Periódicos: Recent submissions

  • Chemical analyses of flowers and leaves for nutritional diagnoses of coffee trees
    Zabini, André Vinicius; Martinez, Herminia Emilia Prieto; Neves, Júlio César Lima; Cruz, Cosme Damião; Valadares, Samuel Vasconcelos (Universidade Federal de Santa Maria, 2021)
    The chemical analysis of flowers has been studied for some crops. In coffee trees, the flower tissue analysis could anticipate the nutritional diagnosis. This study aimed to: (i) compare the mineral composition of coffee ...
  • Determinants of Rulindo tea farmers’ perception towards organic farming: a MASS::stepAIC() approach
    Muhamadi, Shakiru; Boz, Ismet (Universidade Federal de Santa Maria, 2021)
    The current study determined the factors influencing the perception of tea farmers towards organic tea production in Rulindo District, Rwanda. This study used both qualitative and quantitative data from face to face ...
  • Coffea canephora breeding: estimated and achieved gains from selection in the Western Amazon, Brazil
    Rocha, Rodrigo Barros; Teixeira, Alexsandro Lara; Ramalho, Andre Rostand; Espindula, Marcelo Curitiba; Lunz, Aureny Maria Pereira; Souza, Flavio de França (Universidade Federal de Santa Maria, 2021)
    Gain from selection is an important criterion in quantifying the efficiency of breeding programs. This study quantified the selection gain estimated under experimental conditions and realized gain achieved in the field, ...
  • Adaptability and stability of Coffea canephora Pierre ex Froehner genotypes in the Western Amazon
    Moraes, Marcos Santana; Rocha, Rodrigo Barros; Teixeira, Alexsandro Lara; Espindula, Marcelo Curitiba; Silva, Camila Andrade; Lunz, Aureny Maria Pereira (Universidade Federal de Santa Maria, 2020)
    The development of Coffea canephora cultivars is based on the characterization of genotype × environment interaction, which is interpreted to quantify the differential behavior of clones at different cultivation sites. The ...
  • Leaf count overdispersion in coffee seedlings
    Silva, Edilson Marcelino; Furtado, Thais Destefani Ribeiro; Fernandes, Jaqueline Gonçalves; Cirillo, Marcelo Ângelo; Muniz, Joel Augusto (Universidade Federal de Santa Maria, 2019)
    Coffee crops play an important role in Brazilian agriculture, with a high level of social and economic participation resulting from the jobs created in the supply chain and from the income obtained by producers and the ...
  • Nutrient intake and apparent digestibility coefficient of lambs fed with coffee husk in replacement of oat hay
    Rego, Fabíola Cristine de Almeida; Belan, Laís; Pertile, Simone Fernanda Nedel; Lima, Lisiane Dorneles de; Ludovico, Agostinho; Zundt, Marilice; Lopes, Flávio Guiselli; Porto, Petrônio Pinheiro (Universidade Federal de Santa Maria, 2019)
    This study aimed to evaluate the effects of replacing oat hay with coffee husk in the diet of lambs on the intake and apparent digestibility of dry matter (DM), organic matter (OM), crude protein (CP), ether extract (EE), ...
  • Physiological, biochemical, and ultrastructural aspects of Coffea arabica L. seeds under different cryopreservation protocols
    Figueiredo, Madeleine Alves de; Rosa, Sttela Dellyzete Veiga Franco da; Ricaldoni, Marcela Andreotti; Pereira, Cristiane Carvalho; Coelho, Stefânia Vilas Boas; Silva, Luciano Coutinho (Editora UFLA, 2021)
    Cryopreservation is a technique that may potentially conserve the germplasm of species of the Coffea genus for an indeterminate time. The aim of this study was to evaluate the physiological, biochemical and ultrastructural ...
  • Diagnosis of leaf bacterial diseases of coffee reveals the prevalence of halo blight
    Raimundi, Melina Korres; Souza, Ricardo Magela de; Figueira, Antônia dos Reis; Silva, Gustavo Matheus; Santos, Ana Carolina de Paula; Guimarães, Sarah da Silva Costa (Editora UFLA, 2021)
    The diagnosis of foliar bacterial diseases in coffee (Coffea arabica), such as halo blight (Pseudomonas syringae pv. garcae), bacterial leaf spot (P. syringae pv. tabaci), bacterial blight (P. cichorii), and dark leaf spot ...
  • Ethiopian coffee germplasm is a valuable resistance gene pool to brazilian Pseudomonas syringae PVS garcae and tabaci
    Rodrigues, Lucas Mateus Rivero; Destéfano, Suzete Aparecida Lanza; Beriam, Luís Otávio Saggion; Ferreiro-Tonin, Mariana; Braghini, Masako Toma; Guerreiro Filho, Oliveiro (Editora UFLA, 2021)
    Seven wild accessions of Coffea arabica from Ethiopia prospected by FAO Coffee Mission 1964-1965 were investigated concerning the resistance to 18 Brazilian strains and two Kenyan strains of Pseudomonas syringae pv. garcae ...
