Periódicos: Recent submissions

  • Analysis of defects in coffee beans compared to biplots for simultaneous tables
    Brighenti, Carla Regina Guimarães; Cirillo, Marcelo Angelo (Universidade Federal do Ceará, 2018-01)
    The demand for high quality coffee has become a consolidated criterion to achieve the best prices. Currently, cooperatives evaluate the coffee beans mainly through the particle size and the number of defects in the sample. ...
  • Variabilidade espacial de macronutrientes em uma lavoura de café conilon no norte do Espírito Santo
    Santos, Eduardo Oliveira de Jesus; Gontijo, Ivoney; Silva, Marcelo Barreto da; Drumond Neto, Antônio Pereira (Universidade Federal do Ceará, 2015-07)
    Os solos do Estado do Espírito Santo apresentam baixa fertilidade natural, que frequentemente limita a produção das lavouras devido às deficiências de alguns elementos. No entanto, os mesmos apresentam alto potencial de ...
  • Sensory profile of conilon coffee brews from the state of Espírito Santo, Brazil
    Mori, André Luiz Buzzo; Garcia, Aline de Oliveira; Ferrão, Maria Amélia Gava; Fonseca, Aymbiré Francisco Almeida da; Ferrão, Romário Gava; Benassi, Marta de Toledo (Empresa Brasileira de Pesquisa Agropecuária - Embrapa, 2018-09)
    The objective of this work was to present a sensory description of conilon coffee (Coffea canephora) brews produced from genotypes developed for the state of Espírito Santo, Brazil. The genotypes 'Diamante ES8112', 'ES8122', ...
  • Impacts of water availability on macronutrients in fruit and leaves of conilon coffee
    Covre, André Monzoli; Partelli, Fábio Luiz; Bonomo, Robson; Tomaz, Marcelo Antônio; Ramalho, José Cochicho (Empresa Brasileira de Pesquisa Agropecuária - Embrapa, 2018-09)
    The objective of this work was to evaluate the concentrations and accumulation of macronutrients in conilon coffee (Coffea canephora) fruit, and their concentrations in leaves, over two years, in irrigated and nonirrigated ...
  • Endo-β-mannanase enzyme activity in the structures of Coffea arabica L. seeds under different types of processing and drying
    Ferreira, Valquíria Fátima; Ricaldoni, Marcela Andreotti; Rosa, Sttela Dellyzete Veiga Franco da; Figueiredo, Madeleine Alves de; Coelho, Stefânia Vilas Boas; Fantazzini, Tatiana Botelho (Universidade Federal de Santa Maria, 2018)
    Enzymes play a fundamental role in degradation of molecules during seed germination, development, and deterioration. Endo- β-mannanase is one of the main enzymes responsible for hydrolysis of mannans in the endosperm during ...
  • Forecasting of the annual yield of Arabic coffee using water deficiency
    Aparecido, Lucas Eduardo de Oliveira; Rolim, Glauco de Souza (Empresa Brasileira de Pesquisa Agropecuária - Embrapa, 2018-12)
    The objective of this work was to develop agrometeorological models for the forecasting of the annual yields of Arabic coffee (Coffea arabica), using monthly water deficits (DEFs) during the coffee cycle, in important ...
  • 2- Isopentenyladenine in the induction of direct somatic embryogenesis capacity of Coffea arabica L.
    Alves, Ivanilda dos Santos; Carmazini, Valéria Cristina Barbosa; Santos, Cosme Damião dos; Almeida, Julieta Andrea Silva de (Universidade Federal de Santa Maria, 2018)
    This study evaluated the effect of different concentrations of 2-isopentenyladenine (2-iP) on the direct somatic embryogenesis capacity of the Mundo Novo cultivar of Coffea arabica. Leaf explants were cultivated with half ...
  • Challengs in coffee quality: cultural, chemical and microbiological aspects
    Pimenta, Carlos José; Angélico, Caroline Lima; Chalfoun, Sára Maria (Editora UFLA, 2018-07)
    The Brazilian coffee industry is undergoing a great transformation in order to serve a consumer market that is becoming increasingly demanding with regard to quality. Considering the multiple determinants of the final ...
  • Arquitetura da copa do cafeeiro arábica conduzido com diferentes números de ramos ortotrópicos
    Colodetti, Tafarel Victor; Tomaz, Marcelo Antonio; Rodrigues, Wagner Nunes; Verdin Filho, Abraão Carlos; Cavatte, Paulo Cezar; Reis, Edvaldo Fialho dos (Universidade Federal de Viçosa, 2018-09)
    O estudo do comportamento do cafeeiro arábica conduzido com mais de um ramo ortotrópico surge como fonte de alternativas de melhoria da arquitetura da copa e da produção da lavoura cafeeira. Por isso, objetivou-se, com ...
