Biblioteca do Café
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Item GGE Biplot for integrating agronomic and sensory attributes in coffee cultivar selection(Crop Breeding and Applied Biotechnology, 2025-07-16) Reis, Antônio Augusto Rezende; Botelho, Cesar Elias; Nadaleti, Denis Henrique Silva; Figueiredo, Otávio José de; Botelho, Thiago Tavares; Gonçalves, Flavia Maria Avelar; Carvalho, Alex Mendonca; Andrade, Vinicius Teixeira; Figueiredo, Vanessa Castro; Abrahão, Juliana Costa de RezendeCoffee plant breeding has developed cultivars with disease resistance, high yield, and excellent sensory quality. However, recommending cultivars for different regions requires evaluations that account for genotype × environment (G × E) interactions. This study evaluated the agronomic performance of 30 Coffea arabica cultivars in six locations in southern Minas Gerais, focusing on adaptability and phenotypic stability for yield and sensory quality using the GGE Biplot method. Traits assessed included yield, the proportion of high-sieve and mocha beans, bean density, and sensory quality. Statistical analyses involved ANOVA, the Scott-Knott test, and GGE Biplot. Two mega-environments were identified for yield and three for sensory quality. IPR 100, IAC Obatã 4739, Arara, and Catucaí 2SL demonstrated high yield, while MGS Paraíso 2 excelled in cup quality. GGE Biplot proved effective in identifying stable and adapted cultivars, reinforcing the need to integrate sensory attributes in breeding and recommendation strategies for specialty coffee production.Item Multi-trait selection and the relationship between sensory analysis and post-harvest variables in Coffea arabica(Escola Superior de Agricultura "Luiz de Queiroz", 2025-11-21) Moreira, Daniele Birck; Silva, Sabrina Alves da; Costa, Weverton Gomes da; Caixeta, Eveline Teixeira; Nascimento, Moysés; Good God, Pedro Ivo VieiraWe aimed to estimate genetic parameters and multivariate selection in coffee related to quality and postharvest practices. In a population of 59 progeny of Coffea arabica, we analyzed the most important traits related to quality. Our analysis reveals significant genetic variance in all traits. We examined the effectiveness of direct selection and multivariate genetic gain using factor analysis. Our results suggest that genetic gains are achievable by all traits, although to varying degrees. In particular, selection based on the sensory quality factor alone can lead to gains opposite to those desired for traits such as ripening uniformity, bean size, and yield. This result may be due mainly to the way postharvest variables are processed for the standard Specialty Coffee Association of America (SCAA) beverage quality tests. Therefore, under this scenario, selection using factor analysis must be applied with care. These results provide a basis for future genetic selection strategies that will improve the quality of coffee.Item Agronomic performance and beverage quality of the arabica coffee cultivar MGS Catucaí Pioneira(Crop Breeding and Applied Biotechnology, 2025-10-18) Botelho, César Elias; Abrahão, Juliana Costa de Rezende; Nadaleti, Denis Henrique Silva; Ferreira, André Dominghetti; Pereira, Antônio Alves; Oliveira, Antônio Carlos Baião de; Gonçalves, Flávia Maria Avelar; Carvalho, Gladyston Rodrigues; Malta, Marcelo Ribeiro; Andrade, Vinicius Teixeira; Figueiredo, Vanessa CastroThe MGS Catucaí Pioneira cultivar stands out for its yield, rust resistance, and beverage quality. Evaluated over four harvest seasons in ten municipalities of southern Minas Gerais, it demonstrated excellent agronomic performance and a sensory profile with floral and sweet notes, making it suitable for both mechanized and non-mechanized production systems.Item 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 AparecidaThe 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.Item Períodos de interferência de Commelina benghalensis na cultura do café recém-plantada(Sociedade Brasileira da Ciência das Plantas Daninhas, 2005-09) Dias, T. C. S.; Alves, P. L. C. A.; Lemes, L. N.A