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ISSN: 0120-0135    frecuency : 4   format : Electrónica

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Volume 32 Number 2 Year 2015

12 articles in this issue 

Oscar Eduardo Checa C., Jessica Andrea Descance V., Maribel Xiomara Toro C., Sandra Lorena Álvarez, Claudia Salazar G.

The genetic variability of Trichoderma spp isolates was determined through RAPD markers. A high polymorphism was found with primers OPB 01, OPC 01, OPA 03, OPD 05, and OPA 01. The observed molecular variation was low (26%) among Trichoderma spp popul... see more

Pags. 3 - 12  

Elberth Hernando Pinzón, Andrea Johana Reyes, Javier Giovanni Álvarez-Herrera, María Fernanda Leguizamo, José Gregorio Joya

considerably their postharvest life. Therefore, we have developed different techniques to delay the ripening processes. These included atmospheric modification or storage at different temperatures; the latter is widely used due to its ease handling and lo... see more

Pags. 26 - 35  

Luis Fernando Campuzano D., José Molina G., Sanjaya Rajaram

Wheat breeding by alternating locations, known as Shuttle Breeding, has been the most efficient way to introduce and select genes for rust resistance, photoperiod insensitivity, and dwarfism, which are important attributes for increased yield. After 35 ye... see more

Pags. 36 - 45  

Miguel Soca, Martha Constanza Daza T.

This study evaluated the effect of zeolites on ammonia volatilization reductions (AVR) and leaching volume (LV), as well as on rice Oryza sativa L. and maize Zea mays L. yields. The first experiment was conducted in a completely random design (CRD) and ev... see more

Pags. 46 - 55  

José Cantero R., Laura Espitia N., Carlos Cardona A., César Vergara C., Hermes Araméndiz T.

Eggplant is conventionally cultivated in the Colombian Caribbean region, with high demand for agricultural inputs. The implementation of ecological crop management is not reported. Facing this problem, the effect of fertilization with organic manures on g... see more

Pags. 56 - 67  

Nelson Gutiérrez G., Oscar Mauricio Barrera B.

The purpose of this paper was to define a panel training methodology in the sensory evaluation of specialty coffees using the Specialty Coffee Association of America (SCAA) methodology. The training process included selection, motivation, theoretical supp... see more

Pags. 77 - 87  

Jorge Eduardo Castresana, Laura Elena Puhl

Since adult insects respond to particular wavelengths, some investigations have proposed to use such behavior as potential target for novel monitoring and pest control tools.Yellow sticky cards have been commonly used for monitoring whiteflies population ... see more

Pags. 88 - 93  

Túlio Armando Lerma H., Enrique Miguel Combatt., Manuel Salvador Palencia L.

Organic matter and the colloidal fraction are the main soil components  affected by indiscriminate  bush burning. As a consequence, soil structure deterioration, loss of cation exchange capacity (CEC), and soil fertility reduction occur due to t... see more

Pags. 94 - 103  

Dairo J. Pérez, Rodrigo O. Campo, Alfredo Jarma O.

This research aimed to study the physiological response of the white yam (Dioscorea rotundata cv. brasilero) in relation to increasing planting densities under environmental conditions of the mid-Sinú region. This study was conducted at the Universidad de... see more

Pags. 104 - 112  

Lina Tapia B., Hermes Aramendiz T., Jessica Pacheco Q., Alba Montalvo P.

This article is a review of how the clustering phenomenon in agriculture has been studied, given the importance of the link between production and agricultural systems’management models for market equilibrium of food products, in an environment that promo... see more

Pags. 113 - 124