SBICafé
Biblioteca do Café

Navegação Periódicos por título

Navegação Periódicos por título

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  • Ultrastructural damage in coffee seeds exposed to drying and to subzero (°C) temperatures
    Coelho, Stefânia Vilas Boas; Rosa, Sttela Dellyzete Veiga Franco da; Clemente, Aline da Consolação Sampaio; Lacerda, Laura Nardelli Castanheira; Silva, Luciano Coutinho; Fantazzini, Tatiana Botelho; Ribeiro, Fernando Augusto Sales; Castro, Elisa de Melo (Editora UFLA, 2020)
    During drying and freezing, protective mechanisms act to maintain seed physiological quality. Some of these mechanisms contribute to the integrity of cell membranes. The damage caused to cell membranes due to cell stress ...
  • Umidade de equilíbrio de café cereja descascado baseada em métodos estático e dinâmico
    Henao, José D.; Queiroz, Marlene R. de; Haj-Isa, Niurka M.A. (Departamento de Engenharia Agrícola - UFCG, 2009-07)
    Construíram-se as isotermas de dessorção de grãos da espécie Café Arábica (Coffea arábica L.), da cultivar Novo Mundo-Acaiá, para as temperaturas de 50 e 73 °C e teores de mucilagem residual de 16,1 e 52,7%; posteriormente, ...
  • Unsupervised classification of specialty coffees in homogeneous sensory attributes through machine learning
    Ossani, Paulo César; Rossoni, Diogo Francisco; Cirillo, Marcelo Ângelo; Borém, Flávio Meira (Editora UFLA, 2020)
    Brazil is the largest exporter of coffee beans, 29% world exports, 15% this volume in specialty coffees. Thereby researches are done, so that identify different segments in the market, in order to direct the end consumer ...
  • Ursolic acid and cis-tiliroside produced by Merremia tomentosa affect oviposition of Leucoptera coffeella on coffee plants
    Santos Júnior, Helvécio M.; Lopes, Karina C.; Alves, Dejane S.; Carvalho, Geraldo A.; Oliveira, Denilson F. (Sociedade Brasileira de Química, 2018)
    To contribute to the development of new products to control the coffee leaf miner (Leucoptera coffeella), which is a major pest for coffee plants, this work aimed to select plant species able to produce substances active ...
  • Use of by-products generated in the processing of coffee berries: A review
    Foresti Junior, Marcelo Paiva; Siqueira, Juliano Curi de; Souza, Aline dos Reis; Matos, Mateus Pimentel de; Fia, Ronaldo (Universidade Federal de Lavras, 2023-07-17)
    Coffee production plays an essential role in the Brazilian economy, and a large production centre is located in Minas Gerais. In recent years, there has been an increase in coffee cultivation, consequently generating coffee ...
  • Use of Cladosporium sp. as a bioprotector of coffee quality in different post-harvest conditions
    Paiva, Felipe Aparecido de; Melo, Bruno Manoel Rezende de; Ferreira, Sindynara; Oliveira, Emanuelle Morais de; Santos, Telma Miranda dos; Castro, Douglas Goulart (Universidade Federal de Viçosa, 2023-11-13)
    The pre-harvest application of the bioprotective agent Cladosporium cladosporioides is an alternative to inhibit these fermentative processes that might occur in coffee beans that were either their storing bag or exposed ...
  • Use of classifier to determine coffee harvest time by detachment force
    Barros, Murilo M. de; Silva, Fábio M. da; Costa, Anderson G.; Ferraz, Gabriel A. e S.; Silva, Flávio C. da (Departamento de Engenharia Agrícola - UFCG, 2018-09)
    Coffee quality is an essential aspect to increase its commercial value and for the Brazilian coffee business to remain prominent in the world market. Fruit maturity stage at harvest is an important factor that affects the ...
  • Use of Coffee Capsules as Support Material in Upflow Anaerobic Fixed Bed Reactors
    Souza, Gabriela Rezende de; Oliveira, Luiz Fernando Coutinho de; Bello, Italoema Pinheiro; Siniscalchi, Luciene Alves Batista; Fia, Ronaldo; Gandia, Rômulo Marçal (Instituto de Tecnologia do Paraná - Tecpar, 2019)
    The aim of this work is to evaluate the performance of upflow anaerobic fixed bed reactors filled with espresso coffee capsules to treat sanitary sewage. Three reactors (R1, R2 and R3) were constructed in blue PVC pipes ...
  • Use of coffee use (Coffea arabica) pulp for the production of briquettes and pellets for heat generation
    Cubero-Abarca, Robert; Moya, Roger; Valaret, Jorre; Tomazello Filho, Mario (Editora UFLA, 2014-09)
    Coffee bean (Coffea arabica) processing generates high amount of residues that are sources of environmental pollution. Therefore, an appropriate solution is needed. The objective of this study was to determine the potential ...
  • Use of colour parameters for roasted coffee assessment
    Bicho, Natalina Cavaco; Leitão, António Eduardo; Ramalho, José Cochicho; Lidon, Fernando Cebola (Sociedade Brasileira de Ciência e Tecnologia de Alimentos, 2012-07)
    Fast and non-destructive indicators were evaluated as tools to measure the technological quality of Arabica and Robusta coffee. Accordingly, considering the roasting intensity in highly valuable commercial samples, volume, ...
