Biblioteca do Café

URI permanente desta seçãohttps://sbicafe.ufv.br/handle/123456789/1

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Resultados da Pesquisa

Agora exibindo 1 - 10 de 913
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    New and efficient AS-PCR molecular marker for selection of coffee resistant to coffee leaf rust
    (Crop Breeding and Applied Biotechnology, 2024-10-15) Almeida, Dênia Pires de; Carneiro, Deisy Guimarães; Caixeta, Eveline Teixeira; Alves, Danúbia Rodrigues; Zambolim, Laércio
    Coffee leaf rust, caused by Hemileia vastatrix, is the most important disease affecting Coffea arabica. The use of molecular markers through marker-assisted selection (MAS) is an effective approach to develop cultivars with multiple and durable resistance, which is economically and environmentally beneficial for this disease control. In this work, a new molecular marker based on allele-specific polymerase chain reaction (AS-PCR) associated with the quantitative trait locus (QTL) of the linkage group 5 (LG5), which confers resistance to races I, II and pathotype 001 of H. vastatrix, was developed. The CaRHv10-AS marker was validated in a segregating genetic mapping population of 247 F2 genotypes and demonstrated selection efficiency greater than 97% for genotypes with resistance to three races. Thus, this work provides a fast, robust, and affordable molecular marker for use in MAS, facilitating the development of coffee plants with multiple resistance and ensuring sustainable coffee production.
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    Multispectral images for discrimination of sources and doses of fertilizer in coffee plants
    (Universidade Federal de Viçosa, 2023-06-16) Rezende, Camila Isabel Pereira; Assis, Gleice Aparecida de; Martins, George Deroco; Carvalho, Fábio Janoni; Franco, Miguel Henrique Rosa; Araújo, Nathalia Oliveira de
    Remote monitoring of the management of coffee crops is necessary as the demand in decision-making, where the aim is to rise production based on sustainable management is in a constant growth. In this work, it was evaluated the potential of images obtained by low-cost sensors in the discrimination of sources and doses of mineral and organomineral fertilizers in coffee. The experimental design was in randomized blocks, with five blocks and six treatments, as follows: (T1) - 100% of the organomineral treatment; (T2) - 70% of the organomineral treatment; (T3) - 50% of the organomineral treatment; (T4) - 100% of mineral fertilization; (T5) - standard treatment of the farm and (T6) - 70% of mineral fertilization. After management, we used the Mapir 3 Survey3W camera coupled to an ARP drone – Phantom4 to take images of the experiment over a 12-month vegetative period. Combined with image taking, it was collected agronomic parameters of coffee growth and productivity for two crops and concluded that different fertilization doses did not significantly affect the analyzed parameters. Based on the supervised classification of multispectral images, it was possible to discriminate treatments with a higher degree of accuracy (86.66% accuracy) than when analyzing coffee growth parameters.
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    Agronomic performance and productivity of Arabica coffee intercropped with timber species
    (Universidade Federal de Viçosa, 2023-04-14) Freitas, Ana Flávia de; Fonseca, Arley José; Volpato, Margarete Marin Lordelo; Carvalho, Gladyston Rodrigues; Venturin, Regis Pereira; Silva, Vânia Aparecida
    The insertion of the tree component in coffee production is a strategy from an economic and environmental perspective. Thus, the objective of this study was to evaluate the temporal influence on the agronomic and productive performance of the coffee crop under the interference of different tree species as a function of spacing. The experiment was set in the municipality of Santo Antônio de Amparo-MG, in 2012, and conducted in a randomized block design with four replications. The treatments were: cultivar ‘Catuai Vermelho IAC 99’ in monoculture (3.40 m x 0.65 m) and intercropped with African mahogany, teak and pink cedar, in two spacings (9 x 13.6 m and 18 x 13.6 m), in coffee rows. Three coffee rows were fixed between rows, totaling 13.6 m. The following variables were evaluated: height (m), stem diameter (cm), crown diameter (m), productivity (bags ha-1) and yield (l/sc) for coffee. From the evaluations, there is a significant effect of height, productivity and yield for the coffee crop. The system intercropped with tree species did not influence coffee productivity and yield until the 3rd harvest and, for the 5th harvest, intercropping with mahogany favored productivity, although the accumulated productivity did not show any treatment effect.
