Acta Scientiarum Agronomy: Recent submissions

  • Desenvolvimento de Planococcus citri (Risso, 1813) (Hemiptera: Pseudococcidae) em cafeeiros
    Santa-Cecília, Lenira Viana Costa; Correa, Lílian Roberta Batista; Souza, Brígida; Prado, Ernesto; Alcantra, Eliana (Editora da Universidade Estadual de Maringá - EDUEM, 2009-01)
    A cochonilha Planococcus citri (Risso, 1813) suga a seiva dos botões florais e frutos do cafeeiro, atacando as rosetas desde a floração até a colheita. Embora seja relatada há alguns anos na cafeicultura, são escassas as ...
  • Multivariate analysis of sensory characteristics of coffee grains (Coffea arabica L.) in the region of upper Paranaíba
    Pereira, Marcelo Cláudio; Chalfoun, Sara Maria; Carvalho, Gladyston Rodrigues de; Savian, Taciana Villela (Editora da Universidade Estadual de Maringá - EDUEM, 2010-10)
    This study aimed to examine the sensory characteristics of the grains of 21 cultivars of Coffea arabica L. and Coffea canephora Pierre from the essays of genetic improvement of EPAMIG, located in Patrocínio Municipality, ...
  • Variação de diferentes tempos de revolvimento em secador de camada fixa para café
    Greco, Marcelo; Campos, Alessandro Torres; Klosowski, Elcio Silvério (Editora da Universidade Estadual de Maringá - EDUEM, 2010-10)
    Objetivou-se no presente trabalho avaliar a eficiência energética na secagem de café (Coffea arabica L.) em secador de camada fixa, empregando-se diferentes combinações de tempo de revolvimento. O experimento foi realizado ...
  • Inibição in vitro de fungos toxigênicos por Pichia sp. e Debaryomyces sp. isoladas de frutos de café (Coffea arabica)
    Ramos, Darlê Martins Barros; Silva, Cristina Ferreira; Batista, Luís Roberto; Schwan, Rosane Freitas (Editora da Universidade Estadual de Maringá - EDUEM, 2010-07)
    O café é um produto nacional com grande expressão para a economia brasileira. O uso excessivo de fungicidas tem levado a pesquisas sobre formas alternativas como o controle biológico. Objetivou-se avaliar o potencial ...
  • Modeling of the shrinkage kinetics of coffee berries during drying
    Oliveira, Gabriel Henrique Horta; Corrêa, Paulo Cesar; Botelho, Fernando Mendes; Goneli, André Luis Duarte; Afonso Júnior, Paulo Cesar; Campos, Sílvia Carvalho (Editora da Universidade Estadual de Maringá - EDUEM, 2011-07)
    The effects of drying conditions on the shrinkage of Coffea arabica L., cultivar Catuaí Vermelho, were studied. An exponential model derived from the kinetic model was used to describe the shrinkage kinetics. In addition, ...
  • Microclimate in coffee plantation grown under grevillea trees shading
    Pezzopane, José Ricardo Macedo; Souza, Paulo Sérgio de; Rolim, Glauco de Souza; Gallo, Paulo Boller (Editora da Universidade Estadual de Maringá - EDUEM, 2011-04)
    Measurements of solar global radiation, wind speed, temperature and relative humidity of air were made in a coffee plantation (Coffea Arabica L. variety Icatu Vermelho- IAC 4045), grown under conditions of shading levels ...
  • Multiplication of embryogenic calli in Coffea arabica L.
    Rezende, Juliana Costa de; Carvalho, Carlos Henrique Siqueira de; Santos, Ana Carolina Ramia; Pasqual, Moacir; Teixeira, João Batista (Editora da Universidade Estadual de Maringá - EDUEM, 2012-01)
    The goal of this project was to evaluate the embryogenic callus induction of two Coffea arabica clones selected for their characteristics of rust resistance and high yield, as well as to compare their multiplication in two ...
  • Comparison between grafting and cutting as vegetative propagation methods for conilon coffee plants
    Andrade Júnior, Saul de; Alexandre, Rodrigo Sobreira; Schmildt, Edilson Romais; Partelli, Fábio Luiz; Ferrão, Maria Amélia Gava; Mauri, Aldo Luiz (Editora da Universidade Estadual de Maringá - EDUEM, 2013-10)
    The purpose of this study was to assess the growth of conilon coffee tree plantlets that were propagated by grafting and cutting. The experiment was conducted at the plantlet production site of Incaper’s Experimental Farm ...
  • Characterizing zinc use efficiency in varieties of Arabica coffee
    Pedrosa, Adriene Woods; Martinez, Hermínia Emilia Prieto; Cruz, Cosme Damião; DaMatta, Fábio Murilo; Clemente, Junia Maria; Neto, Ana Paula (Editora da Universidade Estadual de Maringá - EDUEM, 2013-07)
    Among micronutrients, zinc (Zn) is important for coffee tree cultivation, especially in the clayey acid soils of Brazil’s southeast region, where coffee production is an important activity. This study aimed to evaluate the ...
  • Photosynthetic activity of coffee after application of glyphosate subdoses
    Carvalho, Felipe Paolinelli de; França, André Cabral; Lemos, Vinícius Teixeira; Ferreira, Evander Alves; Santos, José Barbosa dos; Silva, Antonio Alberto da (Editora da Universidade Estadual de Maringá - EDUEM, 2013-01)
    Farmers use non-selective herbicides, such as glyphosate, in directed applications to control weeds in coffee crops. Despite the precautions used during the application of herbicides, there are usually reports of poisoning ...
