ? a.i.) as follows: AVG 60, AVG 150, AVG 30 + Folpet 120, AVG 45 + Folpet 120, AVG 60 + Folpet 120, AVG 150 + Folpet 120, Folpet 120 alone and the untreated control. Assessments of percentage defoliation were made weekly until 68 days after spraying (das). The results indicated that AVG in doses 60 and 150 mg L-1 resulted in a reduced level of defoliation, compared with the fungicide treated trees, and abscission was equivalent to control at 21 das. After the disease is established and is not controlled by fungicide there was an increase in leaf abscissi... Mostrar Tudo |
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Palavras-Chave: |
Artificial inoculation; Borkh; Leaf fall; Summer diseases. |
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Thesagro: |
Malus domestica. |
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Thesaurus Nal: |
defoliation. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02243nam a2200217 a 4500
001 2063691
005 2019-06-07
008 2016 bl uuuu u00u1 u #d
100 1 $aMEYER, G. de A.
245 $aThe action of aminoethoxyvinyglycine (AVG) on apple ('Maxi Gala') leaf abscission in plants infected by glomerella leaf spot (colletotrichum gloeosporioides).$h[electronic resource]
260 $aActa Horticulturae, n. 1119, p. 43-48$c2016
520 $aAbstract In Brazil, leaf abscission in apple trees can occur prematurely due to infection by Glomerella leaf spot (Colletotrichum gloeosporioides). The extent of leaf fall is correlated with ethylene production resulting from the reaction by the host to prevent the dissemination of the pathogen. The aim of this study was to verify the impact of the aminoethoxyivinylglycine (AVG) on the process of leaf abscission in plants exhibiting Glomerella leaf spot symptoms. The experiment was conducted in the spring of 2011 in ?Maxi Gala?/M9 young apple trees (2 years old) in pots under greenhouse conditions at 22±2°C, with 80±5% relative humidity, (28°30?52?S and 50°52?58?W, 950 m). Plants without disease symptoms were artificially inoculated with C. gloeosporioides, and treatments were applied when the leaves had symptoms of infection. The experiment included 7 treatments with AVG and/or the fungicide Folpet (mg L-1 active ingredient ? a.i.) as follows: AVG 60, AVG 150, AVG 30 + Folpet 120, AVG 45 + Folpet 120, AVG 60 + Folpet 120, AVG 150 + Folpet 120, Folpet 120 alone and the untreated control. Assessments of percentage defoliation were made weekly until 68 days after spraying (das). The results indicated that AVG in doses 60 and 150 mg L-1 resulted in a reduced level of defoliation, compared with the fungicide treated trees, and abscission was equivalent to control at 21 das. After the disease is established and is not controlled by fungicide there was an increase in leaf abscission compared to the control.
650 $adefoliation
650 $aMalus domestica
653 $aArtificial inoculation
653 $aBorkh
653 $aLeaf fall
653 $aSummer diseases
700 1 $aRUFATO, L.
700 1 $aVALDEBENITO-SANHUEZA, R. M.
700 1 $aRUFATO, A. de R.
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Registro original: |
Embrapa Uva e Vinho (CNPUV) |
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Registro Completo
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Biblioteca(s): |
Embrapa Pesca e Aquicultura. |
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Data corrente: |
20/08/2018 |
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Data da última atualização: |
20/08/2018 |
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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: |
SOUSA, D. N. de; MACEDO, A. dos S.; MILAGRES, C. S. F.; SOUSA, M. S. C.; MOURA, R. A. de. |
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Afiliação: |
DIEGO NEVES DE SOUSA, CNPASA; ALEX DOS SANTOS MACEDO, UNIVERSIDADE FEDERAL DE VIÇOSA; CLEITON SILVA FERREIRA MILAGRES, UNIVERSIDADE FEDERAL DO TOCANTINS; MICHELE SILVA COSTA SOUSA, UNIVERSIDADE FEDERAL DO TOCANTINS; ROSENI APARECIDA DE MOURA, UNIVERSIDADE FEDERAL DO TOCANTINS. |
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Título: |
Comunicação na gestão de cooperativas. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Cadernos de Comunicação (UFSM), v. 22, n. 2, p.84-103, maio/ago. 2018. |
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ISSN: |
2316-882X |
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Idioma: |
Português |
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Conteúdo: |
Este artigo analisou a comunicação no modelo federado de cooperativas de leite em Minas Gerais. A partir de entrevistas semiestruturadas com os dirigentes destas organizações, evidenciou-se a necessidade de redimensionar a comunicação para uma perspectiva mais democrática, levando em consideração o papel de cada cooperativa no modelo de integração vertical produtiva, para torná-lo mais coeso. |
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Thesagro: |
Comunicação; Cooperativismo; Educação Cooperativa. |
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Thesaurus NAL: |
Communication skills; Cooperatives; Education. |
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Categoria do assunto: |
B Sociologia Rural |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/181621/1/CNPASA-2018-cc-ufsm.pdf
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Marc: |
LEADER 01120naa a2200253 a 4500
001 2094231
005 2018-08-20
008 2018 bl uuuu u00u1 u #d
022 $a2316-882X
100 1 $aSOUSA, D. N. de
245 $aComunicação na gestão de cooperativas.$h[electronic resource]
260 $c2018
520 $aEste artigo analisou a comunicação no modelo federado de cooperativas de leite em Minas Gerais. A partir de entrevistas semiestruturadas com os dirigentes destas organizações, evidenciou-se a necessidade de redimensionar a comunicação para uma perspectiva mais democrática, levando em consideração o papel de cada cooperativa no modelo de integração vertical produtiva, para torná-lo mais coeso.
650 $aCommunication skills
650 $aCooperatives
650 $aEducation
650 $aComunicação
650 $aCooperativismo
650 $aEducação Cooperativa
700 1 $aMACEDO, A. dos S.
700 1 $aMILAGRES, C. S. F.
700 1 $aSOUSA, M. S. C.
700 1 $aMOURA, R. A. de
773 $tCadernos de Comunicação (UFSM)$gv. 22, n. 2, p.84-103, maio/ago. 2018.
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Embrapa Pesca e Aquicultura (CNPASA) |
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