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    Applying different infective structures of Beauveria bassiana to Coffea arabica infested with Hypothenemus hampei (Coleoptera: Curculionidae) under field
    (Instituto Biológico, 2023-01-09) Pereira, Raquel Moraes Costa; Almeida, José Eduardo Marcondes de; Batista Filho, Antonio
    Coffee is the most appreciated beverage in worldwide; Brazil is the largest producer and exporter of this commodity. Organochlorine endosulfan was banned from the country in 2013 due to its teratogenic agent-related features. Since then, coffee plantations have experienced increased Hypothenemus hampei infestation rates. The aim of the current study is to assess variations in the rates of Coffea arabica fruits brocaded by H. hampei after the application of entomopathogenic fungal species Beauveria bassiana IBCB66. Experiments were carried out with ‘Catuaí’ and ‘Mundo Novo’ cultivars between 2018 and 2020, during the borer transit period. Three experiments were carried out based on the application of the aforementioned fungal species on the investigated coffee plant species, both by spraying and sprinkling, at 30-day intervals; 10 fruits were collected per face of each useful plant in each repetition. The experiment has followed a randomized blocks design with five treatments, including the control, and five repetitions, each. Beauveria bassiana Ecobass (IBCB66) wettable powder spray, at the concentration of 2 × 1013·ha–1, was used in experiments I and II. On the other hand, the mix used in experiment III was prepared with blastospores at concentration of 5 × 1012·ha–1 blastospores + 0.1% Silwet. The sprinkling process in all three experiments has used dry aerial conidia at concentration of 2 × 1013·ha–1. Collected data were subjected to analysis of variance (ANOVA), which was followed by Fisher’s test at 5% probability level, in the SISVAR software. More than 35,000 fruits were assessed. In addition to variations between experiments, results have evidenced that the rate of brocaded fruits remained high.
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    O café sombreado da serra de Baturité, Ceará, Nordeste do Brasil: gestão ambiental, sustentabilidade e impactos eco-ssocioeconômicos
    (Universidade do Vale do Itajaí, 2023-09-15) Ribeiro, Sofia Regina Paiva; Lima, Filipe Augusto Xavier; Loiola, Maria Iracema Bezerra
    O café sombreado da serra de Baturité, uma das poucas plantações no Brasil que integram lavoura-floresta, configura-se como uma antítese ao modelo agrícola predominante em nosso país, em monocultivo. Conhecido como “café de Baturité”, é apreciado por ser originário da variedade típica da espécie arábica (Coffea arabica) sombreada, com produção realizada por pequenos produtores rurais familiares, de forma agroflorestal. Diante desse cenário, o presente artigo objetiva verificar o impacto da revitalização da cultura do café de sombra na serra de Baturité a partir de iniciativas voltadas para o turismo, preservação ambiental e desenvolvimento socioeconômico regional. O procedimento metodológico adotado contempla estudo bibliográfico, observação participante e entrevistas semiestruturadas, com fontes-chave. Para tanto, as informações foram catalogadas, analisadas e confrontadas através da triangulação dos dados. Os resultados evidenciam que a cafeicultura, inserida na região há dois séculos (1822-2022), se encontra em fase de revitalização. Essa revalorização do cultivo, agora com conhecimentos empírico e técnico, vem contribuindo para minimizar o impacto antrópico na prática agrícola serrana, ampliar a gestão socioambiental nas propriedades rurais (onde o café se tornou um vetor de desenvolvimento sustentável) e fomentar a economia regional, como se observa a partir das ações voltadas para o ecoturismo, o empreendedorismo rural e a economia circular.
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    Informações e inovação na rede social de produtores de café ecológico – Ceará
    (Universidade Estadual de Campinas, 2024-08-16) Braga, Francisco Laercio Pereira; Campos, Kilmer Coelho; Lima, Filipe Augusto Xavier; Ribeiro, Luiz Carlos de Santana
    Este trabalho constrói e analisa a estrutura da rede social de produção de café sombreado/ecológico da região do Maciço de Baturité, no Estado do Ceará. Para tanto, foram realizadas pesquisas de campo e estudo de caso com 36 produtores de café ecológico dos municípios de Mulungu, Baturité e Guaramiranga, aplicando-se o conceitual de Análise de Redes Sociais (ARS). Os principais resultados mostram que a densidade da rede da região ficou em 6,7%. Isso reforça o argumento de que as informações circulam em menor velocidade e de que há pouca interação dos atores da rede para troca de ideias, experiências, erros e acertos individuais e coletivos, fator limitante para o conhecimento de inovações implementadas por outros produtores locais. A atuação das universidades, associações de produtores, poder público e instituições de apoio são importantes para troca de informações sobre produção e comercialização do café ecológico e para estimular as inovações a serem exploradas.
