Results 91 to 100 of about 795,291 (187)

Control of the leaf miner (Leucoptera coffeella) on coffee crop in Costa Rica

open access: yes, 2021
Introducción. El minador (Leucoptera coffeella) es un micro-lepidóptero cuyas larvas se alimentan de hojas de las plantas de café y hacen galerías en la lámina foliar, que provocan defoliación cuando la infestación es abundante. No obstante, el potencial daño de este insecto no se había presentado en el país sino hasta el 2019. Objetivo.
Ramírez Valerio, Daniel   +1 more
openaire   +1 more source

Hyperspectral Characterization of Coffee Leaf Miner (Leucoptera coffeella) (Lepidoptera: Lyonetiidae) Infestation Levels: A Detailed Analysis

open access: yesAgriculture
Brazil is the largest coffee producer in the world. However, it has been a challenge to manage the main pest affecting the plant’s foliar part, the Coffee Leaf Miner (CLM) Leucoptera coffeella (Lepidoptera: Lyonetiidae).
Vinicius Silva Werneck Orlando   +5 more
doaj   +1 more source

Spatial and temporal dynamics of coffee-leaf-miner and predatory wasps in organic field in formation.

open access: yes, 2012
The coffee production is an economic mainstay for many countries in the world. Brazil is the world?s largest producer and exporter of coffee, being responsible for about 25% of the world production.
ZACARIAS, M. S.   +3 more
core  

Performance of f1 hybrids of arabica coffee with simultaneous resistance to leaf rust, bacterial blight and leaf miner

open access: yes, 2015
O objetivo deste estudo foi selecionar híbridos F1 com alta produtividade, elevado vigor vegetativo e com resistência simultânea à ferrugem, mancha aureolada e ao bicho-mineiro. Os experimentos foram instalados em três diferentes municípios do estado do Paraná: Londrina, na estação experimental do Instituto Agronômico do Paraná (IAPAR); Congonhinhas e ...
Andreazi, Elder   +7 more
openaire   +2 more sources

Caffeine does not protect coffee against the leaf miner Perileucoptera coffeella

open access: yes, 2015
The larvae of Perileucoptera coffeella, a leaf miner, is one of the main pests attacking coffee plantations. Caffeine is the major alkaloid in this crop and may have a role in insect resistance.
Guerreiro, O, Mazzafera, P
core  

Habitual coffee consumption and blood pressure: An epidemiological perspective [PDF]

open access: yes, 2008
This paper summarizes the current epidemiological evidence on coffee consumption in relation to blood pressure (BP) and risk of hypertension. Data from crosssectional studies suggest an inverse linear or U-shaped association of habitual coffee use with ...
Johanna M Geleijnse, Geleijnse, J.M.
core  

50 MANAGEMENT OF COFFEE LEAF MINER: SPRAY VOLUME, EFFICACY OF CARTAP HYDROCHLORIDE AND IMPACT ON PARASITISM [PDF]

open access: yes, 2019
The leaf miner is a key pest of coffee and the use of insecticides for its control results in high water consumption. The objective in this study was to evaluate the quali-quantitative aspects of reduced spray volumes with and without the addition of ...
Silva, Wesley Gil Oliveira   +8 more
core  

Coffee leaf miner resistance

open access: yes, 2018
The coffee leaf miner, Leucoptera coffeella, is a common pest of coffee plantations in Brazil. Though it is effective, chemical control substantially increases the cost of production and constitutes a significant risk for the environment.
Guerreiro-Filho, Oliveiro
core  

APPLICATIONS OF COPPER-BASED FUNGICIDES AND INFESTATIONS OF Leucoptera coffeella (Guérin-Mèneville & Perrottet) IN COFFEE PLANTS [PDF]

open access: yes, 2019
The present study aimed to evaluate the effects of applying fungicides with different sources of copper and of the number of applications on the occurrence of Leucoptera coffeella (Guérin-Menéville & Perrottet, 1842) (Lepidoptera: Lyonetiidae) and on
Carvalho, Geraldo Andrade   +3 more
core  

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