Periódicos: Recent submissions

  • Remoção de compostos fenólicos em reatores anaeróbios de leito fixo com diferentes materiais suporte
    Fia, Fátima R. L.; Matos, Antonio T. de; Borges, Alisson C.; Moreira, Débora A.; Fia, Ronaldo; Eustáquio Júnior, Valdeir (Departamento de Engenharia Agrícola - UFCG, 2010-05-19)
    Objetivou-se, com a realização deste estudo, efetuar a avaliação operacional de três reatores anaeróbios de leito fixo e com escoamento ascendente, contendo biomassa imobilizada na remoção de compostos fenólicos presentes ...
  • Performance of a variable-rate distribution system for simultaneous fertilizer application
    Barros, Murilo M. de; Volpato, Carlos E. S.; Silva, Fabio M. da; Conceição, Fagner G. da; Corrêa Júnior, Delorme; Ribeiro, Luiz F. (Departamento de Engenharia Agrícola - UFCG, 2016)
    The objective of this study was to evaluate the performance of a variable-rate fertilizer distribution system for coffee crop, simultaneously applying two products. Two types of tests were performed: transversal deposition ...
  • Management strategies for Anredera cordifolia in coffee culture
    Silva, Paulo V. da; Ferrari, Andrea; Melo, Karolainy T. da S.; Dias, Roque de C.; Schedenffeldt, Bruna F.; Monquero, Patricia A.; Salmazo, Pedro A. V.; Medeiros, Elias S. de; Bicalho, Carolina C.; Mauad, Munir (Departamento de Engenharia Agrícola - UFCG, 2023-04-03)
    Coffee plantations installed at high altitudes and near forested areas have been highly infested with Anredera cordifolia. The objective of this work was to evaluate the effectiveness of different pre- and post-emergence ...
  • Chemical attributes of an Oxisol with the addition of conilon coffee straw biochar
    Alvarenga, Anarelly Costa; Passos, Renato Ribeiro; Andrade, Felipe Vaz; Mendonça, Eduardo de Sá; Rangel, Otacílio José Passos; Mosa, Lázaro Longue (Empresa Brasileira de Pesquisa Agropecuária - Embrapa, 2023-05-19)
    The objective of this work was to evaluate the effects of increasing rates of biochar produced with coffee straw, at two pyrolysis temperatures, on the chemical attributes of an Oxisol cultivated with conilon coffee (Coffea ...
  • Visual assessment of leaf area index in coffee (Coffea arabica L.) fields
    Castro-Pacheco, Sergio A.; González-Lutz, María I.; Araya-Alfaro, José M.; Vargas-Chinchilla, Mariano; Gutiérrez-Soto, Marco V. (Departamento de Engenharia Agrícola - UFCG, 2024-01-04)
    The application of leaf area index (LAI) in coffee crop management depends on the availability of methodologies for proper estimation. The objective of this study was to develop a methodology for the visual assessment of ...
  • Morphophysiological responses of Conilon coffee matrix plants in a super-dense clonal garden
    Silva, Josimar Aleixo da; Esposti, Marlon Dutra Degli; Senra, João Felipe de Brites; Comério, Marcone; Conceição, Amanda Oliveira da; Zacarias, Alex Justino; Milheiros, Idalina Sturião; Silva, Uliana Ribeiro; Silva, Fernanda Gomes da; Raimundo, Eduarda Gonçalves (Empresa Brasileira de Pesquisa Agropecuária - Embrapa, 2023-12-04)
    The objective of this work was to evaluate the morphophysiological responses and cutting production of clones of Conilon coffee (Coffea canephora) cultivars in a super-dense clonal garden in the state of Espírito Santo, ...
