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  • 1
    Online Resource
    Online Resource
    Qualidade de pêssegos cv. "Eldorado" tratados com aminoetoxivinilglicina e ethephon e armazenados em atmosfera controlada
    FapUNIFESP (SciELO) ; 2007
    In:  Ciência Rural Vol. 37, No. 1 ( 2007-02), p. 79-84
    Details
    In: Ciência Rural, FapUNIFESP (SciELO), Vol. 37, No. 1 ( 2007-02), p. 79-84
    Abstract: The effect of preharvest application of aminoethoxyvinylglycine (AVG) and ethephon combined with controlled atmosphere (CA) storage conditions on peach fruit (cv. Eldorado) quality maintenance and chilling injury prevention was investigated, aiming at the maritime transport. Treatments evaluated were preharvest application of AVG (125g ha-1 and 250g ha-1 at 15 or 21 days before harvest), ethephon (140g ha-1 7 days before harvest), and control, combined with two CA conditions (1.0kPa O2 + 3.0kPa CO2 and 2.0kPa O2 + 5.0kPa CO2 at 0°C). After 24 days of CA storage plus 2 and 4 days of shelf-life at 15°C, preharvest application of ethephon stimulated fruit ripening by increasing ethylene production and decreasing both flesh firmness and titratable acidity. Application of AVG did not delay fruit ripening. However, fruit treated with 125g ha-1 of AVG at 15 days before harvest showed lower incidence of internal browning than ethephon-treated and control fruit. Furthermore, storage of fruit under CA with 2.0kPa O2 + 5.0kPa CO2 allowed higher titratable acidity and lower incidence of internal browning.
    Type of Medium: Online Resource
    ISSN: 0103-8478
    URL: Article
    DOI: 10.1590/S0103-84782007000100013
    Language: Unknown
    Publisher: FapUNIFESP (SciELO)
    Publication Date: 2007
    detail.hit.zdb_id: 2025834-3
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  • 2
    Online Resource
    Online Resource
    Taxa respiratória de frutas de clima temperado
    FapUNIFESP (SciELO) ; 2007
    In:  Pesquisa Agropecuária Brasileira Vol. 42, No. 3 ( 2007-03), p. 313-321
    Details
    In: Pesquisa Agropecuária Brasileira, FapUNIFESP (SciELO), Vol. 42, No. 3 ( 2007-03), p. 313-321
    Abstract: The objective of this work was to evaluate the effect of ripening stages, temperature and modification of atmosphere during storage on the respiratory rate of some cultivars of apple, persimmon, kiwi and peaches, as well as the relation between respiration rate and storage potential. Evaluated treatments were two ripening stages (mature-green and tree-ripe), three temperatures (0, 10 and 20ºC) and two storage conditions (cold storage and modified atmosphere). The cultivars Gala and Fuji, of apple, Fuyu, Giombo, Rama Forte, Taubaté and Coração de Boi, of persimmon, Bruno and Hayward, of kiwi, Eldorado, Jubileu and Maciel, of peaches were evaluated. 'Gala' apples, stored at 0ºC, and 'Fuji' apples, at 0 and 10ºC, did not show a climateric respiratory rise. Temperature had a strong effect on the respiration; the increment in respiratory rate, by increasing of temperature, varied according to species and temperature. The modification of atmosphere, on average, reduced the respiratory rate in 14.3%, at 0°C. The respiratory rate is influenced by cultivar, temperature of storage and atmosphere modification.
