Scientia Agrícola: Recent submissions

  • Bioprospecting endophytic bacteria for biological control of coffee leaf rust
    Shiomi, Humberto Franco; Silva, Harllen Sandro Alves; Melo, Itamar Soares de; Nunes, Flávia Vieira; Bettiol, Wagner (Escola Superior de Agricultura "Luiz de Queiroz", 2006-01)
    Suppression of plant diseases due to the action of endophytic microorganisms has been demonstrated in several pathosystems. Experiments under controlled conditions involving endophytic bacteria isolated from leaves and ...
  • Performance of Holstein-Zebu cows under partial replacement of corn by coffee hulls
    Tavares, Anamaria Almeida Costa; Pereira, Marcos Neves; Tavares, Marcelo Rodrigo; Chaves, Márcio Luiz (Escola Superior de Agricultura "Luiz de Queiroz", 2005-03)
    Replacement of corn by citrus pulp or coffee hulls explores the potential of dairy cows to digest fiber-rich feedstuffs. However, for the State of Minas Gerais, Brazil, replacing citrus pulp by coffee hulls may reduce milk ...
  • Avaliação da qualidade de frutos de café atacados por Ceratitis capitata (Wiedemann, 1824) (Diptera: Tephritidae)
    Cividanes, F.J.; Nakano, O.; Melo, M. (Escola Superior de Agricultura "Luiz de Queiroz", 1993-07)
    Foram usadas plantas de Coffea arabica L., variedade Catuaí Vermelho, localizadas no Campus da Escola Superior de Agricultura "Luiz de Queiroz" - USP, Piracicaba,SP, para avaliação dos danos que Ceratitis capitata (Wied., ...
  • Simple procedure for nutrient analysis of coffee plant with energy dispersive X-ray fluorescence spectrometry (EDXRF)
    Tezotto, Tiago; Favarin, José Laércio; Paula Neto, Ana; Gratão, Priscila Lupino; Azevedo, Ricardo Antunes; Mazzafera, Paulo (Escola Superior de Agricultura "Luiz de Queiroz", 2013-07)
    Nutrient analysis is used to estimate nutrient content of crop plants to manage fertilizer application for sustained crop production. Direct solid analysis of agricultural and envi- ronmental samples by energy dispersive ...
  • Clonal Arabica coffee resistant to Meloidogyne paranaensis and damage threshold on plants development
    Fatobene, Bárbhara Joana dos Reis; Gonçalves, Wallace; Oliveira, Claudio Marcelo Gonçalves; Guerreiro Filho, Oliveiro (Escola Superior de Agricultura "Luiz de Queiroz", 2019-05)
    Plants of Coffea arabica Icatu IAC 925 germplasm show resistance to Meloidogyne paranaensis under field conditions, but with variable rates of segregation. One mother plant, IAC 3, of Icatu IAC 925 was evaluated under ...
  • Dispersal capacity of fruit fly parasitoid Diachasmimorpha longicaudata (Hymenoptera: Braconidae) in irrigated coffee plantations
    Camargos, Maria Gisely; Alvarenga, Clarice Diniz; Giustolin, Teresinha Augusta; Paranhos, Beatriz Aguiar Jordão; Oliveira, Patrícia Cristina do Carmo; Rabelo, Marcelo Mendes (Escola Superior de Agricultura "Luiz de Queiroz", 2016-05)
    Diachasmimorpha longicaudata is an Old World parasitoid of tephritid fruit flies that was widely introduced in the Americas to control pest species such as the Mediterranean fruit fly Ceratitis capitata. Augmentative ...
  • Definition of management zones in coffee production fields based on apparent soil electrical conductivity
    Valente, Domingos Sárvio Magalhães; Queiroz, Daniel Marçal de; Pinto, Francisco de Assis de Carvalho; Santos, Nerilson Terra; Santos, Fábio Lúcio (Escola Superior de Agricultura "Luiz de Queiroz", 2012-05)
    Fertilizer application at variable rates requires dense sampling to determine the resulting field spatial variability. Defining management zones is a technique that facilitates the variable-rate application of agricultural ...
  • Histopathological characterization of Coffea arabica cultivar IPR 106 resistance to Meloidogyne paranaensis
    Shigueoka, Luciana Harumi; Dorigo, Orazília França; Arita, Lucas Yuuki; Fonseca, Inês Cristina de Batista; Silva, Santino Aleandro da; Sera, Gustavo Hiroshi; Machado, Andressa Cristina Zamboni (Escola Superior de Agricultura "Luiz de Queiroz", 2019-09)
    Meloidogyne species are widely distributed in coffee growing areas in Brazil, where M. paranaensis is responsible to significant losses to the crop. One of the main management strategies is the use of resistant cultivars, ...
  • Vegetative and productive aspects of organically grown coffee cultivars under shaded and unshaded systems
    Ricci, Marta dos Santos Freire; Rouws, Janaina Ribeiro Costa; Oliveira, Nelson Geraldo de; Rodrigues, Marinete Bezerra (Escola Superior de Agricultura "Luiz de Queiroz", 2011-07)
    Although Coffea arabica species has its origin in the African understories, there is great resistance on the part of the Brazilian producers for growing this species under agroforestry systems as they fear that shading ...