  • Identification of physiological analysis parameters associated with coffee beverage quality
    Freitas, Marcella Nunes de; Rosa, Sttela Dellyzete Veiga Franco da; Pereira, Cristiane Carvalho; Malta, Marcelo Ribeiro; Dias, Carlos Tadeu dos Santos (Editora UFLA, 2020)
    The demand for high-quality coffee among consumers has generated a great deal of interest among producers in serving this market. Parameters for physiological analyses that can be associated with aspects of sensory analyses ...
  • Magnetic field in coffee seed germination
    Braga Júnior, Roberto Alves; Azevedo, Roberto Luiz de; Guimarães, Renato Mendes; Reis, Leandro Vilela (Editora UFLA, 2020)
    The effective production of coffee seedlings faces many challenges, including seed germination. Therefore, a reduced seed germination period can be one of the most relevant contributions to enhance the testing and production ...
  • Roles of arbuscular mycorrhizal fungi on acclimatization of clones of Coffea arabica L. produced by somatic embryogenesis
    Fonseca, Arley José; Tassone, Guilherme Augusto Teixeira; Carneiro, Marco Aurélio Carbone; Carvalho, Gladyston Rodrigues; Carvalho, Carlos Henrique Siqueira; Botelho, Cesar Elias (Editora UFLA, 2020)
    The production of Coffea arabica L. clone seedlings through the somatic embryogenesis technique is one of the alternatives of greatest demand for coffee producers. However, clones can face difficulties related to acclimatization ...
  • Cycle pruning programmed on the grain yield of arabica coffee
    Baitelle, Diego Corona; Verdin Filho, Abraão Carlos; Freitas, Sílvio de Jesus; Miranda, Guilherme Bessa; Vieira, Henrique Duarte; Vieira, Kezia Moraes (Editora UFLA, 2019)
    The cycle pruning programmed is a reinvigoration technique widely employed in Conilon coffee. This strategy may also be adopted for Arabica coffee to increase its crop longevity and yield. In this scenario, the present ...
  • Instant coffee with steamed PVA beans: Physical-chemical and sensory aspects
    Reis, Tamiris Aparecida Diniz dos; Conti, Antonio José de; Barrientos, Eliseo Alexander López; Mori, André Luiz Buzzo; Benassi, Marta de Toledo (Editora UFLA, 2019)
    Around 20% of Brazilian coffee production corresponds to defective beans (PVA), which decreases the quality of the coffee brews. Steam treatment has been reported as an alternative to improve the cup quality of coffee ...
  • Coffee waste as an eco-friendly and low-cost alternative for biochar production impacts on sandy soil chemical attributes and microbial gene abundance
    Silva, Cintia Caroline Gouveia da; Medeiros, Erika Valente de; Fracetto, Giselle Gomes Monteiro; Fracetto, Felipe José Cury; Martins Filho, Argemiro Pereira; Lima, José Romualdo de Sousa; Duda, Gustavo Pereira; Costa, Diogo Paes da; Lira Junior, Mário Andrade (Instituto Agronômico (IAC), 2021)
    Biochar is a material produced by the pyrolysis of agro-industrial waste, which has become one of the most promising management tools to improve soil quality. The aim was to determine the effects of incorporating biochar ...
  • Factors influencing the performance of phosphites on the control of coffee leaf rust
    Honorato Júnior, Jaime; Debona, Daniel; Zambolim, Laércio; Rodrigues, Fabrício Ávila (Instituto Agronômico (IAC), 2021)
    This study investigated the effect of different phosphites on the control of coffee leaf rust (CLR) caused by Hemileia vastatrix, considered the major disease affecting coffee yield worldwide. Three-month-old coffee plants ...
  • High rates of agricultural gypsum affect the arbuscular mycorrhiza fungal community and coffee yield
    Cogo, Franciane Diniz; Saggin Júnior, Orivaldo José; Guimarães, Paulo Tácito Gontijo; Siqueira, José Oswaldo; Carneiro, Marco Aurélio Carbone (Instituto Agronômico (IAC), 2020)
    High rates of agricultural gypsum, above the recommended levels, have been used on a regular basis to deepen plant roots and to alleviate recurrent water stress in Cerrado areas. However, very little is known about the ...
  • Relationship between meiotic instability and fertility in F2 generation Arabusta coffee plants
    Granato, Laís Moreira; Ramos, Luis Carlos da Silva; Pinto-Maglio, Cecília Alzira Ferreira (Instituto Agronômico (IAC), 2019)
    Parental plants, an F1 interspecific hybrid and the F2 generation from Arabusta coffee plants were investigated for meiotic behavior and viability of pollen to understand part of their reproductive biology that affects ...
  • Characterization and use efficiency of sparingly soluble fertilizer of boron and zinc for foliar application in coffee plants
    Macedo, Luiza Oliveira; Mattos-Jr, Dirceu; Jacobassi, Rodrigo Candido; Petená, Guilherme; Quaggio, José Antonio; Boaretto, Rodrigo Marcelli (Instituto Agronômico (IAC), 2021)
    Deficiencies of boron and zinc occur in coffee plantations despite the many fertilizer sources offered by the industry for the agriculture. Sparingly soluble fertilizers (SSF) have been used in several countries for many ...
  • 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 ...

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