Results 81 to 90 of about 1,336 (178)

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

open access: yesCiência 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   +2 more
doaj   +1 more source

Nutrição e vigor de mudas de cafeeiro e infestação por bicho mineiro [PDF]

open access: yesCiência Rural, 2004
Avaliou-se o efeito da disponibilidade de N e K sobre o vigor das plantas e ataque de bicho mineiro a mudas de cafeeiro, cultivar Catuaí Vermelho IAC 99. O experimento foi conduzido em solução nutritiva e em casa de vegetação.
Sérgio Luiz Caixeta   +5 more
doaj   +1 more source

Risk analysis of climate change on coffee nematodes and leaf miner in Brazil Análise de risco da mudança climática sobre nematóides e o bicho-mineiro do cafeeiro no Brasil

open access: yesPesquisa Agropecuária Brasileira, 2008
The objective of this work was to assess the potential impact of climate change on the spatial distribution of coffee nematodes (races of Meloidogyne incognita) and leaf miner (Leucoptera coffeella), using a Geographic Information System.
Raquel Ghini   +4 more
doaj   +1 more source

Transformation of coffee (Coffea Arabica L. cv. Catimor) with the cry1ac gene by biolistic, without the use of markers

open access: yesBrazilian Journal of Biology
The transformation of coffee plantlets with the cry1ac gene of Bacillus thuringiensis was achieved by biolistic using either the whole pUBC plasmid or only the ubi-cry1ac-nos genetic cassette.
Z De Guglielmo-Cróquer   +3 more
doaj   +1 more source

INICIAÇÃO CIENTÍFICA COM ALUNOS DO ENSINO FUNDAMENTAL EM ALEGRE-ES: RESULTADOS PARCIAIS DO USO DE PLANTAS MEDICINAIS

open access: yesRevista UniVap, 2016
Este artigo apresenta resultados preliminares do trabalho de pesquisa junto a estudantes da EEEFM Aristeu Aguiar, Alegre-Espírito Santo. No projeto são desenvolvidas atividades voltadas a jovens interessados em aprender a preparar domissanitários que tem
Antônio João Viana Batista   +8 more
doaj   +1 more source

Morphometric variation and fluctuating asymmetry in populations of Closterocerus coffeellae (Ihering) (Hymenoptera: Eulophidae) in different management and landscape of coffee agroecosystems

open access: yesBiological Control
Closterocerus coffeellae (Hymenoptera: Eulophidae) is a parasitoid of the coffee leaf miner occurring in coffee farms with high selection pressure caused by pesticides and different landscape patterns on the surrounding crops.
Mateus P. dos Santos   +10 more
doaj   +1 more source

Produtos naturais e sintéticos no controle de Leucoptera coffeella (Guérin-Mèneville & Perrottet, 1842) (Lepdoptera: Lyonetiidae) e seus efeitos sobre a predação por vespas Natural and sinthetic products in the control of Leucoptera coffeella (Guérin-Mèneville & Perrottet, 1842) (Lepidoptera: Lyonetiidae) and their effects on predation for wasps

open access: yesCiência e Agrotecnologia, 2006
O controle do bicho-mineiro-do-cafeeiro Leucoptera coffeella (Guérin-Mèneville & Perrottet, 1842) é realizado por meio de inseticidas de amplo espectro de ação, capazes de causar desequilíbrios biológicos, sendo importante a busca por produtos que ...
José Marcos Angélico de Mendonça   +4 more
doaj   +1 more source

SUSCEPTIBILITY OF 7 CULTIVARS OF COFFEA ARABICA L. TO LEUCOPTERA COFFEELLA (GUÉRIN-MÉNEVILLE)

open access: yesThe Journal of Agriculture of the University of Puerto Rico, 1986
SUSCEPTIBILITY OF 7 CULTIVARS OF COFFEA ARABICA L. TO LEUCOPTERA COFFEELLA (GUÉRIN-MÉNEVILLE)
openaire   +2 more sources

Capture of Leucoptera Coffeella (Lepidoptera: Lyonetiidae) In Sex Pheromone Traps And Damage Intensity

open access: yesRevista Colombiana de Entomología, 2012
The use of pheromone traps was tested for monitoring males of the coffee leaf miner, Leucoptera coffeella (Guérin-Méneville) (Lepidoptera: Lyonetiidae). Insect sampling was carried out in seven coffee plantations under different agronomic conditions in the two regions - Triângulo Mineiro and ...
Tito Bacca   +2 more
openaire   +1 more source

Transformation of coffee (Coffea Arabica L. cv. Catimor) with the cry1ac gene by biolistic, without the use of markers Transformação do café (Coffea arabica L. cv. Catimor) com o gene cry1ac por bombardeamento, sem usar marcadores

open access: yesBrazilian Journal of Biology, 2010
The transformation of coffee plantlets with the cry1ac gene of Bacillus thuringiensis was achieved by biolistic using either the whole pUBC plasmid or only the ubi-cry1ac-nos genetic cassette.
Z De Guglielmo-Cróquer   +3 more
doaj  

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