La ultraestructura del hongo Rhizoctonia solani Kuehn, patógeno de Phaseolus vulgaris L. var. 'seminole', fue investigada utilizando microscopía de luz de alta resolución, microscopía de contraste de interferencia y ...

Se ofrece un nuevo sistema de clasificación de los sistemas ecológicos terrestres para Costa Rica. Se proponen 33 unidades fitogeográficas con su respectiva descripción. Las unidades fitogeográficas se definen por patrones ...

When designing schemes such as conditional cash transfers or payments for ecosystem services, the choice of whom to select and whom to exclude is critical.We incentivize and measure actual contributions to an environmental ...

Crop health management systems can be designed according to practices that help to reduce crop losses by restricting pathogen development and promoting host plant growth. A good understanding of pathogen and host dynamics, ...

Whilst it is established that almost all cultivated coffee (Coffea arabica L.) varieties originated in Yemen after some coffee seeds were introduced into Yemen from neighboring Ethiopia, the actual coffee genetic diversity ...

Este artículo examina brevemente la importancia de técnicas de bio-ensayos en el Manejo de la Resistencia de los Herbicidas y del nivel de residuos del suelo, factores que forman la selección de organismos-pruebas, el ...

The yield response of cantaloupes grown unde Reemay row cover until female flower appearance was evaluated at La Granja, El Palenque, Los Patos and Monjaras, Departament of Choloteca, Honduras, during the second planting ...

Acute concerns over the status of ecosystems providing benefits to human communities, and deep uncertainties over the consequences of future climate change, call for new policy choices, as well as improved methods for ...