  • Use of data mining and spectral profiles to differentiate condition after harvest of coffee plants
    Lamparelli, Rubens A. C.; Johann, Jerry A.; Santos, Éder R. dos; Esquerdo, Julio C. D. M.; Rocha, Jansle V. (Associação Brasileira de Engenharia Agrícola, 2012-01)
    This study aimed at identifying different conditions of coffee plants after harvesting period, using data mining and spectral behavior profiles from Hyperion/EO1 sensor. The Hyperion image, with spatial resolution of 30 ...
  • Use of different spray volumes and hydraulic nozzles in air-assisted electrostatic insecticide application technologies to control coffee berry borer (Hypothenemus hampei) populations
    Zampiroli, Renan; Parenti, Matheus Vilhena; Alvarenga, Cleyton Batista de; Celoto, Fernando Juari; Cunha, João Paulo Arantes Rodrigues da; Rinaldi, Paula Cristina Natalino (Editora da Universidade Estadual de Maringá - EDUEM, 2022-03-09)
    Chemical control is essential for efficient pest management in coffee crops. Application technologies should safely deliver insecticides to the target whilst protecting the environment, insecticide applicators, and consumers. ...
  • Use of foliar fertilizers as attenuators of injuries caused by glyphosate drift in young coffee plantations
    Gonçalves, Ana Luisa Lucca; Pereira, Gustavo Antônio Mendes; Silva, Larissa Aparecida; Alves, Deivide Patrik; Pucci, Laís Franchini; Gonçalves, Victor Afonso Reis; Reis, Marcelo Rodrigues dos (Editora UFLA, 2020)
    Glyphosate is the most used product for weed control in young coffee planting rows. The application is carried out in a directed way, avoiding the contact of the product with the crop. However, drift and consequent plant ...
  • Use of organic fertilization with irrigation in coffee production in brazilian cerrado
    Fernandes, André Luís Teixeira; Fraga Júnior, Eusímio Felisbino; Santana, Márcio José de; Silva, Reginaldo de Oliveira; Dias, Marcelo Moreira (Instituto de Pesquisas Ambientais em Bacias Hidrográficas, 2020)
    Coffee irrigation has increased in the main Brazilian coffee regions. However, in recent years, with climate change, years with water deficits greater than 150 mm have been observed, affecting the vegetative and productive ...
  • Using fraction images derived from modis data for coffee crop mapping
    Bispo, Rafael C.; Lamparelli, Rubens A. C.; Rocha, Jansle V. (Associação Brasileira de Engenharia Agrícola, 2014-01)
    Coffee production was closely linked to the economic development of Brazil and, even today, coffee is an important product of the national agriculture. The State of Minas Gerais currently accounts for 52% of the whole ...
  • Using unmanned aerial vehicle and machine learning algorithm to monitor leaf nitrogen in coffee
    Parreiras, Taya Cristo; Lense, Guilherme Henrique Expedito; Moreira, Rodrigo Santos; Santana, Derielsen Brandão; Mincato, Ronaldo Luiz (Editora UFLA, 2020)
    Nitrogen is an essential element for coffee production. However, when fertilization do not consider the spatial variability of the agricultural parameters, it can generate economic losses, and environmental impacts. Thus, ...
  • Uso alternado de métodos mecânicos e químicos de controle de ervas daninhas em cafezal
    Silveira, Gastão Moraes da; Kurachi, Sergio Augusto Hiroaki; Fugiwara, Mamor; Fenz, Eduardo (Instituto Agronômico (IAC), 1983)
    Estuda-se, no presente trabalho, a integração de métodos mecânicos (grade, enxada rotativa, roçadeira) com químicos (herbicidas), comparando-os com a capina manual, em tratamentos feitos alternadamente, procurando evitar ...
  • Uso da geoestatística no manejo sustentável de nematoides de galhas do cafeeiro
    Almeida, Leandro da Silva; Guimarães, Ednaldo Carvalho (Editora UFLA, 2017-10)
    Os fitonematoides são uma das principais causas de perdas na cafeicultura. Este trabalho teve por objetivo usar a geoestatística como ferramenta de mapeamento espacial dos fitonematoides, buscando assim o manejo sustentável ...
  • Uso da geotecnologia para caracterizar os cafezais no município de Londrina-PR, em relação à altimetria, declividade e tipo de solo
    Trabaquini, Kleber; Miglioranza, Édison; França, Valmir de; Pereira Neto, Osvaldo C. (Associação Brasileira de Engenharia Agrícola, 2010-11)
    O sensoriamento remoto e o geoprocessamento são ferramentas importantes no apoio aos levantamentos de dados da agricultura. O estudo teve por objetivo relacionar as variáveis físicas, como altimetria, declividade e tipo ...
  • Uso da reidratação e do hipoclorito de sódio para acelerar a emergência de plântulas de cafeeiro
    Lima, Júlien da Silva; Araújo, Eduardo Fontes; Araújo, Roberto Fontes; Dias, Luiz Antônio dos Santos; Dias, Denise Cunha Fernandes dos Santos; Rena, Frederico Cotta (Associação Brasileira de Tecnologia de Sementes, 2012-06-27)
    O objetivo do trabalho foi avaliar o efeito do hipoclorito de sódio na degradação do pergaminho de sementes de cafeeiro reidratadas ou não, e o efeito desta degradação sobre a emergência de plântulas. Amostras de sementes ...

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