  • Diagnose nutricional de cafeeiros da região do Alto Jequitinhonha (MG): normas dris e faixas críticas de nutrientes
    Farnezi, Múcio Mágno de Melo; Silva, Enilson de Barros; Guimarães, Paulo Tácito Gontijo (Sociedade Brasileira de Ciência do Solo, 2009-10-30)
    As normas do Sistema Integrado de Diagnose e Recomendação (DRIS) ainda não foram estabelecidas para a cultura do café do Alto Jequitinhonha, MG, o que impede que o DRIS seja aplicado nos cafeeiros da região. A diagnose ...
  • Land Use and Changes in Soil Morphology and Physical-Chemical Properties in Southern Amazon
    Melo, Vander Freitas; Orrutéa, Alessandro Góis; Motta, Antônio Carlos Vargas; Testoni, Samara Alves (Sociedade Brasileira de Ciência do Solo, 2017)
    Many Amazonian farmers use the slash-and-burn method rather than fertilization for crop production. The aim of the present study was to evaluate changes in the morphological, physical, and chemical properties of naturally ...
  • Physiological and morphological responses of Arabica coffee cultivars to soil compaction
    Ramos, Elísia Gomes; Barros, Vanessa Maria de Souza; Miranda, José Danizete Brás; Silva, Laís Maria Rodrigues; Neves, Júlio Cesar Lima; Meira, Renata Maria Strozi Alves; Oliveira, Teogenes Senna de (Sociedade Brasileira de Ciência do Solo, 2023-12-22)
    Compaction caused by mechanization affects soil quality and, consequently, the development of crops. This study aimed to evaluate the effect of different degrees of soil compaction on the physiology, morphology, and anatomy ...
  • Os proprietários de escravos e a estrutura da posse na antiga freguesia de São Simão, 1835
    Lopes, Luciana Suarez (Departamento de Economia, Faculdade de Economia, Administração e Contabilidade da Universidade de São Paulo (FEA-USP), 2012-06-29)
    Este artigo estuda a estrutura da posse de escravos em São Simão, localidade do nordeste paulista, utilizando a lista nominativa de 1835. O objetivo principal é analisar a estrutura da posse de escravos na região pouco ...
  • Estrangeiras e nacionais: as maiores casas exportadoras de café em Santos (1897-1930)
    Silva, Gustavo Pereira da (Departamento de Economia, Faculdade de Economia, Administração e Contabilidade da Universidade de São Paulo (FEA-USP), 2023-08-07)
    No período 1897-1930, as lavouras do estado de São Paulo responderam por aproximadamente dois terços das sacas de café exportadas pelo Brasil, grãos que eram negociadas no porto de Santos. Mas, quais eram as firmas ...
  • Steps of cryopreservation of coffee seeds: physiological responses and antioxidant systems
    Souza, Ana Cristina de; Costa, Marina Chagas; Figueiredo, Madeleine Alves de; Pereira, Cristiane Carvalho; Coelho, Stefânia Vilas Boas; Vilela, Ana Luiza Oliveira; Pereira, Diego de Souza; Rosa, Sttela Dellyzete Veiga Franco da (Universidade Federal de Santa Maria, 2023-08-21)
    The cryopreservation of plant germplasm at ultralow temperatures is an alternative technique for the long-term storage of seeds of the genus Coffea sp. However, for this technique to be successful, cell integrity must be ...
  • Selection for frost resistance in Coffea arabica progenies carrying C. liberica var. dewevrei genes
    Petek, Marcos Rafael; Sera, Tumoru; Alteia, Marcos Zorzenon (Crop Breeding and Applied Biotechnology, 2005)
    This research was carried out to estimate the variability and genetic parameters for the development of cultivars more frost resistant in Coffea arabica progenies, carrying C. liberica var. dewevrei genes. There is genetic ...
  • Single-locus inheritance and partial linkage map of Coffea arabica L.
    Sakiyama, Ney Sussumu; Teixeira-Cabral, Terezinha Aparecida; Zambolim, Laércio; Pereira, Antonio Alves; Schuster, Ivan (Crop Breeding and Applied Biotechnology, 2004)
    In a backcross population of the allotetraploid Coffea arabica L. the loci with diploid-like segregation were predominant, although a few loci with tetrassomic inheritance or distortion of the expected segregation were ...
