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Análise multivariada de atributos nutricionais associados ao "bitter pit" em maçãs 'Gala'. Repositório Alice
AMARANTE, C.V.T. do; CHAVES, D.V.; ERNANI, P.R..
O objetivo deste trabalho foi identificar atributos nutricionais, quantificados na polpa e na casca dos frutos, que melhor discriminam quanto à severidade de "bitter pit" em maçãs 'Gala'. Depois de quatro meses de armazenamento em atmosfera normal (0-1°C; 90-95% UR), os frutos foram separados em quatro lotes, de acordo com a severidade de incidência de "bitter pit": nula (nenhuma lesão por fruto), baixa (1-2 lesões por fruto), moderada (3-4 lesões por fruto) e alta (5-13 lesões por fruto). Foram determinados os teores de Ca, Mg, K e N na casca e na polpa em frutos individuais (doze frutos de cada lote). A análise univariada mostrou que os frutos com sintomas de "bitter pit" apresentaram menor teor de Ca na casca e na polpa, maior teor de K na casca e...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Malus domestica; Nutrição mineral; Análise canônica discriminante; Distúrbio fisiológico; Qualidade pós-colheita; Mineral nutrition; Canonical discriminant analysis; Physiological disorder; Postharvest quality.
Ano: 2006 URL: http://www.alice.cnptia.embrapa.br/handle/doc/118978
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Anatomical alterations in taro corms with "metsubure" symptoms Horticultura Brasileira
Pereira,Francisco HF; Puiatti,Mário; Meira,Renata MSA; Fontes,Paulo CR.
Taro plants present high Ca absorption. There is evidence that the disorder "metsubure" is of nutritional origin being attributed to calcium deficiency. The metsubure is characterized by the corm apical bud suppression and a smooth lesion in the apex. This disorder reduces the taro corms value as food and hinders their utilization as a propagative material in commercial fields. In subterranean structures, Ca deficiency is believed to be more harmful to the vascular tissue cells since they have thicker walls than other tissue cells. Thus, this work aimed to characterize the anatomical changes in taro corms (Colocasia esculenta), cv. Chinese (BGH 5928) with "metsubure" symptoms. For this, corms with and without this symptom were obtained from plants grown in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Colocasia esculenta; Mineral nutrition; Physiological disorder; Eddoe.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362012000400022
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Carryover of tembotrione and atrazine affects yield and quality of potato tubers Agronomy
Reis, Marcelo Rodrigues; Aquino, Leonardo Ângelo; Melo, Christiane Augusta Diniz; Silva, Daniel Valadão; Dias, Roque Carvalho.
 Crop rotation improves potato (Solanum tuberosum L.) crops; however, in some cases, it can have some negative effects due to the herbicides previously used in crops under rotation. These effects are the decline in the yield and the appearance of physiological disorders, including cracked tubers, which impair the quality and economic value of the potato. Two field experiments were performed with applications of tembotrione and atrazine, alone or in combination. In the Rio Paranaiba (Minas Gerais State) area, in clay soil, the herbicides were applied at post-emergence in corn (Zea mays L.). After corn harvest and soil preparation, the potatoes were planted. In the Serra do Salitre (Minas Gerais State) area, in the medium texture soil, the herbicides were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Atlantic; Herbicide; Physiological disorder; Solanum tuberosum.; Matologia.
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/35355
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Carryover of tembotrione and atrazine affects yield and quality of potato tubers Agronomy
Reis, Marcelo Rodrigues; Aquino, Leonardo Ângelo; Melo, Christiane Augusta Diniz; Silva, Daniel Valadão; Dias, Roque Carvalho.
 Crop rotation improves potato (Solanum tuberosum L.) crops; however, in some cases, it can have some negative effects due to the herbicides previously used in crops under rotation. These effects are the decline in the yield and the appearance of physiological disorders, including cracked tubers, which impair the quality and economic value of the potato. Two field experiments were performed with applications of tembotrione and atrazine, alone or in combination. In the Rio Paranaiba (Minas Gerais State) area, in clay soil, the herbicides were applied at post-emergence in corn (Zea mays L.). After corn harvest and soil preparation, the potatoes were planted. In the Serra do Salitre (Minas Gerais State) area, in the medium texture soil, the herbicides were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 5.01.03.00-8 Atlantic; Herbicide; Physiological disorder; Solanum tuberosum. Matologia.
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/35355
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Characterization and occurence of eairly softening disorder in 'golden' papaya fruits Rev. Bras. Frutic.
