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Registros recuperados: 9
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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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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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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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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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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
Registros recuperados: 9
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