  • Leaf morphoanatomy and biochemical variation coffee cultivars under drift simulation of glyphosate
    Reis, L.A.C.; Carvalho, F.P.; França, A.C.; Francino, D.M.T.; Pinto, N.A.V.D.; Freitas, A.F. (Sociedade Brasileira da Ciência das Plantas Daninhas, 2018)
    The most widely used herbicide in coffee crop is glyphosate, it inhibits the biosynthesis of secondary metabolites, responsible for structures and substances of plant defense. This work aimed to evaluate the morphoanatomy, ...
  • Alternative sources of potassium in coffee plants for better soil fertility, productivity, and beverage quality
    Dias, Kaio Gonçalves de Lima; Guimarães, Paulo Tácito Gontijo; Carmo, Davi Lopes do; Reis, Thiago Henrique Pereira; Lacerda, Julian Junio de Jesus (Empresa Brasileira de Pesquisa Agropecuária - Embrapa, 2018-12)
    The objective of this work was to evaluate alternative sources of potassium for improving soil fertility and coffee productivity and beverage quality. The experiment was conducted in a coffee (Coffea arabica) crop, planted ...
  • Sistema radicular das principais leguminosas empregadas como adubo verde em cafezal
    Scaranari, H . J .; Infobzato, R . (Instituto Agronômico (IAC), 1952-07)
    Root .systems of the following leguminous plants used for green manure in coffee plantations were studied :- Canavalia ensiformins D. C., Crotalaria juncea L., Styzolobium sp (Mucuna anã) and Glycine max (L). Merrill var. ...
  • Ensaio de desbaste de ramos inferiores do cafeeiro II
    Mendes, J. E. Teixeira (Instituto Agronômico (IAC), 1951-10)
    Foi continuado o ensaio do desbaste dos ramos inferiores do cafeeiro, instalado na Estação Experimental Central de Campinas, em 1932. O ensaio compreende duas séries : a) desbastada ; b) não desbastada. Cada série se compõe ...
  • Multiplicação do cafeeiro por estacas com uma fôlha
    Mendes, J. E. T. (Instituto Agronômico (IAC), 1950-07)
    A new method of propagation of the coffee plant by stem-cuttings has been developed. Single-node stem pieces with two opposite leaves were split longitudinally in two halves. These were treated by a hormone and rooted in ...
  • Possível causa do insucesso de se cultivar cafeeiros adultos em soluções nutritivas do tipo Hoagland
    Mendes, Heli Camargo (Instituto Agronômico (IAC), 1956-04)
    Since 1946 several attempts have been made to grow coffee plants (Coffea arabica L. var. bourbon (B. Rodr.) Choussy) in Hoagland's nutrient solution. Growth of the plants is quite satisfactory in the early stages, but a ...
  • Ensaio de variedades de cafeeiros III
    Mendes, J. E. Teixeira (Instituto Agronômico (IAC), 1951-01)
    O ensaio de variedades de cafeeiros foi iniciado na Estação Experimental Central de Campinas, em 1931. A primeira colheita foi realizada em 1935. Em 1939, foi feita a publicação dos resultados referentes ao período 1935-38. ...
  • A água do solo e os ombreamento dos cafezais na América Central
    Franco, Coaraci M. (Instituto Agronômico (IAC), 1951-04)
    The coffee plant does not thrive well under shade in most of the coffee areas of the State of São Paulo, Brazil. It has been shown that water competition from the shade trees during the dry season is the factor responsible ...
  • Quantidade de água transpirada pelo cafeeiro sombreado e pelo ingazeiro
    Franco, Coaraci M.; Inforzato, Romeu (Instituto Agronômico (IAC), 1951-04)
    The present paper discusses the amount of water lost by the soil through the transpiration of coffee plants and shade trees in shaded coffee plantation. All methods and techniques employed in the study of transpiration of ...
  • O ponto de armazenamento do café em côco
    Tosello, André (Instituto Agronômico (IAC), 1951-04)
    In the State of São Paulo, coffee cherries, after harvesting, are usually put to dry, in the open or are artificially dried until reaching a percentage of about 18% of water. With this humidity, the coffee husks can easily ...
  • Clorose das folhas do cafeeiro excelsa
    Costa, A. S.; Mendes, J. E. Teixeira (Instituto Agronômico (IAC), 1951-07)
    A type of leaf chlorosis is shown by plants of excelsa coffee growing in nursery beds in a lath house at the Instituto Agronômico, Campinas. Tests made with various elements showed that this type of chlorosis is due to ...

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