Jacomino,Angelo Pedro; Gallon,Camilla Zanotti; Dias,Ianesmara Soares; Pinto Pereira,Walter Sergio.
The occurrence of green skin and soft pulp in 'Golden' papaya fruit during certain seasons has been reported by farmers in the northern of the state of Espirito Santo, Brazil. The objective of this study was to characterize and determine the occurrence of this disorder, which was referred as "early softening disorder". Fruits were harvested weekly for 11 months (from September to July). The fruits were stored at 10°C, and then fruit flesh firmness and skin color were analyzed. The results of the firmness test were submitted to regression analysis assuming a linear trendline. The slope of the curve was called the 'softening index' (SI). Fruits with early softening are characterized by a loss of firmness in less than 10 days, even when stored under...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Physiological disorder; Flesh softening; Softening index; Carica papaya L.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452010000400039
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Effect of the Cooling System and 1-MCP on the Incidence of Superficial Scald in ‘Granny Smith’ Apples Chilean J. Agric. Res.
Moggia,Claudia; Hernández,Omar; Pereira,Marcia; A. Lobos,Gustavo; Yuri,José Antonio.
A study was carried out to determine the effects of two cooling systems and the application of 1-methylcyclopropene (1-MCP, SmartFreshTM) on the incidence of superficial scald in apples (Malus domestica Borkh.) cv. Granny Smith. Fruit were collected from a commercial orchard (Colbún, Maule Region, Chile) during 2004-2005 season. A completely randomized design was used in a 2 x 2 factorial arrangement, using cooling systems (normal and step-wise cooling) and application of 1-MCP (0 and 625 nL L-1 i.a.) as the main factors. Fruit from normal cooling were kept at 0 °C throughout the storage period (180 days). Step-wise cooling consisted of storing the fruit at 10 °C for 10 days; 4 °C for the next 20 days and 0 °C for the remaining 150 days. Every month,...
Tipo: Journal article Palavras-chave: Conjugated trienes; Antioxidants; -farnesene; 1-methylcyclopropene; Physiological disorder; Ethylene.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392009000300011
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Ethanol vapor treatment of ‘Laetitia’ plums stored under modified atmosphere Rev. Bras. Frutic.
Nunes,Francielle Regina; Steffens,Cristiano André; Heinzen,Angélica Schmitz; Soethe,Cristina; Moreira,Marcelo Alves; Amarante,Cassandro Vidal Talamini do.
Abstract The objective of this work was to evaluate the effect of ethanol vapor during storage in modified atmosphere on the ripening and maintenance of the postharvest quality of ‘Laetitia’ plums. The plums were obtained from an orchard in the municipality of Lages, SC. The experimental design adopted was completely randomized. The treatments evaluated were ethanol vapor doses (0, 2, 4, 6 and 8 mL kg-1 of fruit). The fruits were stored at 0.5±0.2°C and 92±2% RH for 30 days. Upon their removal from storage followed by another three days in room conditions (20±5ºC and 63±2% RH), the fruits were evaluated in relation to their physical and chemical attributes, incidence and intensity of internal browning, quantification of ethanol, acetaldehyde and ethyl...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Prunus salicina L.; Postharvest; Physiological disorder.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452019000500301
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Fruit quality preservation of 'Laetitia' plums under controlled atmosphere storage Anais da ABC (AABC)
STEFFENS,CRISTIANO ANDRÉ; AMARANTE,CASSANDRO V.T. DO; ALVES,ERLANI O.; BRACKMANN,AURI.
The objective of this study was to evaluate the effect of controlled atmosphere (CA) on quality preservation of ‘Laetitia’ plums, mainly on internal breakdown, in order to determine the best CA storage conditions. Two experiments were carried out one in 2010, and another in 2011. In 2010, besides cold storage (CS; 21.0 kPa O2 + 0.03 kPa CO2), the fruits were stored under the following CA conditions (kPa O2+kPa CO2): 1+3, 1+5, 2+5, 2+10, and 11+10. In 2011, the fruits were stored under CS and CA of 1+0, 1+1, 2+1, and 2+2. The fruit stored under different CA conditions had lower respiration and ethylene production, better preservation of flesh firmness, texture and titratable acidity, lower skin red color, and lower incidence of skin cracking than the fruit...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Prunus salicina; Postharvest; Ripening; Physiological disorder.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652014000100485
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Mechanisms regulating bitter pit development in Greensleeves apples with suppression of ethylene biosynthesis. Repositório Alice
FREITAS, S. T. de; AMARANTE, C. V. T.; MITCHAM, E. J..