  • In vitro pollination and fluorescence microscopy for characterization of gametophytic selfincompatibility of Coffea canephora Pierre ex A. Froehner
    Souza, Carolina Augusto de; Rocha, Rodrigo Barros; Santos, Maurício Reginaldo Alves dos; Lopes, Tatiane Almeida; Teixeira, Alexsandro Lara; Espindula, Marcelo Curitiba (Crop Breeding and Applied Biotechnology, 2021-11-20)
    The objectives of this study were to optimize in vitro pollination and fluorescence microscopy procedures to characterize the gametophytic selfincompatibility of Coffea canephora genotypes. For that purpose, 115 in vitro ...
  • IAC Herculândia – a Coffea canephora rootstock multiresistant to Meloidogyne species
    Guerreiro Filho, Oliveiro; Fazuoli, Luiz Carlos; Braghini, Masako Toma; Gallo, Paulo Boller; Oliveira, Claúdio Marcelo Gonçalves; Padilha, Lilian; Fatobene, Bárbhara Joana dos Reis; Andrade, Vinicius Teixeira; Vasconcelos, Larissa de Brito Caixeta; Rosa, Juliana Magrinelli Osório (Crop Breeding and Applied Biotechnology, 2023-08-20)
    IAC Herculândia is a Coffea canephora cultivar multiresistant to Meloidogyne exigua, M. incognita, and M. paranaensis to be used as a rootstock for Coffea arabica cultivars. It is a synthetic cultivar resulting from ...
  • Prediction of selection gains in Coffea canephora based on factorial scores
    Ferreira, Adésio; Cecon, Paulo Roberto; Cruz, Cosme Damião; Ferrão, Romário Gava; Silva, Marcia Flores da; Fonseca, Aymbiré Francisco Almeida da; Ferrão, Maria Amélia Gava (Crop Breeding and Applied Biotechnology, 2004)
    The technique of factor analysis in the simultaneous selection of traits and prediction of genetic gains was evaluated in Coffea canephora var. conilon. Fourteen traits in 40 assessed genotypes were evaluated at two sites. ...
  • Repeatability and number of harvests required for selection in robusta coffee
    Fonseca, Aymbiré Francisco Almeida da; Sediyama, Tocio; Cruz, Cosme Damião; Sakiyama, Ney Sussumu; Ferrão, Romário Gava; Ferrão, Maria Amélia Gava; Bragança, Scheilla Marina (Crop Breeding and Applied Biotechnology, 2004)
    This study aimed to estimate the repeatability coefficient of the grain yield in Coffea canephora by three methods: to quantify the precision of the measurements; to predict the real value of an individual based on n ...
  • Alcides Carvalho and the selection of Catuaí cultivar: interpreting the past and drawing lessons for the future
    Andrade, Vinícius Teixeira; Guerreiro Filho, Oliveiro; Ramalho, Magno Antônio Patto (Crop Breeding and Applied Biotechnology, 2018)
    The coffee cultivar Catuaí is among the most successful cultivars in Brazilian agriculture; it has been on the market for more than 40 years. It was obtained by Dr. Alcides Carvalho, a researcher of the Instituto Agronômico ...
  • Resistance to bacterial halo blight in Arabica coffee lines derivative from the genotype C1195-5-6-2 under natural infection conditions
    Andreazi, Elder; Sera, Gustavo Hiroshi; Sera, Tumoru; Fonseca, Inês Cristina de Batista; Shigueoka, Luciana Harumi; Santos, Willian Gabriel dos; Pereira, Carlos Theodoro Motta (Crop Breeding and Applied Biotechnology, 2018)
    The aim of this study was to identify resistance to bacterial halo blight in Arabica coffee lines carrying Coffea racemosa genes. Eighteen Arabica coffee lines derivative from the genotype C1195-5-6-2, and the cultivars ...

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