  • Genetic characterization of Xylella fastidiosa isolated from citrus and coffee plants
    Miranda, Vicente Savonitti; Farias, Paulo Roberto Silva; Roberto, Sérgio Rufo; Lacava, Pedro Magalhães (Escola Superior de Agricultura "Luiz de Queiroz", 2007-09)
    The Citrus Variegated Chlorosis and the Coffee Leaf Scorch are some of the many destructive diseases caused by Xylella fastidiosa, a gram-negative bacterium limited to the xylem of affected plants. As its genetic ...
  • Genetic diversity of cultivated Coffea arabica inbred lines assessed by RAPD, AFLP and SSR marker systems
    Maluf, Mirian Perez; Silvestrini, Milene; Ruggiero, Luciana Machado de Campos; Guerreiro Filho, Oliveiro; Colombo, Carlos Augusto (Escola Superior de Agricultura "Luiz de Queiroz", 2005-07)
    One of the greatest problems in Coffea arabica breeding is identifying precisely any inbred line, based only on botanical and agronomical descriptors, because of the reduced genetic variability of the species, close pedigree ...
  • Estudo da influência da época de coleta dos ramos, no enraizamento de estacas caulinares de café (Coffea arabica L. CV "Mundo Novo")
    Ono, E.O.; Rodrigues, J.D.; Pinho, S.Z. de (Escola Superior de Agricultura "Luiz de Queiroz", 1992-01)
    Na propagação vegetativa através de estacas caulinares, a época de retirada dos ramos, que serão utilizados na confecção das estacas, tem grande influência sobre seu enraizamento. Outro fator de grande relevância é o ...
  • Numerical modeling of actual evapotranspiration of a coffee crop
    Cesanelli, Andrés; Guarracino, Luis (Escola Superior de Agricultura "Luiz de Queiroz", 2011-07)
    The evapotranspiration estimation has great importance to crop productivity and agricultural water management. In this study, evapotranspiration is analyzed in a coffee (Coffea arabica L.) crop located in Piracicaba, state ...
  • Growth rate and nutritional status of an organic coffee cropping system
    Ricci, Marta dos Santos Freire; Alves, Bruno José Rodrigues; Miranda, Simone Cordeiro de; Oliveira, Fabio Freire de (Escola Superior de Agricultura "Luiz de Queiroz", 2005-03)
    In view of the low N concentration in organic fertilizers, it is necessary to use high rates of such fertilizers to attend coffee crop requirements. Hence, N is the most limiting nutrient for organic coffee production. The ...
  • Molecular identification of Aspergillus spp. isolated from coffee beans
    Magnani, Marciane; Fernandes, Thiago; Prete, Cássio Egidio Cavenaghi; Homechim, Martin; Ono, Elisabete Yurie Sataque; Vilas-Boas, Laurival Antonio; Sartori, Daniele; Furlaneto, Márcia Cristina; Fungaro, Maria Helena Pelegrinelli (Escola Superior de Agricultura "Luiz de Queiroz", 2005-01)
    Some species belonging to the genus Aspergillus are potential producers of ochratoxin A (OA), a mycotoxin with nephrotoxic, immunosuppressive, teratogenic and carcinogenic effects. The aim of the present study was to ...
  • Stomatal behavior and components of the antioxidative system in coffee plants under water stress
    Deuner, Sidnei; Alves, José Donizeti; Zanandrea, Ilisandra; Goulart, Patrícia de Fátima Pereira; Silveira, Neidiquele Maria; Henrique, Paôla de Castro; Mesquita, Alessandro Carlos (Escola Superior de Agricultura "Luiz de Queiroz", 2011-01)
    Coffee (Coffea arabica) plants show a positive relationship between stomatal closure and formation and accumulation of H2O2. However, for coffee plants under water restriction such relationship has never been studied. The ...
  • Life table of Hypothenemus hampei (Ferrari) in relation to coffee berry phenology under Colombian field conditions
    Ruiz-Cárdenas, Ramiro; Baker, Peter (Escola Superior de Agricultura "Luiz de Queiroz", 2010-11)
    The overlap of generations of coffee berry borer (CBB), Hypothenemus hampei (Ferrari) under field conditions in countries like Colombia hinders the construction of life tables by the sampling of natural populations. In ...
  • Production and vegetative growth of coffee trees under fertilization and shade levels
    Jaramillo-Botero, Catalina; Santos, Ricardo Henrique Silva; Martinez, Herminia Emilia Prieto; Cecon, Paulo Roberto; Fardin, Merci Pereira (Escola Superior de Agricultura "Luiz de Queiroz", 2010-11)
    It is difficult to separate the effects of light reduction versus nutrient and water competition in agroforestry systems. The objective of this experiment was to evaluate the effect of shading and fertilizer supply on the ...
  • Brachiaria decumbens supresses the initial growth of Coffea arabica
    Dias, Guilherme Faus da Silva; Alves, Pedro Luís da Costa Aguiar; Dias, Tomás Carneiro de Souza (Escola Superior de Agricultura "Luiz de Queiroz", 2004-11)
    Brachiaria decumbens vem se tornando uma das plantas daninhas mais freqüentes na infestação de cafezais em formação, pois além de sua elevada agressividade e dificuldade de controle, está ocorrendo expansão das áreas ...
  • Extração e dosagem da atividade da polifenoloxidase do café
    Mazzafera, Paulo; Gonçalves, Kátia Viviane; Shimizu, Milton Massao (Escola Superior de Agricultura "Luiz de Queiroz", 2002-10)
    A atividade de polifenoloxidase (PFO) tem sido usada como indicadora da qualidade de bebida de café. Foram feitas comparações entre o método tradicionalmente usado para extração de polifenoloxidase de café e outro, onde ...

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