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Registros recuperados: 6
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Aminoethoxyvinylglycine: isolated and combined with other growth regulators on quality of ‘Brookfield’ apples after storage Scientia Agricola
Brackmann,Auri; Thewes,Fabio Rodrigo; Anese,Rogerio de Oliveira; Both,Vanderlei; Linke Junior,Wanderlei; Schultz,Erani Eliseu.
Growth regulators are used in the production of apples worldwide, especially to extend the harvest period and maintain postharvest quality. This study aimed to investigate the effects of applying aminoethoxyvinylglycine (AVG) in isolation as well as in combination with other growth regulators and postharvest techniques on the harvest quality and storage potential of ‘Brookfield’ apples (Malus domestica), a ‘Gala’ strain. Fruit receiving AVG only had the highest starch content and the highest titratable acidity at harvest. After 8 months of storage, the AVG + 1-MCP (1-methylcyclopropene) and AVG + ABS (ethylene absorption) conserved higher flesh firmness than to all the other treatments. Naphthaleneacetic acid (NAA) application induced ACC oxidase enzyme...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Malus domestica; Postharvest quality; Skin color; Ethephon; Naphthaleneacetic acid.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162015000300221
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Effect of growth regulators on 'Brookfield' apple gas diffusion and metabolism under controlled atmosphere storage PAB
Brackmann,Auri; Thewes,Fabio Rodrigo; Anese,Rogerio de Oliveira; Both,Vanderlei.
The objective of this work was to evaluate the effect of growth regulators on gas diffusion and on metabolism of 'Brookfield' apple, and to determine their correlation with quality characteristics of fruit stored in controlled atmosphere. A completely randomized design was used with four replicates. After eight months of storage, the effects of water (control), aminoethoxyvinylglycine (AVG), AVG + ethephon, AVG + naphthaleneacetic acid (NAA), ethephon + NAA, sole NAA, 1-MCP, ethylene absorption by potassium permanganate (ABS), AVG + ABS, and of AVG + 1-MCP - applied at different rates and periods - were evaluated on: gas diffusion rate, ethylene production, respiratory rate, internal ethylene concentration, internal CO2 content, mealiness, and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Malus domestica; Aminoethoxyvinylglycine; Ethylene absorption; Fruit quality; 1-methylcyclopropene.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2014000500323
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Estresse inicial por baixo oxigênio seguido do armazenamento em atmosfera controlada de maçãs 'Royal Gala' Rev. Ciênc. Agron.
Both,Vanderlei; Brackmann,Auri; Weber,Anderson; Anese,Rogerio de Oliveira; Thewes,Fabio Rodrigo.
O objetivo do presente trabalho foi avaliar a aplicação de estresse inicial por baixo oxigênio e 1-metilciclopropeno (1-MCP) sobre a manutenção de qualidade de maçãs 'Royal Gala' armazenadas em atmosfera controlada (AC). Para tanto, um lote com 50% dos frutos foi tratado com 1-MCP (625 ppb) e destes, a metade, juntamente com a metade daqueles sem aplicação de 1-MCP, foram submetidos a um estresse por baixo oxigênio (0,3 kPa por sete dias), antes de serem armazenados por sete meses, a 0,5 °C e nas seguintes condições de AC: 1,2 kPa O2 + 2,0 kPa CO2; 1,0 kPa O2 + 2,0 kPa CO2; 0,8 kPa O2 + 1,0 kPa CO2; 0,6 kPa O2 + 1,0 kPa CO2 e 0,5 kPa O2 + 1,0 kPa CO2. Após o armazenamento mais sete dias de exposição a 20 °C foram realizadas análises de qualidade nos...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Malus domestica; Etileno; 1-metilciclopropeno (1-MCP).
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902014000400008
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Interaction between maturity stages and temperature on quality of ‘Guarani’ blackberries stored under controlled atmosphere Ciência Rural
Brackmann,Auri; Thewes,Fabio Rodrigo; Anese,Rogerio de Oliveira; Gasperin,Adriano Roque de; Fronza,Diniz.
ABSTRACT: The aim of this research was to evaluate the interaction between maturity stages and temperature on fruit quality of ‘Guarani’ blackberries stored under controlled atmosphere (CA). The experiment was conducted in a factorial scheme (2x2), evaluating two ripening stages (E1: red-color and E2: black-color of fruits) and two temperatures (1°C and 5°C). The fruit were stored in CA (10.0kPa O2+15.0kPa CO2) and 98±1% of relative humidity (RH). Results showed that the principal component 1 (PC I) and principal component 2 (PC II) corresponded to 92.84% of the overall variation of the evaluated variables. Harvest should not be performed in the early maturity stage, because ‘Guarani’ blackberries do not develop all quality of consumer. ‘Guarani’...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Rubus fruticosus; Postharvest; Fruit quality; Small fruit.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017000600780
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Preharvest boron application and its relation with the quality of 'Galaxy' apples after harvest and controlled atmosphere storage Ciência Rural
Brackmann,Auri; Thewes,Fabio Rodrigo; Anese,Rogerio de Oliveira; Linke Junior,Wanderlei.
ABSTRACT: The aim of this research was to evaluate the effect of preharvest boron application on the physical and chemical quality of 'Galaxy' apples after harvest and in controlled atmosphere storage during eight months, plus seven days of shelf life at 20°C. The experiment was performed with two treatments applied on the field: [1] Control (fruit without boron application) and [2] Foliar application of boron (four applications of 1.5kg ha-1). Findings showed that the boron application promoted a higher ethylene production and respiratory rate and it application also reduced the flesh firmness in relation to the fruits without it. A similar result was obtained after eight months of storage plus seven days of shelf life. The preharvest application of boron...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Malus domestica; Decay; Physiological disorders..
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000400585
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Storability of ‘Tupy’ and ‘Guarani’ blackberries in controlled atmosphere Bragantia
Brackmann,Auri; Anese,Rogerio de Oliveira; Thewes,Fabio Rodrigo; Fronza,Diniz; Hamann,Jonas Janner.
ABSTRACT The aim of this work was to compare the storage potential of ‘Guarani’ and ‘Tupy’ blackberries in controlled atmosphere (CA) and thereafter to determinate the best CA storage conditions for ‘Tupy’ blackberries. Two experiments were carried out. In the first one, ‘Guarani’ and ‘Tupy’ blackberries were stored in CA condition (10 kPa O2 + 15 kPa CO2). We found that ‘Tupy’ blackberry has the best storage potential. Therefore, in the second experiment, several CA conditions were evaluated for ‘Tupy’ blackberries storage, as follows: [1] cold storage (CS): 20.9 kPa O2 + 0.04 kPa CO2; [2] CA with 10 kPa O2 + 15 kPa CO2; [3] CA with 5 kPa O2 + 15 kPa CO2; [4] CA with 10 kPa O2 + 10 kPa CO2. All treatments were stored at 1 °C and 98% (± 1) of relative...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Rubus spp.; Oxygen; Carbon dioxide; Conservation; Small fruit.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052016000200240
Registros recuperados: 6
Primeira ... 1 ... Última
 

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