The objectives of this study were to understand the role of ethylene and nutrients (Ca2+,Mg2+, K+ and N) on bitter pit (BP) development in wild type (GS) and ethylene suppressed (68G and 103Y) Greensleeves apples. The transgenic line 68G is suppressed for 1-aminocyclopropane-1-carboxylic acid (ACC) oxidase (ACO) and line 103Y is suppressed for ACC synthase (ACS). Suppression of ethylene biosynthesis reduced BP incidence and severity. Lower ethylene biosynthesis, in ethylene-suppressed genotypes, had no effect on Ca2+, Mg2+, K+ and N concentrations in fruit cortical tissue. In all genotypes, fruit with BP had lower Ca2+ and higher Mg2+ concentrations and higher Mg2+/Ca2+ ratio in cortical tissue. The results indicate that high levels of ethylene...
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Malus domestica; Cálcio; ACCO; ACCS; Desordem fisiológica; Distúrbio fisiológico; Bitter pit; Maçã; Apple; Physiological disorder.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1020458
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Methods of fruit tissue sampling to quantify calcium and magnesium contents to segregate apples for Bitter Pit incidence. Repositório Alice
AMARANTE, C. V. T.; STEFFENS, C. A.; MIQUELOTO, A.; SANTOS, A. dos; DENARDI, V.; FREITAS, S. T. de.
This study was carried out to identify the best fruit tissue sampling method to assess Ca and Mg contents in apple cultivars with low (Fuji) and high (Catarina) susceptibility to BP, aiming to segregate apples for BP incidence.
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Malus domestica; Maçã; Fisiologia vegetal; Pós-colheita; Mineral content; Tissue sampling; Physiological disorder; Apple.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1026351
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Multivariate analysis of mineral content associated with flesh browning disorder in ‘Fuji’ apples produced in Southern Brazil Bragantia
Corrêa,Thais Roseli; Steffens,Cristiano André; Amarante,Cassandro Vidal Talamini do; Miqueloto,Aquidauana; Brackmann,Auri; Ernani,Paulo Roberto.
ABSTRACT Flesh browning is a physiological disorder that occurs in ‘Fuji’ apples during storage, which causes considerable postharvest losses of fruit produced in Southern Brazil. This work aimed to assess the mineral attributes [Ca; Mg and K contents and the Mg/Ca; K/Ca and (K + Mg)/Ca ratios] associated with the flesh browning disorder incidence, as well as to identify which of these mineral attributes better discriminate the differences in the degree of susceptibility to flesh browning disorder in ‘Fuji’ apples stored under controlled atmosphere (CA; 1.2 kPa O2 + 2.0 kPa CO2 and 1.2 kPa O2 + < 0.5 kPa CO2; 0.5 ± 0.1 °C and 96 ± 2% RH, during an 8-month period). Apples from 2 orchards in Fraiburgo, Santa Catarina, 3 orchards in São Joaquim, Santa...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Malus domestica; Physiological disorder; Canonical discriminant analysis; Calcium.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052017000200327
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O teor de cálcio na casca é indicativo da suscetibilidade ao "bitter pit" em maçãs 'fuji' Rev. Bras. Frutic.
Amarante,Cassandro Vidal Talamini do; Ernani,Paulo Roberto; Steffens,Cristiano André; Argenta,Luiz Carlos.
Este trabalho objetivou identificar os atributos minerais na casca e na polpa, relacionados à severidade de "bitter pit" em maçãs 'Fuji'. Os frutos foram colhidos em pomar comercial do município de Lages-SC, e armazenados durante quatro meses em câmara fria convencional (0±0,4°C e 90-95% de umidade relativa). Posteriormente, foram separadas em quatro lotes, de acordo com a severidade de "bitter pit": nula (0 lesão/fruto), baixa (1-2 lesões/fruto), moderada (3-4 lesões/fruto) e alta (5-16 lesões/fruto), com 15 frutos (repetições) em cada nível de severidade. Os frutos de cada lote foram analisados individualmente quanto aos teores de Ca, Mg, K e N, na casca e na polpa. Na análise univariada dos teores minerais da polpa, observou-se aumento nos níveis de K e...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Malus domestica; Fruit quality; Mineral nutrition; Physiological disorder; Multivariate analysis.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452011000100023
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Peteca rind pitting as influenced by proline content in winter lemon albedo Ciencia e Investigación Agraria
Fichet,Thomas; Chamorro,Jorge; Riquelme,Alejandro.