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    Narratives From Women Rural Workers: The Construction of Subalternity, Hierarchized Spaces and Colonial Domination
    (Escola de Administração da Universidade Federal da Bahia, 2021-09-15) Dornela, Fernanda Junia; Oliveira, Cintia Rodrigues de
    In this research, our aim is to analyze how gender relations are manifested in the narratives of women rural workers, in coffee farming in the Cerrado Mineiro Region, in a post-colonial perspective. It is a qualitative research, the empirical material of which consists of narrative interviews conducted with 14 rural coffee workers in the municipalities of Patrocínio, Carmo do Paranaíba and Monte Carmelo, in the state of Minas Gerais. The empirical material was submitted to the thematic analysis technique. The results suggest that gender relations are expressed through inheritances of colonialism, which constitute the themes identified: (1) constructed subordination; (2) hierarchical spaces; and (3) colonial domination.
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    Coffea arabica L: History, phenology and climatic aptitude of the state of São Paulo, Brazil
    (Instituto Biológico, 2021-12-17) Torres, Guilherme Almussa Leite; Campos, Cleide Nascimento; Salomon, Marcus Vinicius; Pantano, Angélica Prela; Almeida, Julieta Andrea Silva de
    The genus Coffea belongs to the Rubiaceae family and includes two species with optimum economic performances, Coffea arabica and Coffea canephora. The state of São Paulo is one of the states that produce the species C. arabica in Brazil. Arabica coffee has been of great importance to São Paulo, providing relevant contributions to the historical, political, architectural, gastronomic, touristic, artistic, agricultural, industrial and social sectors since its introduction into the state in the nineteenth century. The agricultural sector includes crops produced by both small farmers and by highly technological agricultural groups. Coffea arabica plants present six phenological phases, all sensitive to changes in temperature and rainfall. In the reproductive phases, the species requires short days, low temperatures and no rainfall, followed by the rainy season. However, the phenological phases of the coffee plants can be harmed or even inhibited by dry or rainy seasons that are too long or too short. In the state of São Paulo, the municipalities of Garça and Franca show optimal coffee productivity, whereas those of Adamantina and Registro are low, and the agricultural aptitudes of these four municipalities show strong relationships with their geographical distributions in the state. Garça and Franca are situated in areas where the predominant dry and rainy seasons favor the occurrence of the phenological phases of arabica coffee plants, whereas Adamantina and Registro are located in areas with long dry and rainy seasons, respectively, characteristics that harm the development of the reproductive phenological phases of this culture.
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    Que tal um cafezinho? Analisando a experiência de consumo dos turistas de turismo cafeeiro em Taquaritinga do Norte
    (Universidade do Vale do Itajaí, 2022-12-19) Silva, Ana Paula da; Salazar, Viviane dos Santos
    O mercado de café experimentou muitas mudanças nos últimos anos, passando por três ondas, cada uma marcando um aspecto diferente na relação de consumo desta bebida. Com a terceira onda, houve uma aproximação entre os produtores e os consumi- dores finais, o que proporcionou a atividade de turismo cafeeiro nos locais de produção de café. Em Pernambuco, o município de Taquaritinga do Norte vem se destacando nesse segmento nos últimos anos, com Fazendas abrindo suas portas para receberem turistas que tenham interesse no tema. Diante disso, elaboramos este estudo que tem por objetivo analisar as experiências de turismo cafeeiro em Taquaritinga do Norte/PE, especificamente o Sítio Conceição/Terral Ecológico e o Yaguara Ecológico baseado no modelo proposto por Goolaupa e Mossberg (2017). Para este estudo foi adotada a pesquisa qualitativa, com a realização de entrevistas, sendo todas feitas pela plataforma do Google Meet. Ao final, constatou-se que a experiência de turismo cafeeiro realizada em Taquaritinga atende às dimensões propostas por Goolaupa e Mossberg (2017), além de outros aspectos, como, por exemplo, perceber que as atividades do referido setor têm ajudado no desenvolvimento da economia de Taquaritinga.
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    European strategic trade policy and Brazilian export growth during the nineteenth century
    (Departamento de Economia da Faculdade de Economia, Administração e Contabilidade da Universidade de São Paulo (FEA-USP), 2022-04-04) Absell, Christopher David
    Until the Amazonian rubber boom, cane sugar and coffee were the two most important export commodities for Brazil during the nineteenth century. Despite inherent differences in methods of cultivation, both sugar and coffee at once benefitted and suffered from the characteristics of Brazil’s factor endowment in land, labour and capital. Yet these two export commodities demonstrated divergent growth patterns across the nineteenth century. The difference was not one of relative productivity and thus price competitiveness disadvantage, but of the imperfectly competitive nature of the international market for each commodity. European governments actively practised strategic trade policy to transfer profits from foreign to domestic or colonial firms. These market distortions were exogenous, imposed by consumer markets, and took the form of European colonial tariff preferences and subsidies to domestic production. Coffee suffered less from imperfect competition, thus remaining more profitable to Brazilian agricultural producers in the long run.