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| 102. |  | SANTOS, P. A. A.; ARTUR, M. A. S.; FREITAS, R. T. de; SOUZA, A. C. de; LEDO, A. da S. Enraizamento in vitro de mangabeira utilizando duas fontes de auxinas. In: CONGRESSO BRASILEIRO DE FLORICULTURA E PLANTAS ORNAMENTAIS, 18.; CONGRESSO BRASILEIRO DE CULTURA DE TECIDOS DE PLANTAS, 5., 2011, Joinville. Resumos... Joinville: Sociedade Brasileira de Plantas Ornamentais e Associação Brasileira de Cultura de Tecidos de Plantas, 2011.| Biblioteca(s): Embrapa Tabuleiros Costeiros. |
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| 104. | | CUNHA, A. L. B.; SOUZA, A. C. G.; KANO, C.; CHAVES, F. C. M.; BRAGA, I. G. Germinação e vigor de sementes de feijão-de-metro em função da época de colheita e tempo de armazenamento. In: CONGRESSO BRASILEIRO DE SEMENTES, 20., 2017, Foz do Iguaçu. Informativo Abrates, v. 27, n. 2, p. 168, 2017.| Biblioteca(s): Embrapa Amazônia Ocidental; Embrapa Territorial. |
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| 107. | | SILVA, M. S.; SOUZA, M. G.; ALMEIDA, O. C.; SOUZA, A. C.; CHAVES, F. C.; MAJOLO, C.; TAVARES, A. M. Efeito do óleo essencial de Piper hispidinervum sobre Moniliophthora perniciosa. In: CONGRESSO BRASILEIRO DE FITOPATOLOGIA, 46.; REUNIÃO BRASILEIRA DE CONTROLE BIOLÓGICO, 11., 2013, Ouro Preto. Expofito. Ouro Preto: UFV, 2013. 1 CD-ROM. Resumo:94-1.| Biblioteca(s): Embrapa Amazônia Ocidental. |
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| 108. | | SILVA, F.; LIMA, H. N.; TEIXEIRA, W. G.; MACEDO, R. S.; TAVARES, S. G.; SOUZA, A. C. G. de. Chemical characterization and mineralogy of three anthropics soils (Indian Dark Earth) of Central Amazon. In: INTERNATIONAL BIOCHAR CONFERENCE, 3., 2010, Rio de Janeiro. Progressing from Terra Preta de Índios to the whole world: anais. Rio de Janeiro: Embrapa, 2010.| Biblioteca(s): Embrapa Solos. |
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| 110. | | FILHO, R. S.; FIGUEIREDO, M. A.; ROSA, S. D. V. F. da; SOUZA, A. C.; CARVALHO, M. A. de F. Proteção da água catódica em sementes de Coffea arabica L. criopreservadas por um ano. In: CONGRESSO BRASILEIRO DE PESQUISAS CAFEEIRAS, 42., 2016, Serra Negra, SP. Produzir mais café, com economia, só com boa tecnologia: trabalhos apresentados. Varginha: Fundação Procafé, 2016. 466 p.| Biblioteca(s): Embrapa Café. |
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| 111. | | MENEZES, C. A. de; CARVALHO, E. P. de F.; SOUZA, A. C. R. de; RODRIGUES, V. G. S. Flores tropicais: produção e comercialização no município de Porto Velho, Rondônia, Brasil. In: CONGRESSO NACIONAL DE BOTÂNICA, 58., 2007, São Paulo, SP. A botânica no Brasil: pesquisa, ensino e políticas públicas ambientais. São Paulo: Sociedade Botânica do Brasil, 2007. 1 CD ROM.| Biblioteca(s): Embrapa Rondônia. |
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| 112. | | SANTOS, T. P. N. dos; SILVA, M. M. de A.; TOMAZ, L.; SOUZA, A. C. de M.; CAMARA, T. Efeito do TDZ na indução de calos in vitro em mamoneira. In: CONGRESSO BRASILEIRO DE MAMONA, 5.; SIMPÓSIO INTERNACIONAL DE OLEAGINOSAS ENERGÉTICAS, 2.; FÓRUM CAPIXABA DE PINHÃO-MANSO, 1., 2012, Guarapari. Desafios e Oportunidades: anais. Campina Grande: Embrapa Algodão, 2012. p. 30| Biblioteca(s): Embrapa Algodão. |
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| 113. | | MACEDO, R. S.; TEIXEIRA, W. G.; SOUZA, A. C. G. de; ENCINAS, O. C.; LIMA, H. N. Capacidade de retenção de água de solos com horizonte a Antrópico (terra preta de índio) em áreas de várzea do Rio Solimões - Amazônia Central, Brasil. In: CONGRESSO LATINOAMERICANO DE LA CIENCIA DEL SUELO, 18., 2009, San Jose, Costa Rica. Suelo... raíz de nuestro futuro. San Jose: Sociedad Latinoamericana de la Ciencia del Suelo, 2009.| Biblioteca(s): Embrapa Amazônia Ocidental. |
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| 114. | | SFORÇA, da; SOUZA, A. C. B.; CAMPOS, T.; BOAVENTURA, L. R.; GODOY, R.; JUNGMANN, L.; JANK, L.; SOUZA, A. P. Avaliação da diversidade genética do banco de germoplasma de Cajanus cajan utilizando marcadores microssatélites. In: CONGRESSO ABERTO AOS ESTUDANTES DE BIOLOGIA (CAEB), 9., 2009. Campinas, SP. Cadernos de resumos... Campinas, SP: Unicamp-IB, 2009. p. 110.| Biblioteca(s): Embrapa Gado de Corte. |
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| 115. | | SOUZA, A. C. G. de; TEIXEIRA, W. G.; MARTINS, G. C.; MACEDO, R. S.; ENCINAS, O. C. Caracterização morfológica, física e química de perfis de solo em áreas de guaranazais e sob floresta primária no município de Presidente Figueiredo - AM, Brasil. In: CONGRESSO LATINOAMERICANO DE LA CIENCIA DEL SUELO, 18., 2009, San Jose, Costa Rica. Suelo... raíz de nuestro futuro. San Jose: Sociedad Latinoamericana de la Ciencia del Suelo, 2009.| Biblioteca(s): Embrapa Amazônia Ocidental. |
