Results 21 to 30 of about 5,614 (189)

Tomato yellow spot virus, a tomato-infecting begomovirus from Brazil with a closer relationship to viruses from Sida sp., forms pseudorecombinants with begomoviruses from tomato but not from Sida

Journal of General Virology, 2006
Geminiviruses are characterized by a circular, single-stranded DNA genome and twinned icosahedral particles. Begomoviruses (whitefly-transmitted geminiviruses) are a major constraint to crop production worldwide. In Brazil, tomato-infecting begomoviruses emerged as serious pathogens over the last 10 years, due to the introduction of a new biotype of ...
E C, Andrade, G G, Manhani, P F, Alfenas, R F, Calegario, E P B, Fontes, F M, Zerbini   +5 more
openaire   +2 more sources

Self-reported data: a major tool to assess compliance with anti-malarial combination therapy among children in Senegal. [PDF]

, 2009
BACKGROUND: Although there are many methods available for measuring compliance, there is no formal gold standard. Different techniques used to measure compliance were compared among children treated by the anti-malarial amodiaquine/sulphadoxine ...
Moulin Esmard, Patricia, Souares, Aurélia, Lalou, Richard, Le Hesran, Jean-Yves, Carlotti, M. P., Moulin, Patricia, Carlotti, Marie-Paule, Sarrassat, Sophie   +7 more
core   +1 more source

Influencia de los factores ambientales en la comunidad de zooplancton de las lagunas artificiales del Parque Ñu Guasú, Departamento Central, Paraguay

Investigación Agraria, 2018
El zooplancton es un integrante importante dentro de la comunidad biótica en un ecosistema acuático ya que actúan como bioindicadores, es por eso que el objetivo del presente trabajo fue determinar el efecto de los factores ambientales sobre ...
Gustavo Adolfo Villalba Duré, Gilberto Antonio Benítez Rodas, Karina Beatriz Núñez Goralewski   +2 more
doaj   +1 more source

Strukturelle Analyse der L-Ornithin N5-Monooxygenase SidA aus Aspergillus spp. [PDF]

, 2009
In the present study the L-ornithine N5-monooxygenase (SidA), a key enzyme of the Aspergillus siderophore biosynthesis pathway, has been recombinantly expressed, purified and crystallized for subsequent X-ray analysis and structure solution. Thereby SidA
Rochon, Maike
core   +1 more source

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

Sida pernambucensis Baracho & J. L. Brandao 2017, sp. nov.

, 2017
13. Sida pernambucensis Baracho & J.L. Brandão, sp. nov. (Figs. 3A – O, 7A) Similar to Sida teresinensis Krapovickas (2007: 200) by the stems covered with dense minute stellate and sparse long stalked-stellate trichomes, widely ovate leaf blades, stellate tomentose calyx, and mericarps 13, submuticous, but differs in the 1–2-nerved stipule ...
Brandão, José Lourenço, Baracho, George Sidney, Sales, Margareth Ferreira De, Filho, Marcelo Paulino Viegas   +3 more
openaire   +2 more sources

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

Mycotoxin management in the cereal supply chain: Advanced detection, detoxification, and smart packaging strategies

Journal of the Science of Food and Agriculture, EarlyView.
Abstract Mycotoxins remain a persistent threat to the safety and quality of cereal grains and other agricultural products, and their impact on human health continues to raise global concerns. In many situations, the practices traditionally used to control these toxins are no longer sufficiently effective. They can be costly, difficult to implement on a
Abolfazl Asqardokht‐Aliabadi, Dipendra Kumar Mahato, Jafar Mohammadzadeh Milani   +2 more
wiley   +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