Agronomía Costarricense ISSN Impreso: 0377-9424 ISSN electrónico: 2215-2202

OAI: https://revistas.ucr.ac.cr/index.php/agrocost/oai
Productive potential evaluation of new forage grasses for dry savanas of the Caribbean in Colombia.
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How to Cite

Tapia Coronado, J. J., Atencio Solano, L. M., Mejía Kerguelen, S. L., Paternina Paternina, Y., & Cadena Torres, J. (2019). Productive potential evaluation of new forage grasses for dry savanas of the Caribbean in Colombia. Agronomía Costarricense, 43(2). https://doi.org/10.15517/rac.v43i2.37943

Abstract

In these experiments, seven new kinds of forage grass, recently introduced to Colombia, were evaluated in order to quantify their productive potential and identify those with better performance as potential forage sources for the livestock production systems of the Caribbean Region in Colombia. The study was carried out under field conditions in farms of producers, in three locations of the dry savannas of the Caribbean, in Colombia, where the productive performance and the nutritional quality of the forage grasses were evaluated during a period of 12 months by means of harvested cuts, made both during the rainy and dry season. The results allowed selection by production and forage quality 6 grasses, which could be implemented in the livestock production systems of the dry savannas of the Caribbean, among which stands out especially the genotype CIAT6799 (Megathyrsus maximus) with average yields that was 4128.8 kg.ha-1.cut-1 of DM in the rainy season and 1200.7 kg.ha-1.cut-1 of DM in dry season, which far exceeds the pasture of greater use in the dry savannas B. pertusa cv. Colosuana. The average protein content of CIAT6799 was 8.95% and in situ digestibility was 57.05%. Based on these results, in later work, the outstanding genotypes were subjected to agronomic evaluation tests and the genotype CIAT6799 was registered under the commercial name of “Agrosavia Sabanera,” becoming a new option to be used by the farmers of the Caribbean Region in Colombia.

https://doi.org/10.15517/rac.v43i2.37943
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