    Type of Medium: Online Resource
    ISSN: 0100-204X
    URL: Article
    DOI: 10.1590/S0100-204X2007000300003
    Language: Unknown
    Publisher: FapUNIFESP (SciELO)
    Publication Date: 2007
    detail.hit.zdb_id: 2053197-7
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  • 3
    Online Resource
    Online Resource
    Armazenamento de mirtilo 'Bluegem' em atmosfera controlada e refrigerada com absorção e inibição do etileno
    FapUNIFESP (SciELO) ; 2010
    In:  Revista Ceres Vol. 57, No. 1 ( 2010-02), p. 6-11
    Details
    In: Revista Ceres, FapUNIFESP (SciELO), Vol. 57, No. 1 ( 2010-02), p. 6-11
    Abstract: The aim of this work was to evaluate storage conditions on the maintenance of the physiochemical qualities in Bluegem blueberry. The experiment was arranged in a complete randomized design , with four replicates and the experimental unit consisted of approximately 400g of fruits. Six storage conditions were evaluated as follows: [ 1 ] Cold storage (CS); [2] CS with ethylene scrubbing; [3] Controlled atmosphere (CA) with 2.0 kPa O2 + 10.0 kPa CO2; [4] CA with 2.0 kPa O2 + 15.0 kPa CO2; [5] CA with 10.0 kPa O2 + 15.0 kPa CO2; [6] CA with 2.0 kPa O2 + 10.0 kPa CO2 with application of 900 ìg kg-1 of 1-methilciclopropene. All treatments were stored at 0.5°C (± 0.1°C). Fruit quality was evaluated after seven weeks of storage plus three more days at 20°C (± 0.2°C). The best 'Bluegem' blueberry conservation was achieved in cold storage, which gave the highest titratable acidity, total soluble solids and percentage of firm fruit, lowest ethylene and CO 2 production as well as the highest anthocyanin and total polyphenolic contents. However, the removal of ethylene in the storage room can prolong fruit conservation.
    Type of Medium: Online Resource
    ISSN: 0034-737X
    URL: Article
    DOI: 10.1590/S0034-737X2010000100002
    Language: Unknown
    Publisher: FapUNIFESP (SciELO)
    Publication Date: 2010
    detail.hit.zdb_id: 2519385-5
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  • 4
    Online Resource
    Online Resource
    Temperatura e umidade relativa na qualidade da tangerina "Montenegrina" armazenada
    FapUNIFESP (SciELO) ; 2008
    In:  Ciência Rural Vol. 38, No. 2 ( 2008-04), p. 340-344
    Details
    In: Ciência Rural, FapUNIFESP (SciELO), Vol. 38, No. 2 ( 2008-04), p. 340-344
    Abstract: This research was conducted in order to evaluate the effect of temperature and relative humidity (RH) on the quality of tangerines during cold storage. The experimental design was entirely randomized, in a bifatorial design with eight replications of 15 fruits. The treatments were the combination of three temperatures (2, 3 and 4oC) and two RH levels (90 and 96%). Evaluations of quality were performed after 8 and 12 weeks of cold storage plus 3 days of shelf life at 20°C. The analyzed parameters were: total titratable acidity (TTA), total soluble solids (TSS), fruits consistency, rot incidence and juiciness. According to the results, fruits stored at 3oC + 90% of RH presented higher TTA, TSS, fruits consistency and lower rot incidence after 8 and 12 weeks of cold storage. The rot incidence increased with high RH (96%). Some pitting caused by low temperature was found at 2oC. There was no difference between treatments for juiciness in both evaluations. The temperature of 3°C with 90% of RH showed the best results on quality maintenance of 'Montenegrina' tangerines, which can be stored during 8 weeks.