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| 117. | | RIGO, M. M.; SOUZA, A. C. F.; CERQUEIRA, A. A.; SOUZA, P. S.; MARQUES, M. R. C.; PEREZ, D. V. Tratamento de lixiviado do aterro de Gramacho - RJ por eletro-fenton. In: REUNIÃO ANUAL SOCIEDADE BRASILEIRA DE QUÍMICA, 36.; 2013, Águas de Lindóia. Resumos... Águas de Lindóia, SP: CNPq, CAPES, FAPESP, FAPEMIG, Ministério da Educação , 2013.| Biblioteca(s): Embrapa Solos. |
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| 118. | | SUSSEL, A. A. B.; ZACARONI, A.; GUIMARAES, T. G.; BARROS, V. D.; SANTOS, H. T.; SOUZA, A. C. Temporal analysis of scab on four passion fruit varieties on brasilian cerrado. Phytopathology, v. 101, n. 6, Supplement, p. S174, 2011. Trabalhos apresentados no: APS-IPPC 2011 Joint Meeting in Honolulu, Hawaii, August 6–10, 2011.| Biblioteca(s): Embrapa Cerrados. |
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Registro Completo
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Biblioteca(s): |
Embrapa Cocais. |
|
Data corrente: |
05/10/2011 |
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Data da última atualização: |
22/11/2011 |
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Autoria: |
COSTA, A. S.; NOGUEIRA, L. C.; SANTOS, V. F. dos; FINGER, F. L.; CAMARA, T. R.; LOGES, V.; WILLADINO, L. |
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Afiliação: |
ANDREZA S. COSTA, Departamento de Agronomia, Universidade Federal Rural de Pernambuco; LUIS CARLOS NOGUEIRA, CPACP; VENÉZIO F. DOS SANTOS, Instituto de Investigação Agrária de Pernambuco; FERNANDO LUIZ FINGER, Departamento de Práticas Agrícolas da Universidade Federal de Viçosa; TEREZINHA RANGEL CAMARA, Departamento de Biologia, Universidade Federal Rural de Pernambuco; VIVIAN LOGES, Departamento de Agronomia, Universidade Federal Rural de Pernambuco; LILIA WILLADINO, Departamento de Biologia, Universidade Federal Rural de Pernambuco. |
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Título: |
Characterization of symptoms of senescence and chilling injury on inflorescences of Heliconia bihai (L.) cv. Lobster Claw and cv. Halloween. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Postharvest Biology and Technology, Amsterdam,The Netherlands, v.59, p. 103-109, 2011. |
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Páginas: |
7 p. |
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Idioma: |
Inglês |
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Conteúdo: |
Inadequate temperatures during the shipping and commercialization of cut tropical flowers may accelerate the senescence process and cause chilling injury, leading to symptoms that have not yet been described for Heliconia bihai. The aim of the present study was to evaluate physiological responses in cut inflorescences of H. bihai cv. Lobster Claw (LC) and cv. Halloween (HW) as well as symptoms of senescence and chilling injury. For such, changes in fresh weight, bract color (L*, a* and b*), percentage of absolute integrity (PAI) of cell membranes and leakage of potassium ions (LPI) were determined. The flowering stems were evaluated at five different intervals after harvest (0, 2, 4, 6 and 8 d). A refrigerated treatment (RT) with a temperature of 6.5 C° and 85% relative humidity was compared to a control treatment (CT) at room temperature of 24 C° and 66% relative humidity. Both cultivars stored at 6.5 C°exhibited dryness of bract tissue (symptom of senescence) and dark stains that became brownish and evolved to necrosis (symptom of chilling injury). The visual quality of inflorescences decreased with time in both cultivars maintained without refrigeration. The severity of chilling injury increased with the length of storage time in both cultivars. There was a significant reduction in the fresh weight of inflorescences in both treatments (RT and CT) and both cultivars (LC and HW). Bract color changed in both cultivars at 6.5 C°. There was no change in PAI throughout the evaluation period in the inflorescences stored at room temperature, whereas those stored at 6.5 C°for 6 and 8 d had lower PAI values. The inflorescences in the control treatment underwent no change in LPI values, whereas those stored under refrigeration had increased LPI values after the sixth day of storage. The physiological responses of cut Heliconia flowers were influenced by storage period and