  • Test procedure for variable rate fertilizer on coffee
    Molin, José Paulo; Motomiya, Anamari Viegas de Araujo; Frasson, Flavia Roncato; Faulin, Gustavo Di Chiacchio; Tosta, Wanderson (Editora da Universidade Estadual de Maringá - EDUEM, 2010-10)
    The objective was to develop and test a procedure for applying variable rates of fertilizers and evaluate yield response in coffee (Coffea arabica L.) with regard to the application of phosphorus and potassium. The work ...
  • Analysis of the coffee harvesting process using an electromagnetic shaker
    Santos, Fábio Lúcio; Queiroz, Daniel Marçal de; Pinto, Francisco de Assis de Carvalho; Santos, Nerilson Terra (Editora da Universidade Estadual de Maringá - EDUEM, 2010-07)
    Harvesting is one of the most important operations in coffee production systems. This operation has a high cost and impact on the final quality of the product. To reduce production costs, producers are looking for ways to ...
  • Perdas térmicas em secador de café
    Greco, Marcelo; Campos, Alessandro Torres; Klosowski, Elcio Silvério (Editora da Universidade Estadual de Maringá - EDUEM, 2010-04)
    Este trabalho teve como objetivo avaliar a redução da temperatura nas partes externas de um secador de camada fixa para café, mediante diferentes combinações de tempo de revolvimento, utilizando-se termômetro sem contato. ...
  • A irrigação do cafezal como alternativa econômica ao produtor
    Arêdes, Alan Figueiredo de; Pereira, Matheus Wemerson Gomes; Santos, Maurinho Luiz dos (Editora da Universidade Estadual de Maringá - EDUEM, 2010-04)
    Este trabalho objetivou verificar a viabilidade econômica da produção irrigada de café com pivô central em regiões com condições pluviométricas favoráveis à produção. Foram analisados quatro cenários para o nível de preços ...
  • Proteolytic activities of bacteria, yeasts and filamentous fungi isolated from coffee fruit (Coffea arabica L.)
    Rodarte, Mirian Pereira; Dias, Disney Ribeiro; Vilela, Danielle Marques; Schwan, Rosane Freitas (Editora da Universidade Estadual de Maringá - EDUEM, 2011-07)
    One hundred forty-four microorganisms previously isolated from coffee fruit (Coffea arabica) were grown on casein agar to evaluate their proteolytic activities. Fifty percent of filamentous fungi, 52.5% of bacteria and ...
  • Water use efficiency by coffee arabica after glyphosate application
    Carvalho, Felipe Paolinelli de; França, André Cabral; Souza, Bruna Pereira de; Fialho, Cíntia Maria Teixeira; Santos, José Barbosa dos; Silva, Antonio Alberto da (Editora da Universidade Estadual de Maringá - EDUEM, 2014-07)
    Many coffee growers apply glyphosate in directed applications, but some phytotoxicity has been noted. It is believed some herbicides can exert a direct or indirect negative effect on photosynthesis by reducing the metabolic ...
  • Growth effects of water excess on coffee seedlings (Coffea arabica L.)
    Silveira, Helbert Rezende de Oliveira; Santos, Meline de Oliveira; Alves, Jose Donizeti; Souza, Kamila Rezende Dázio de; Andrade, Cinthia Aparecida; Alves, Raphaella Gomes Martins (Editora da Universidade Estadual de Maringá - EDUEM, 2014-04)
    The objective of the present study was to evaluate the interference of water excess in soil on the growth of young coffee plants of the Mundo Novo and Catuaí cultivars.Plants were subjected to the following three different ...
  • Effects of nitrogen and potassium on the chemical composition of coffee beans and on beverage quality
    Clemente, Junia Maria; Martinez, Herminia Emilia Prieto; Alves, Leonardo Corrêa; Finger, Fernando Luíz; Cecon, Paulo Roberto (Editora da Universidade Estadual de Maringá - EDUEM, 2015-07)
    The ratio of nitrogen (N) to potassium (K) is important in the production of specialty coffees because the relative amounts of N and K can either suppress the formation or increase the concentration of compounds that are ...
  • Vegetative growth of Conilon coffee plants under two water conditions in the Atlantic region of Bahia State, Brazil
    Covre, André Monzoli; Partelli, Fábio Luiz; Bonomo, Robson; Braun, Heder; Ronchi, Cláudio Pagotto (Editora da Universidade Estadual de Maringá - EDUEM, 2016-10)
    Extreme temperatures and persistent water stress stand out among the main factors that restrict the vegetative growth and productivity of Coffea canephora. The objective of this study was to evaluate the vegetative growth ...
  • Image analysis of coffee seeds submitted to the LERCAFE test
    Ribeiro, Bárbara Gomes; Abraão, Christovão Pereira; Nery, Marcela Carlota; Nacimento, Rodrigo Marques; Rezende, Juliana Costa; Fialho, Cíntia Maria Teixeira (Editora da Universidade Estadual de Maringá - EDUEM, 2016-07)
    The aim of this experiment was to quantify the stained areas of coffee seeds submitted to the LERCAFE test using image analysis. The seeds used were of the Catuaí Vermelho IAC 99 and Paradise cultivars. The physiological ...

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