presente pesquisa teve por objetivo avaliar os períodos de interferência de Commelina benghalensis sobre o crescimento inicial de mudas de Coffea arabica, sob condições de inverno e verão. Para isso, mudas de café e, posteriormente, de trapoeraba foram transplantadas para caixas de cimento-amianto com capacidade de 70 L, utilizando solo como substrato. Os períodos de convivência ou controle foram de 0-15, 0-30, 0-45, 0-60, 075 e 0-90 dias após o plantio do cafeeiro, totalizando 12 tratamentos, dispostos em blocos casualizados, em quatro repetições. Ao término de cada período, avaliaram-se algumas características de crescimento das plantas. As características do cafeeiro mais afetadas pela trapoeraba foram a área foliar e a biomassa seca de folhas das mudas de café, sendo essas as únicas características que apresentaram reduções significativas no verão. No inverno, o número de folhas e a biomassa seca do caule também tiveram reduções significativas. Os períodos críticos de prevenção da interferência foram de 15 a 88 e 22 a 38 dias após o plantio das mudas de café, para condições de inverno e verão, respectivamente.Item Partial resistance to fruit necrosis associated to Colletotrichum spp. among arabic coffee genotypes(Instituto de Tecnologia do Paraná - Tecpar, 2007-05) Sera, Gustavo Hiroshi; Sera, Tumoru; Ito, Dhalton Shiguer; Azevedo, José Alves de; Ribeiro Filho, Claudionor; Mata, João Siqueira daThe aim of this study was to evaluate the resistance to fruit necrosis associated to Colletotrichum spp. in Coffea arabica L.. Twenty-two arabic coffee genotypes were performed in a randomized block design, with three replications and ten plants per plot. They were evaluated for the variables fruit necrosis, luminosity index inside of the plant canopy and fruits per productive nodes of the plants. There was genetic variability for the resistance to fruit necrosis. Different partial resistance levels, varying from highly susceptible (score = 3.89) to moderately resistant (score = 1.77) were observed. The genotypes that presented moderate resistance were the cultivars IPR-100, IPR-103, IPR-105 and IPR-108 and the coffee selection IAPAR-00023.Item Amostragem de cigarrinhas (Hemiptera, Cicadellidae) através de armadilhas de Moericke em cafeeiro arábica(Instituto Biológico, 2007) Lara, R. I. R.; Perioto, N. W.; Freitas, S. deEste estudo teve por objetivo avaliar o padrão de variação populacional de cigarrinhas (Hemiptera, Cicadellidae) associadas ao cafeeiro, em Cravinhos, SP. As amostragens foram realizadas, semanalmente, no período de abril de 2005 a abril de 2006 através de 60 armadilhas de Moericke instaladas nos terços médio e inferior das plantas. Foram coletados 3.243 exemplares de cigarrinhas pertencentes a 8 espécies: Bahita infuscata, Coelidiana diminuta, Dilobopterus costalimai, Docalidia bifurcata, Joruma (Joruma) sp., Labocurtidia sp., Oncometopia facialis e Scaphytopius irrorellus. As maiores abundâncias destes cicadelídeos associados à cultura do cafeeiro ocorreram no período chuvoso; as espécies de cicadelídeos coletadas foram constantes e as armadilhas de Moericke instaladas no terço médio das plantas foram mais eficientes para a captura deste grupo de insetos. Verificou-se correlação positiva significativa entre os valores populacionais de D. costalimai com a pluviosidade e as temperaturas máxima e mínima e, para O. facialis, foi apenas com a temperatura mínima.Item Antifungal compounds as a mechanism to control Hemileia vastatrix by antagonistic bacteria(Sociedade Brasileira de Fitopatologia, 2013-10-29) Haddad, Fernando; Saraiva, Rodrigo M.; Mizubuti, Eduardo S. G.; Romeiro, Reginaldo S.; Maffia, Luiz A.Pseudomonas putida P286 and Bacillus thuringiensis B157 controlled coffee rust under greenhouse and field conditions. Now we studied the mechanism(s) of antagonism of both bacteria to Hemileia vastatrix. Bacterial effects on urediniospore germination and disease severity were evaluated in experiments with six treatments: (i) growth broth, (ii) supernatant