    Type of Medium: Online Resource
    ISSN: 0103-8478
    URL: Article
    DOI: 10.1590/S0103-84782008000200007
    Language: Unknown
    Publisher: FapUNIFESP (SciELO)
    Publication Date: 2008
    detail.hit.zdb_id: 2025834-3
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  • 5
    Online Resource
    Online Resource
    Qualidade de melões (Cucumis melo L. var. cantalupensis Naud.), híbrido Torreon, produzidos em hidroponia e armazenados em embalagens de polietileno
    FapUNIFESP (SciELO) ; 2006
    In:  Ciência Rural Vol. 36, No. 4 ( 2006-08), p. 1143-1149
    Details
    In: Ciência Rural, FapUNIFESP (SciELO), Vol. 36, No. 4 ( 2006-08), p. 1143-1149
    Abstract: This study was carried out to evaluate the permeability to O2 and CO2, and gas composition (O2, CO2 and ethylene) inside packages of different thickness and density polyethylene films. Moreover, the physical and chemical quality of Torreon hybrid melon fruit (Cucumis melo L. var. cantalupensis Naud.) grown in a Nutrient Film Technique hydroponic system and stored within polyethylene packages were evaluated. Evaluated treatments were: (1) cold storage (control); packaging with (2) low-density polyethylene (LDPE) of 40µm; (3) LDPE of 60µm; (4) LDPE of 90µm; (5) medium-density polyethylene (MDPE) of 40µm; (6) MDPE of 60µm. Fruits were stored during 25 days at 3.8±0.2°C plus two days of shelf-life at 20°C. LDPE of 60 and 90µm and MDPE of 60µm had lower CO2-permeability, allowing the higher CO2 concentrations inside the packages. LDPE of 90µm had the lowest O2-permeability. Lower ethylene concentration was observed in 40µm-LDPE bags. Packaging decreased drastically fruit weight loss, when compared with non-packaged fruits. Flesh firmness was higher in fruits stored in 40µm-LDPE, but was not different from 40µm-MDPE-stored fruits. Rot incidence in turn was significantly lower in fruits stored in 60µm-LDPE. In general, packaging of ‘Torreon’ melon fruit, grown in a hydroponic system, with the evaluated polyethylene films allowed similar physical and chemical quality.
    Type of Medium: Online Resource
    ISSN: 0103-8478
    URL: Article
    DOI: 10.1590/S0103-84782006000400016
    Language: Unknown
    Publisher: FapUNIFESP (SciELO)
    Publication Date: 2006
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  • 6
    Online Resource
    Online Resource
    Qualidade da maçã "Gala" armazenada em atmosfera controlada associada à absorção e ao controle da síntese e da ação do etileno
    FapUNIFESP (SciELO) ; 2008
    In:  Ciência Rural Vol. 38, No. 8 ( 2008-11), p. 2151-2156
    Details
    In: Ciência Rural, FapUNIFESP (SciELO), Vol. 38, No. 8 ( 2008-11), p. 2151-2156
    Abstract: This research aimed to evaluate the effect of inhibition the ethylene biosynthesis at the pre-harvest stage, the ethylene action and the absorption from the controlled atmosphere storage room on the quality of 'Gala' apples. The experimental design was entirely randomized, with four replicates and the experimental unit composed by 25 fruits. The treatments were: (1) CA storage only (control); (2) pre-harvest application of AVG; (3) AVG + postharvest treatment with 1-MCP; (4) 1-MCP; (5) AVG + ethylene absorption during the storage period; and (6) ethylene absorption. Fruit quality was evaluated after 8 months of storage (CA; 1.2 kPa O2 + 2.5 kPa CO2 at 0°C) and after 7 days at 20°C. AVG-treated fruits showed lower ACC oxidase activity. AVG + 1-MCP and AVG + ethylene absorption decreased the ethylene production until 5 days of shelf-life and maintained higher flesh firmness. AVG-treated fruits had greener skin color, independently of the postharvest handling, showing that the change in the skin background colour is highly related to the pre-harvest ethylene production. The conclusion of this research is that the pre-harvest treatment of fruits with AVG associated with the absorption of ethylene during the storage is more efficient for controlling the ripening process in 'Gala' apples, nevertheless the application of AVG associated with postharvest application of 1-MCP is also efficient.
