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Se llevó a cabo un estudio tendiente a reconocer e identificar los enemigos naturales de las principales especies de moscas blancas (Homoptera: Aleyrodidae), en varios cultivos y regiones de Co lombia y Ecuador y determinar los agentes con mayor potencial en el control biológico de las especies p...
Se estableció en Ecuador y Colombia la distribución de las especies de moscas blancas más importantes que están afectando cultivos semestrales. Se identificaron, mediante RAPD con el cebador OPA-04, la mosca blanca de los invernaderos Trialeudores vaporariorum (Westwood) y los biotipos A y B de B...
Gap analysis is a well-established conservation technique that identifies areas in which selected elements of biodiversity are represented and through comparison with existing in situ protected area networks identifies habitats or ecosystems that need additional protection. We aim to demonstrate ...
The Kuri is a rare, little known breed of cattle of the Hamitic Longhorn (Bos taurus longifrons) type which is found on the islands and shores of Lake Chad Basin in the area covering the common borders of Cameroon, Chad, Niger and Nigeria. It is taller and more massive than its longhorn counterpa...
The genetic history of African cattle pastoralism is controversial and poorly understood. We reveal the genetic signatures of its origins, secondary movements, and differentiation through the study of 15 microsatellite loci in 50 indigenous cattle breeds spanning the present cattle distribution i...
Cassava is an important crop in Colombia grown on approximately 196 000 hectares of land. One of the limiting factors for production is Xanthomonas axonopodis pv. manihotis (Xam). The geographical distribution of the disease and its incidence are described for different ecological zones of Colomb...
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