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![](/consulta/web/img/deny.png) | Acesso ao texto completo restrito à biblioteca da Embrapa Cocais. Para informações adicionais entre em contato com cpacp.biblioteca@embrapa.br. |
Registro Completo |
Biblioteca(s): |
Embrapa Cocais. |
Data corrente: |
05/10/2011 |
Data da última atualização: |
22/11/2011 |
Autoria: |
COSTA, A. S.; NOGUEIRA, L. C.; SANTOS, V. F. dos; FINGER, F. L.; CAMARA, T. R.; LOGES, V.; WILLADINO, L. |
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. |
Título: |
Characterization of symptoms of senescence and chilling injury on inflorescences of Heliconia bihai (L.) cv. Lobster Claw and cv. Halloween. |
Ano de publicação: |
2011 |
Fonte/Imprenta: |
Postharvest Biology and Technology, Amsterdam,The Netherlands, v.59, p. 103-109, 2011. |
Páginas: |
7 p. |
Idioma: |
Inglês |
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 |
Palavras-Chave: |
Fisiologia pós-colheita; Flores tropicais. |
Thesagro: |
Helicônia. |
Thesaurus Nal: |
Postharvest physiology. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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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Embrapa Cocais (CPACP) |
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Registro Completo
Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
Data corrente: |
23/06/1998 |
Data da última atualização: |
08/09/2021 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
CARVALHO, T. V. C.; SALLES, H. O.; SOARES, A. T.; FREITAS, V. J. F. |
Afiliação: |
Universidade Estadual do Ceará (UECe) - Fortaleza, CE; Hévila Oliveira Salles, CNPC; CNPC; Universidade Estadual do Ceará (UECe) - Fortaleza, CE. |
Título: |
Sincronização do estro e taxa de ovulação em cabras SRD utilizadas como receptoras em programas de transferência de embriões. |
Ano de publicação: |
1997 |
Fonte/Imprenta: |
Arquivos da Faculdade de Veterinária UFRGS, v. 25, n. 1, supl, p. 202, 1997. |
Idioma: |
Português |
Notas: |
Anais da 12. Reunião Anual da Sociedade Brasileria de Transferência de Embriões, 1997, Foz do Iguaçu. |
Thesagro: |
Cabra; Caprino; Ciclo estral; Indução; Ovulação; Reprodução animal; Transferência de embrião. |
Thesaurus NAL: |
Animal reproduction; Embryo transfer; Estrous cycle; Estrus synchronization; Goats; Ovulation. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/59524/1/RAC-Sincronizado-do-estro.pdf
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Marc: |
LEADER 01029nam a2200301 a 4500 001 1514963 005 2021-09-08 008 1997 bl uuuu u00u1 u #d 100 1 $aCARVALHO, T. V. C. 245 $aSincronização do estro e taxa de ovulação em cabras SRD utilizadas como receptoras em programas de transferência de embriões.$h[electronic resource] 260 $aArquivos da Faculdade de Veterinária UFRGS, v. 25, n. 1, supl, p. 202$c1997 500 $aAnais da 12. Reunião Anual da Sociedade Brasileria de Transferência de Embriões, 1997, Foz do Iguaçu. 650 $aAnimal reproduction 650 $aEmbryo transfer 650 $aEstrous cycle 650 $aEstrus synchronization 650 $aGoats 650 $aOvulation 650 $aCabra 650 $aCaprino 650 $aCiclo estral 650 $aIndução 650 $aOvulação 650 $aReprodução animal 650 $aTransferência de embrião 700 1 $aSALLES, H. O. 700 1 $aSOARES, A. T. 700 1 $aFREITAS, V. J. F.
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