Results 21 to 30 of about 5,089 (160)

Nuevos hospederos alternativos de begomovirus asociados al cultivo de ají en el Valle del Cauca.

Acta Agronómica, 2019
Los begomovirus (virus de plantas de DNA de cadena sencilla) son la principal amenaza para los cultivos que crecen en áreas subtropicales y tropicales de todo el mundo. Hay muchos estudios que han demostrado que los begomovirus evolucionan por mecanismos
Juan Carlos Vaca-Vaca, Viviana Corredor-Saenz, Frenyiline Jara-Tejada, Dyanela Betancourt-Andrade, Karina Lopez-Lopez   +4 more
doaj   +1 more source

Social bees can enhance the persistence of plant–bee interactions during seasonal changes in seasonally dry tropical forests

Ecological Entomology, EarlyView.
Social bees, especially Meliponini, formed a persistent core that maintained plant–bee interactions across both dry and green seasons in the Caatinga. Persistence was not linked to broader diets; social bees used fewer plant species, despite availability, indicating selective tracking of temporally concentrated floral resources.
Ana Letícia S. Lima, Cândida M. L. Aguiar, Celso F. Martins, Emanuelle L. S. Brito   +3 more
wiley   +1 more source

Supressão de plantas daninhas por leguminosas anuais em sistema agroecológico na Pré-Amazônia Suppression of weeds by annual leguminous plants under Amazon agroecological system

Planta Daninha, 2007
Este trabalho teve por objetivos identificar e avaliar a agressividade potencial das plantas daninhas em um agrossistema com leguminosas herbáceas anuais como cobertura de solo.
J.C. Araujo, E.G. Moura, A.C.F. Aguiar, V.C.M. Mendonça   +3 more
doaj   +1 more source

First Record of Arrhenophagus chionaspidis Aurivillius (Hymenoptera: Encyrtidae) Parasitizing White Mango Scale in Kenya: Its Potential Distribution and Prospects in Biocontrol

Journal of Applied Entomology, EarlyView.
ABSTRACT The white mango scale, Aulacaspis tubercularis Newstead (Hemiptera: Diaspididae), is one of the most destructive pests of mango worldwide. Its current management in most of the invaded areas largely depends on the intensive use of chemical insecticides.
Francis Obala, Abdelmutalab G. A. Azrag, Rehemah Gwokyalya, Shepard Ndlela, Ingo Grass, Georg Petschenka, Sunday Ekesi, Samira A. Mohamed   +7 more
wiley   +1 more source

Evaluación preliminar de toxicidad, genotoxicidad y actividad antimicrobiana de Sida rhombifolia L. Preliminary evaluation of Sida rhombifolia L. toxicity, genotoxicity and antimicrobial activity

Revista Colombiana de Biotecnología, 2007
La actual predisposición a consumir productos naturales y, en muchas regiones, la difícil disponibilidad y accesibilidad a los medicamentos han llevado a las poblaciones del mundo a buscar otras alternativas para aliviar sus dolencias.
Brugés Keile, Reguero Reza María Teresa   +1 more
doaj   +2 more sources

Multiple Sclerosis and Viruses: « Liaisons Dangereuses »

Reviews in Medical Virology, Volume 36, Issue 6, November 2026.
ABSTRACT Multiple sclerosis (MS) is a complex, multifactorial neurodegenerative disease with an aetiology that is still partially elusive. Several risk factors are associated with MS development including genetic predisposition and various environmental stressors; however, recently, viral infections have gained significant attention as a crucial ...
Samanta Plavina, Daniela Malakovska, Jolanta Kalnina, Ilva Trapina, Elina Leonova, Mohammed Habib, Susanne Schifmann, Jegors Paramonovs, Nikolajs Sjakste, Yegor Vassetzky, Emmanuel Drouet, Natalia Paramonova   +11 more
wiley   +1 more source

Ocorrência de Phyllocnistis sp. (Lepidoptera: Gracillariidae) em plantas da vegetação espontânea intercalar de pomar de citros no Rio Grande do Sul

Agropecuária Catarinense, 2021
O minador-das-folhas-dos-citros, Phyllocnistis citrella, Stainton (Lepidoptera: Gracillariidae), é uma importante praga da citricultura em diversos países.
Janaina pereira dos Santos, Fábio Kessler Dal Soglio, Luiza Rodrigues Redaelli   +2 more
doaj  

Acarofauna associada à vegetação espontânea de vinhedos

Ciência Rural, 2013
Objetivou-se identificar a acarofauna associada à vegetação espontânea presente em vinhedos de Vitis vinifera (L.) var. Cabernet Sauvignon, Merlot e Sémillon e V. labrusca (L.) var. Isabel.
Raquel Bottini de Moura, Fernanda de Oliveira de Andrade Bertolo, Ana Paula Ott   +2 more
doaj   +1 more source

Curcuma deliniana, a Rare New Curcuma Species (Zingiberaceae) Previously Misidentified as C. wenyujin

Ecology and Evolution, Volume 16, Issue 9, September 2026.
A new triplod Curcuma species from Guangxi in China, C. deliniana, is described and illustrated. It was previously misidentified as the medicinal plant C. wenyujin and used as a substitute or adulterant of C. kwangsiensis, whereas it differs from the latter two species.
Juan Chen, Hui‐Hong Wang, En‐Wei Tian, Nian‐He Xia   +3 more
wiley   +1 more source

Apoyo social y calidad de vida en pacientes con vih/sida, residentes en montería. Colombia

Revista Ciencias Biomédicas, 2020
Objetivo: determinar la asociación entre apoyo social y calidad de vida de los pacientes con VIH/SIDA que reciben tratamiento antirretroviral. Metodología: se realizo un estudio cuantitativo de tipo analítico.
Elizabeth Romero Massa, Concepción Amador Ahumada, Luis Alvis Estrada   +2 more
doaj   +1 more source