Results 41 to 50 of about 12,287 (171)

Growth, nutrition and health of coffee seedlings grown with increasing limestone doses in the substrate

open access: yesRevista Agrogeoambiental, 2023
During coffee crop formation, seedlings quality is an essential factor to ensure the plants full development. Applying limestone to the substrate is a common practice to correct acidity, thus increasing nutrient availability.
Gabriela de Oliveira Santos Reis   +3 more
doaj   +1 more source

Identificación de las principales enfermedades de la planta del café (Coffea arabica) a través de visión artificial

open access: yesCiencia Ergo Sum, 2023
Se utilizan técnicas de reconocimiento de patrones para identificar hojas sanas y cuatro enfermedades de la planta del café Coffeea arabica. Las enfermedades son la roya del café, el minador de la hoja, phoma quema y Cercospora coffeicola. Para lograrlo,
Oscar Eder Flores Colorado   +3 more
doaj   +1 more source

Abundance of Coffee berry borer in feral, abandoned and managed coffee on Hawaii Island

open access: yesJournal of Applied Entomology, Volume 144, Issue 10, Page 920-928, December 2020., 2020
Abstract Coffee berry borer (Hypothenemus hampei Ferrari), the most damaging insect pest of coffee worldwide, was first detected on Hawaii Island in 2010. Poorly managed, abandoned and feral coffee sites on the island have since been thought to harbour coffee berry borer (CBB) populations, which then negatively impact neighbouring coffee farms.
Melissa A. Johnson, Nicholas C. Manoukis
wiley   +1 more source

Comparison and validation of diagrammatic scales for brown eye spots in coffee tree leaves Comparação e validação de escalas diagramáticas para cercosporiose em folhas de cafeeiro

open access: yesCiência e Agrotecnologia, 2011
A diagrammatic scale with six levels (0.1-3.0; 3.1-6.0; 6.1-12.0; 12.1-18.0;18.1-30.0; 30.1-49.0%) was developed, compared, and evaluated along with two other scales to measure the severity of brown eye spots in coffee trees leaves.
Adriano Augusto de Paiva Custódio   +5 more
doaj   +1 more source

Cercosporiose progression in the agroforestry consortium coffee-rubber trees

open access: yesSemina: Ciências Agrárias, 2015
Cercospora coffeicola is one of the primary diseases that affect coffee plants. Studies indicate that shaded coffee plants reduce the incidence of this disease and that the management of trees and coffee plants arrangement influence in the dissemination ...
Humberto Godoy Androcioli   +5 more
doaj   +1 more source

Produtos alternativos no controle da Hemileia vastarix (Berkeley & Broome) e Cercospora coffeicola (Berkeley & Cooke) em cafeeiros

open access: yes, 2012
O estudo foi realizado em município da região Norte do Estado do Paraná em cafeeiros da cultivar Icatu precoce IAC 3282 com oito anos de idade cultivados em espaçamentos de 2,0m x 0,8m, com o objetivo de avaliar a influência de produtos alternativos sobre a Cercosporiose e ferrugem do cafeeiro para uso em lavoura cultivado em sistema orgânico de ...
Androcioli, Humberto Godoy   +7 more
openaire   +2 more sources

Proteção do cafeeiro contra cercosporiose por acibenzolar-S-metil e proteína harpina Protection of coffee plants against brown eye spot by acibenzolar-S-methyl and harpin protein

open access: yesPesquisa Agropecuária Brasileira, 2010
O objetivo deste trabalho foi avaliar, em cafeeiro suscetível, a proteção contra a cercosporiose, pela aplicação da proteína harpina e acibenzolar-S-metil (ASM), e avaliar seu efeito na germinação de conídios e crescimento micelial in vitro.
Diogo Manzano Galdeano   +3 more
doaj   +1 more source

ADUBAÇÃO NITROGENADA E POTÁSSICA E SUA RELAÇÃO COM A INCIDÊNCIA DE CERCOSPORIOSE E FERRUGEM EM CAFEEIRO FERTIRRIGADO

open access: yesCiência Agrícola, 2020
O cafeeiro apresenta suscetibilidade a várias doenças, no entanto, as de maior importância e agressividade são a ferrugem, causada pelo fungo Hemileia vastatrix e a cercosporiose, cujo agente etiológico é o fungo Cercospora coffeicola.
Fabrício Júnio Silva   +4 more
doaj   +1 more source

Potential of essential oils for the control of brown eye spot in coffee plants Potencial de óleos essenciais no controle da cercosporiose-do-cafeeiro

open access: yesCiência e Agrotecnologia, 2011
The objectives of this work were to assess the in vitro effect of essential oils extracted from cinnamon, citronella, lemon grass, India clove, tea tree, thyme, neem and eucalyptus on the conidia germination and on mycelial growth of Cercospora ...
Ricardo Borges Pereira   +4 more
doaj   +1 more source

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