One of the most important problems in lemon growing is the physiological disorder known as "peteca", which is characterized by causing cell dehydration and death in the albedo tissue with a subsequent necrosis of the surface zone of the fruit. This damage shows characteristics quite similar to those resulting from chilling injury in citrus fruit, where surface damage of fruit and dehydration of albedo cells also occur. Resistance to chilling injury shown by grapefruit would be related to increased proline content in the albedo (Purbis, 1981). In this study, proline content of lemons cv. "Fino" 49 from two groves, one in Curacaví (33°25.778 S - 71°02.292 W, 196 m above sea level) and the other in Mallarauco (33°94.984 S - 70°58.921 W, 269 m above sea...
Tipo: Journal article Palavras-chave: Citrus limon; Low temperatures; Physiological disorder.
Ano: 2012 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202012000100017
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Post bloom spraying apple trees with prohexadione-calcium and gibberellic acid affects vegetative growth, fruit mineral content and bitter pit incidence. Repositório Alice
AMARANTE, C.; SILVEIRA, J. P. G.; STEFFENS, C. A.; DENARDI, V.; FREITAS, S. T. de; KATSURAYAMA, J. M..
This study was carried out to assess the effects of post bloom orchard spraying with ProCa and gibberellic acid (GA3) on vegetative growth, fruit mineral content and BP incidence.
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Malus domestica; GA3; Transtorno fisiológico; Crescimento vegetativo; Regulador de crescimento; Maçã; Pós-colheita; Fruta; Anti-gibberellin; Fruit; Calcium; Postharvest; Physiological disorder; Apple.
Ano: 2017 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1080776
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Postharvest treatments to mitigate the internal browning in "Bartlett" pears. Repositório Alice
ANTONIOLLI, L. R.; CZERMAINSKI, A. B. C.; ZUCOLOTO, M.; SIQUEIRA, D. L..
Internal browning is an important disorder in pear fruit which can lead to economic losses. Pears (Pyrus communis L. cv. Bartlett) were harvested at early harvest maturity of 90 N from a commercial orchard in southern Brazil. Methyl jasmonate, ethanol, and 1-methylcyclopropene vapor treatments were carried out for 24 hours in order to mitigate the internal browning disorder. Fruit were stored for up to 150 days at 0 ± 1 °C and 90 ± 5 % RH. Pears exhibited internal browning in 37 % of the control samples after 90 days of cold storage. However, no internal browning symptoms were observed in the 1-MCP treatment. The first symptoms in 1-MCP samples were noticed after 120 days of cold storage (12 %) and reached 100 % in five days at room temperature....
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Cold storage; Pêras Bartlet; Pyrus communis; Pera; Doenca de planta; Fruta de clima temperado; Pyrus communis L; Ethanol; 1-methylcyclopropene; Methyl jasmonate; Physiological disorder.
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1054920
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‘ROCHA’ PEARS STORED UNDER CONTROLLED ATMOSPHERE WITH ULTRA-LOW AND LOW O2 ASSOCIATED WITH DIFFERENT CO2 LEVELS Rev. Bras. Frutic.
MARTIN,MARIUCCIA SCHLICHTING DE; STEFFENS,CRISTIANO ANDRÉ; AMARANTE,CASSANDRO VIDAL TALAMINI DO; BRACKMANN,AURI; RODRIGUES,MARÍLIA FARIAS; SOETHE,CRISTINA.
ABSTRACT The storage of ‘Rocha’ pears under controlled atmosphere (CA) preserves fruit quality for long periods. However, inadequate CA conditions might impair ripening and lead to flesh browning. This research was carried out to assess the effects of CA with ultra-low (ULO), and low O2 (LO) associated with different CO2 levels on ripening and occurrence of flesh browning in ‘Rocha’ pears. Treatments evaluated were: pO2 = 0.5 kPa (ULO) and pCO2 < 0.03 kPa; pO2 = 1.0 kPa (LO) and pCO2 < 0.03 kPa; pO2 = 1.0 kPa and pCO2 = 1.0 kPa; pO2 = 1.0 kPa and pCO2 = 2.0 kPa; and pO2 = 1.0 kPa and pCO2 = 3.0 kPa. A completely randomized experimental design was used, with four replicates. Fruits were harvested in Vacaria, RS, and stored under five CA conditions...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Pyrus communis; Flesh browning; Physiological disorder; Ripening; Texture.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452017000500301
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