    Type of Medium: Online Resource
    ISSN: 0103-8478
    URL: Article
    DOI: 10.1590/S0103-84782008000800010
    Language: Unknown
    Publisher: FapUNIFESP (SciELO)
    Publication Date: 2008
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  • 7
    Online Resource
    Online Resource
    Thidiazuron affects the quality of 'Gala' apples stored under controlled atmosphere
    FapUNIFESP (SciELO) ; 2010
    In:  Ciência Rural Vol. 40, No. 4 ( 2010-04), p. 813-819
    Details
    In: Ciência Rural, FapUNIFESP (SciELO), Vol. 40, No. 4 ( 2010-04), p. 813-819
    Abstract: O objetivo deste trabalho foi avaliar o efeito da aplicação de thidiazuron (TDZ) na qualidade de maçãs 'Gala' armazenadas em condições de atmosfera controlada (AC). Avaliou-se o efeito do TDZ nas doses de 0, 10, 20 e 40g ha-1 (i.a.), aplicadas no pleno florescimento. Após a colheita, os frutos foram armazenados em condições de AC com 1,0+2,5; 1,5+2,5 ou 1,5+5,0 (kPa de O2+kPa de CO2), ambas a 0,5°C. Além disso, a pressão parcial de 1,5kPa de O2+2,5kPa de CO2 também foi avaliada a -0,5°C. Doses de TDZ entre 20 e 40g ha-1 mantiveram maior firmeza da polpa e acidez titulável. Além disso, essas mesmas doses reduziram a atividade respiratória e a incidência de degenerescência da polpa, de polpa farinhenta e de podridões. A aplicação pré-colheita de TDZ, especialmente em doses entre 20 e 40g ha-1, melhora a qualidade de maçãs 'Gala' armazenadas em AC por até oito meses. Em relação às condições de AC avaliadas, o uso de 1,0kPa de O2+2,5kPa de CO2 a 0,5°C resultou em frutos mais firmes e com maior acidez titulável, além de menor incidência de degenerescência da polpa, de polpa farinhenta e de podridões.
    Type of Medium: Online Resource
    ISSN: 0103-8478
    URL: Article
    DOI: 10.1590/S0103-84782010000400011
    Language: Unknown
    Publisher: FapUNIFESP (SciELO)
    Publication Date: 2010
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  • 8
    Online Resource
    Online Resource
    Armazenamento de pêssegos cv. "Granada" em atmosfera controlada, visando ao transporte a longas distâncias
    FapUNIFESP (SciELO) ; 2007
    In:  Ciência Rural Vol. 37, No. 3 ( 2007-06), p. 676-681
    Details
    In: Ciência Rural, FapUNIFESP (SciELO), Vol. 37, No. 3 ( 2007-06), p. 676-681
    Abstract: This research was aimed at evaluating controlled atmosphere (CA) and temperature conditions for storing of cv. Granada peach fruit harvested at two ripening stages aiming the transport of fruit for distant market, such as Europe. Treatments evaluated were six storage conditions and two ripening stages. The storage conditions were: [1] cold storage (20.8kPa de O2 + 〈 0.5kPa de CO2); controlled atmosphere (CA) conditions with [2] 6.0kPa de O2 + 15.0kPa de CO2; [3] 1.0kPa de O2 + 3.0kPa de CO2; [4] 1.0kPa de O2 + 〈 0.5kPa de CO2, all at +0.5°C. Moreover, CA with 2.0kPa O2 + 5.0kPa CO2 was evaluated both at [5] +0.5°C and [6] -0.5°C. Fruits were harvested either at the breaking stage or at the half-ripe ripening stage and stored in the conditions cited above. The harvest of cv. Granada peaches in the breaking stage (greeny background color of the skin) is the most suitable, because although not affecting the physical and chemical quality, these fruits showed a reduced incidence of flesh browning and rot. For short-term storage (25 days), controlled atmosphere did not significantly improve fruit quality in relation to cold storage.