temperature, as demonstrated by visual symptoms of chilling injury and senescence. MenosInadequate temperatures during the shipping and commercialization of cut tropical flowers may accelerate the senescence process and cause chilling injury, leading to symptoms that have not yet been described for Heliconia bihai. The aim of the present study was to evaluate physiological responses in cut inflorescences of H. bihai cv. Lobster Claw (LC) and cv. Halloween (HW) as well as symptoms of senescence and chilling injury. For such, changes in fresh weight, bract color (L*, a* and b*), percentage of absolute integrity (PAI) of cell membranes and leakage of potassium ions (LPI) were determined. The flowering stems were evaluated at five different intervals after harvest (0, 2, 4, 6 and 8 d). A refrigerated treatment (RT) with a temperature of 6.5 C° and 85% relative humidity was compared to a control treatment (CT) at room temperature of 24 C° and 66% relative humidity. Both cultivars stored at 6.5 C°exhibited dryness of bract tissue (symptom of senescence) and dark stains that became brownish and evolved to necrosis (symptom of chilling injury). The visual quality of inflorescences decreased with time in both cultivars maintained without refrigeration. The severity of chilling injury increased with the length of storage time in both cultivars. There was a significant reduction in the fresh weight of inflorescences in both treatments (RT and CT) and both cultivars (LC and HW). Bract color changed in both cultivars at 6.5 C°. There was no change in PAI throughout the eval... Mostrar Tudo |
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Palavras-Chave: |
Fisiologia pós-colheita; Flores tropicais. |
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Thesagro: |
Helicônia. |
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Thesaurus NAL: |
Postharvest physiology. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02799naa a2200253 a 4500
001 1902574
005 2011-11-22
008 2011 bl uuuu u00u1 u #d
100 1 $aCOSTA, A. S.
245 $aCharacterization of symptoms of senescence and chilling injury on inflorescences of Heliconia bihai (L.) cv. Lobster Claw and cv. Halloween.$h[electronic resource]
260 $c2011
300 $a7 p.
520 $aInadequate temperatures during the shipping and commercialization of cut tropical flowers may accelerate the senescence process and cause chilling injury, leading to symptoms that have not yet been described for Heliconia bihai. The aim of the present study was to evaluate physiological responses in cut inflorescences of H. bihai cv. Lobster Claw (LC) and cv. Halloween (HW) as well as symptoms of senescence and chilling injury. For such, changes in fresh weight, bract color (L*, a* and b*), percentage of absolute integrity (PAI) of cell membranes and leakage of potassium ions (LPI) were determined. The flowering stems were evaluated at five different intervals after harvest (0, 2, 4, 6 and 8 d). A refrigerated treatment (RT) with a temperature of 6.5 C° and 85% relative humidity was compared to a control treatment (CT) at room temperature of 24 C° and 66% relative humidity. Both cultivars stored at 6.5 C°exhibited dryness of bract tissue (symptom of senescence) and dark stains that became brownish and evolved to necrosis (symptom of chilling injury). The visual quality of inflorescences decreased with time in both cultivars maintained without refrigeration. The severity of chilling injury increased with the length of storage time in both cultivars. There was a significant reduction in the fresh weight of inflorescences in both treatments (RT and CT) and both cultivars (LC and HW). Bract color changed in both cultivars at 6.5 C°. There was no change in PAI throughout the evaluation period in the inflorescences stored at room temperature, whereas those stored at 6.5 C°for 6 and 8 d had lower PAI values. The inflorescences in the control treatment underwent no change in LPI values, whereas those stored under refrigeration had increased LPI values after the sixth day of storage. The physiological responses of cut Heliconia flowers were influenced by storage period and temperature, as demonstrated by visual symptoms of chilling injury and senescence.
650 $aPostharvest physiology
650 $aHelicônia
653 $aFisiologia pós-colheita
653 $aFlores tropicais
700 1 $aNOGUEIRA, L. C.
700 1 $aSANTOS, V. F. dos
700 1 $aFINGER, F. L.
700 1 $aCAMARA, T. R.
700 1 $aLOGES, V.
700 1 $aWILLADINO, L.
773 $tPostharvest Biology and Technology, Amsterdam,The Netherlands$gv.59, p. 103-109, 2011.
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