centrifugation, (iii) bacterial cell centrifugation and re-suspension, (iv) UV inactivation of the bacteria, (v) 523 medium, and (vi) saline solution. The treatments i to iii reduced both spore germination and disease severity. Each isolate was applied at different concentrations and time periods before inoculation of H. vastatrix. The efficiency in controlling rust was reduced at the lowest concentrations and at the largest intervals between applications. In spatial separation experiments, both bacteria did not induce systemic protection, whereas protected locally the coffee plants against H. vastatrix. Therefore, the mechanism of both isolates against H. vastatrix is attributed to the production of antifungal compound (s).Item Influência da teia de Oligonychus ilicis (McGregor) (Acari: Tetranychidae) sobre os fitoseídeos predadores associados(Sociedade Entomológica do Brasil, 2010-03-12) Franco, Renato A; Reis, Paulo R; Zacarias, Mauricio S; Oliveira, Daniel COligonychus ilicis (McGregor) is among those mite species that can cause damage to coffee plants (Coffea spp.). Species of Phytoseiidae acari are considered the most important and studied predatory mites. The objective of this study was to evaluate the effects of the webbing produced by O.ilicis on its predation by females of the phytoseiids Iphiseiodes zuluagai Denmark & Muma, Euseius citrifolius Denmark & Muma and Amblyseius herbicolus (Chant). Four bioassays were conducted, with three treatments and ten replicates. Each replicate consisted of 25 O.ilicis per experimental unit (a leaf disc of Coffea arabica) according to the tested developmental stage, in independent experiments. To spin the web, 15 adult females were put on each experimental unit for 24h; females were then removed, leaving only the web, and predators and prey to be tested were introduced. Predation was assessed after 24h. In the presence of webbing, the consumption of eggs, larvae and nymphs by I.zuluagai and eggs and larvae by E.citrifolius was lower. For A.herbicolus, egg predation was lower, but larval predation did not vary significantly and predation of nymphs and adults was higher in the presence of webbing. Predators as a whole were more efficient consuming larvae regardless of the presence of webbing. Considering the stages of O.ilicis altogether, webbing reduced the predation potential of I.zuluagai and E. citrifolius, but not of A. herbicolus.Item Efeito de diferentes temperaturas e exigências térmicas da cochonilha-branca Planococcus citri (Risso, 1813) (Hemiptera: Pseudococcidae) em cafeeiro(Instituto Biológico, 2008) Correa, L. R. B.; Santa-Cecília, L. V. C.; Souza, B.; Cividanes, F. J.Dentre as várias espécies que compõem a família Pseudococcidae, conhecida como cochonilhabranca, tem sido relatada como importante praga de diversas culturas. Considerando a grande variabilidade ambiental a que esse inseto está submetido, objetivou-se estudar aspectos biológicos dessa cochonilha em cafeeiro (Coffea arabica) em diferentes temperaturas e determinar as suas exigências térmicas. O experimento foi conduzido em câmaras climatizadas a 70 ± 10% UR, 12 horas de fotofase e temperaturas de 15, 20, 25, 30 e 35ºC. Os resultados obtidos evidenciaram que a temperatura influenciou o desenvolvimento ninfal de P. citri,exceto o segundo ínstar de machos. A duração da fase ninfal de fêmeas variou de 77 a 30 dias quando se elevou a temperatura de 15 para 30º C e a longevidade das fêmeas foi maior para as condições extremas (15 e 30º C). Na fase ninfal, houve 100% de mortalidade quando expostas a 35º C, verificando-se menor valor (30%) a 25º C. A velocidade de desenvolvimento em função da temperatura ajustou-se ao modelo linear da hipérbole. Analisando os dados de exigências térmicas verificou-se que o limite inferior de temperatura (Tb) foi menor para os diferentes ínstares dos machos em relação aos das fêmeas. Os resultados indicaram que as baixas temperaturas prolongaram o desenvolvimento do inseto, e que a temperatura mais favorável foi de 25º C e as mais desfavoráveis foram as de 15 e 35º C.