Results 151 to 160 of about 795,291 (187)

Leaf alkaloids, phenolics, and coffee resistance to the leaf miner Leucoptera coffeella (Lepidoptera: Lyonetiidae). [PDF]

Journal of Economic Entomology, 2010
Coffee (Coffea spp.) alkaloids (caffeine and related methylxanthines) and phenolics (caffeic and chlorogenic acids) have recognized pestistatic/pesticidal activity and mediate insect-plant interactions. The present investigation assessed the resistance of 12 coffee genotypes to the leaf miner Leucoptera (= Perileucoptera) coffeella (Guérin-Méneville ...
Raul N. C. Guedes, R N C Guedes
exaly   +4 more sources

Molecular characterization of a miraculin-like gene differentially expressed during coffee development and coffee leaf miner infestation

Planta, 2010
The characterization of a coffee gene encoding a protein similar to miraculin-like proteins, which are members of the plant Kunitz serine trypsin inhibitor (STI) family of proteinase inhibitors (PIs), is described. PIs are important proteins in plant defence against insects and in the regulation of proteolysis during plant development.
Leandro Martínez, Oliveiro Guerreiro-Filho, Marcelo Menossi   +2 more
exaly   +5 more sources

Genetically modified coffee trees resistant to the coffee leaf miner, Perileucoptera coffeella [PDF]

Euphytica, 1999
A synthetic version of the Bacillus thuringiensis cry1Ac gene was used in transformation of coffee species (Coffea canephora and Coffea arabica) to confer resistance to an important pest in South America and East Africa, the coffee leaf miner (Perileucoptera coffeella and other Leucoptera spp.).
Leroy, Thierry, Henry, A.M., Philippe, René, Royer, Monique, Deshayes, Alain, Frutos, Roger, Duris, Daniel, Dufour, Magali, Tessereau, Sylviane, Jourdan, Isabelle, Bossard, G., Lacombe, Catherine, Fenouillet, Catherine   +12 more
core   +5 more sources

Arboreal Ant Abundance and Leaf Miner Damage in Coffee Agroecosystems in Mexico [PDF]

Biotropica, 2008
ABSTRACTShaded coffee agroecosystems traditionally have few pest problems potentially due to higher abundance and diversity of predators of herbivores. However, with coffee intensification (e.g., shade tree removal or pruning), some pest problems increase.
De la Mora, Aldo, Livingston, George, Philpott, Stacy M.   +2 more
openaire   +3 more sources

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Is Ceraeochrysa cubana a coffee leaf miner predator?

Biological Control, 2021
Abstract Coffee leaf miner (CLM), Leucoptera coffeella, is a key pest of unshaded coffee in hot, dry neotropical production areas. Control is hampered by CLM mining behavior that reduces biological control and pesticide efficacy. Therefore, finding natural enemies that can efficiently control CLM could improve conservation and augmentative biological
Elem F. Martins, Mayara L. Franzin, André L. Perez, Jason M. Schmidt, Madelaine Venzon   +4 more
openaire   +1 more source

On the accuracy of threshold genomic prediction models for leaf miner and leaf rust resistance in arabica coffee [PDF]

Tree Genetics & Genomes, 2023
Obtaining resistance cultivars for leaf miner and leaf rust are the main important strategy of Brazil?s national coffee breeding program. The narrow genetic basis, and founder effect consequences, lead to challenges in quantifying and detecting genetic ...
Humberto Fanelli Carvalho, Luís Felipe Ventorim Ferrão, Giovanni Galli, Juliana Vieira Almeida Nonato, Lilian Padilha, Mirian Perez Maluf, Márcio Fernando Ribeiro de Resende, Roberto Fritsche-Neto, Oliveiro Guerreiro-Filho   +8 more
openaire   +2 more sources

Coffee leaf miner severity annotation

2020
Coffea ...
Juliano de Paula Gonçalves, Emerson M. Del Ponte   +1 more
openaire   +1 more source

Prediction of outbreaks of coffee leaf-miners on Kilimanjaro

Bulletin of Entomological Research, 1969
Analysis of the results obtained from suction-trap catches of the coffee leaf-miners, Leucoptera meyricki Ghesq. and L. caffeina Wshbn. on an unsprayed block of coffee at the Coffee Eesearch Station, Lyamungu, on the slopes of Kilimanjaro, are given.By thermal summation methods it was possible to delimit successive generations of moths with some degree
M. Bigger, R. G. Tapley
openaire   +1 more source

Development of Coffee Trees Resistant to Leaf Miner

2000
The production of coffee in Brazil reached 34 million bags in 1999 being 29,5 million from Coffea arabica cultivars. Since all such cultivars are susceptible to leaf miner (Perileucoptera coffeella), the main pest in Brazil, the yield and economic losses are considerable.
O. Guerreiro-Filho, H. P. Medina-Filho, L. C. Fazuoli, W. Gonçalves   +3 more
openaire   +1 more source

Plants for fitness enhancement of a coffee leaf miner parasitoid

2022
Conservative biological control aims to enhance the pest control through the conservation of natural enemies in the field, one of the strategies used is to introduce or manage plants that provide food for natural enemies. The effect of feeding resources on the fitness of a coffee leaf miner parasitoid Proacrias coffeae was assessed.
openaire   +1 more source