    Type of Medium: Online Resource
    ISSN: 0103-8478
    URL: Article
    DOI: 10.1590/S0103-84782007000300012
    Language: Unknown
    Publisher: FapUNIFESP (SciELO)
    Publication Date: 2007
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  • 9
    Online Resource
    Online Resource
    Temperatura, baixo oxigênio e 1-metilciclopropeno na conservação da qualidade de caqui "Fuyu"
    FapUNIFESP (SciELO) ; 2007
    In:  Ciência Rural Vol. 37, No. 5 ( 2007-10), p. 1287-1294
    Details
    In: Ciência Rural, FapUNIFESP (SciELO), Vol. 37, No. 5 ( 2007-10), p. 1287-1294
    Abstract: The present research was aimed at evaluating the effect of different levels of O2, CO2 and application of 1-MCP (1-methylcyclepropene) on the quality of 'Fuyu' persimmon stored in controlled atmosphere at 10°C. The treatments evaluated came from the combination of two harvest stages (green-yellow and yellow) and storage conditions with: 20.8kPa O2 + 〈 0.5kPa CO2 (Cold Storage - CS); 20.8kPa O2 + 〈 0.5kPa CO2 plus application of 1-MCP; 2.0kPa O2 + free CO2; 1.0kPa O2 + free CO2; 2.0kPa O2 + free CO2 plus application of 1-MCP; 〉 10.0kPa O2 + 12.0kPa CO2; 〉 10.0kPa O2 + 6.0kPa CO2, all treatment at 10°C; and 20.8kPa O2 + 〈 0.5kPa CO2 (CS) at -0.5°C. At chamber opening, incidence of skin browning was lower on fruits stored at -0.5°C. Fruits stored at 10°C, especially in the controlled atmosphere conditions 1.0kPa O2 + free CO2 and 2.0 kPa O2 + free CO2 plus application of 1-MCP, showed higher percentage of firm fruits and lower decay incidence in 'Fuyu' persimmon after 17 days at of storage 10°C.
    Type of Medium: Online Resource
    ISSN: 0103-8478
    URL: Article
    DOI: 10.1590/S0103-84782007000500011
    Language: Unknown
    Publisher: FapUNIFESP (SciELO)
    Publication Date: 2007
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  • 10
    Online Resource
    Online Resource
    Inibição da ação do etileno e temperatura de armazenamento no padrão de amadurecimento de tomates
    FapUNIFESP (SciELO) ; 2009
    In:  Ciência Rural Vol. 39, No. 6 ( 2009-07-03), p. 1688-1694
    Details
    In: Ciência Rural, FapUNIFESP (SciELO), Vol. 39, No. 6 ( 2009-07-03), p. 1688-1694
    Abstract: This research aimed to evaluate the effect of inhibiting the ethylene action on the ripening and on the development of chilling injury in non-long life 'Monte Carlo' tomatoes. The experiment was a fatorial (3x2), with storage temperature (20°C, 10°C and 5°C) and the treatment or not of 1.0µL L-1 of 1-methylcyclopropene (1-MCP), a compound that blocks the ethylene action. After 14 days of storage, two distinct patterns of ripening dependents on the storage temperature were observed. The storage under 5°C led the fruits to develop chilling injury (CI). Although CI-affected fruits showed higher ethylene production, they did not ripen properly, suggesting that CI results in a lack of ethylene sensitivity in tomatoes. On the other hand, above chilling temperatures, 1-MCP treatment not only reduced the ethylene synthesis, but also inhibited the ripening process. The inhibitory effect of 1-MCP was, however, significantly longer at 10°C as compared to 20°C. The quality of non-long-life tomato fruits can be maintained during 14 days either by storing at 10°C or by applying 1-MCP at 20°C.
    Type of Medium: Online Resource
    ISSN: 1678-4596
    URL: Article
    DOI: 10.1590/S0103-84782009005000130
    Language: Unknown
    Publisher: FapUNIFESP (SciELO)
    Publication Date: 2009
    detail.hit.zdb_id: 2025834-3
    SSG: 7,36
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