Results 51 to 60 of about 12,287 (171)

Adubação orgânica, nutrição e progresso de cercosporiose e ferrugem-do-cafeeiro Organic fertilization, nutrition and the progress of brown eye spot and rust in coffee trees

Pesquisa Agropecuária Brasileira, 2008
O objetivo deste trabalho foi avaliar o efeito de fontes nutricionais orgânicas, no progresso da cercosporiose e da ferrugem-do-cafeeiro, entre novembro/2003 e novembro/2005.
Florisvalda da Silva Santos, Paulo Estevão de Souza, Edson Ampélio Pozza, Júlio César Miranda, Eudes Arruda Carvalho, Luiz Henrique Monteiro Fernandes, Adélia Aziz Alexandre Pozza   +6 more
doaj   +1 more source

Brown eye spot incidence during the vegetative stage of coffee grown in soil under sustainable management

Pesquisa Agropecuária Brasileira, 2022
The objective of this work was to evaluate the influence of different soil coverings, fertilizer types, and soil conditioners on the incidence and severity of brown eye spot (Cercospora coffeicola) in coffee (Coffea arabica) during the vegetative stage ...
Laís Sousa Resende, Edson Ampélio Pozza, André Luís Faustino Luz, Paulo Estevão de Souza, Marina Scalioni Vilela, Dalyse Toledo Castanheira, Rubens José Guimarães   +6 more
doaj   +1 more source

Extrato de casca de café, óleo essencial de tomilho e acibenzolar-S-metil no manejo da cercosporiose-do-cafeeiro Coffee berry husk extract, thyme essential oil and acibenzolar-S-methyl in the control of brown eye spot of coffee tree

Pesquisa Agropecuária Brasileira, 2008
O objetivo deste trabalho foi avaliar o efeito de concentrações de extrato de casca de café, óleo essencial de tomilho e acibenzolar-S-metil na germinação, no crescimento micelial e no desenvolvimento in vivo de Cercospora coffeicola, além de ...
Ricardo Borges Pereira, Eduardo Alves, Pedro Martins Ribeiro Júnior, Mário Lúcio Vilela de Resende, Gilvaine Ciavareli Lucas, Josimar Batista Ferreira   +5 more
doaj   +1 more source

Freqüência de ocorrência de agentes etiológicos, sintomas e origem de amostras do cafeeiro catalogados em 12 anos de clínica fitossanitária da UFLA Origin of coffee samples, frequency of ocurrence of ethiological agents and sympton in twelve years of the plant disease clinic at UFLA

Ciência e Agrotecnologia, 2003
Situada no sul de Minas Gerais, principal região cafeeira do país, a Clínica Fitossanitária da Universidade Federal de Lavras tem auxiliado os produtores, dando suporte na diagnose de doenças de origem biótica e abiótica, de modo a gerar subsídios para ...
Daniel Garcia Júnior, Edson Ampélio Pozza, Paulo Estevão de Souza, Viviane Talamini, Adélia Aziz Alexandre Pozza, Hilário Antônio de Castro, Ricardo Magela de Souza, Mário Sobral de Abreu, Ludwig Heinrich Pfenning   +8 more
doaj   +1 more source

Incidência de pragas e doenças em agroecossistemas de café orgânico de agricultores familiares em Poço Fundo-MG Incidence of plagues and diseases in agroecossystems of organic coffee of familiar farmers in Poço Fundo-MG

Ciência e Agrotecnologia, 2004
Objetivando-se determinar a incidência de pragas Leucoptera coffeella (GUÉRIN-MENÉVILLE, 1842) e Hypothenemus hampei (FERRARI, 1867) e doenças Hemileia vastatrix (BERK e BROOME, 1869) e Cercospora coffeicola (BERK e CURTIS, 1880), durante o período de ...
Márcia Martins, Antônio Nazareno Guimarães Mendes, Maria Inês Nogueira Alvarenga   +2 more
doaj   +1 more source

Genetic Variability of Cercospora coffeicola from Organic and Conventional Coffee Plantings, Characterized by Vegetative Compatibility [PDF]

Phytopathology®, 2008
Cercospora leaf spot is a destructive fungal disease that has become a threat to the coffee industry in Brazil. Nevertheless, little is known about populations of its causal agent, Cercospora coffeicola. We evaluated the potential of using nitrogen-nonutilizing (nit) mutants and vegetative compatibility groups (VCGs) to characterize the genetic ...
R B, Martins, L A, Maffia, E S G, Mizubuti   +2 more
openaire   +2 more sources

Analyses of expressed sequence tags from the maize foliar pathogen Cercospora zeae-maydis identify novel genes expressed during vegetative, infectious, and reproductive growth [PDF]

, 2008
Background The ascomycete fungus Cercospora zeae-maydis is an aggressive foliar pathogen of maize that causes substantial losses annually throughout the Western Hemisphere.
Dhillon, Braham, Bluhm, Burton H, Stephen B Goodwin, Kema, Gert HJ, Gert HJ Kema, Larry D Dunkle, Bluhm, B.H., Dunkle, Larry D, Goodwin Stephen B, Lindquist, E., Dunkle, L.D., Bluhm Burton H, Burton H Bluhm, Erika A Lindquist, Braham Dhillon, Lindquist Erika A, Lindquist, Erika A, Goodwin, S.B., Kema, G.H.J., Dunkle Larry D, Goodwin, Stephen B, Kema Gert HJ, Dhillon Braham   +22 more
core   +1 more source

Caracterización de sistemas productivos de café (Coffea arabica L.) en la Reserva Natural Tepec-Xomolth, Madriz, Nicaragua

Siembra, 2023
El presente estudio tuvo como objetivo caracterizar los sistemas productivos de café (Coffea arabica L.) en la Reserva Natural Tepec-Xomolth La Patasta, con énfasis en aspectos socioeconómicos, productivos, agronómicos y fitosanitarios.
Juan Carlos Morán Centeno, Edgardo Jiménez-Martínez   +1 more
doaj   +1 more source

Technology Roadmapping Architecture Based on Knowledge Management: Case Study for Improved Indigenous Coffee Production from Guerrero, Mexico

Journal of Sensors, Volume 2019, Issue 1, 2019., 2019
Having demonstrated its importance for economic and human developments, technological change is considered one of the biggest supports worldwide. Today, with the population increase, the inclusion of technology is considered the most appropriate way to reduce the impact of this challenge.
D. I. Contreras-Medina, E. Sánchez Osorio, L. A. Olvera Vargas, Y. Romero Romero, Jesus R. Millan-Almaraz   +4 more
wiley   +1 more source

Klasifikasi Penyakit Daun Kopi Robusta Menggunakan Metode SVM dengan Ekstraksi Ciri GLCM

Jurnal Nasional Teknik Elektro dan Teknologi Informasi, 2023
Tanaman kopi merupakan sumber pendapatan bagi beberapa petani di Indonesia dan berperan penting sebagai penghasil devisa negara. Produksi tanaman kopi dapat menurun akibat serangan hama dan penyakit.
Agus Supriyanto, R. Rizal Isnanto, Oky Dwi Nurhayati   +2 more
doaj   +1 more source