Evaluation of three varieties of Megathyrsus maximus in the dry period
Barra lateral del artículo
Publicado:
jun. 3, 2016
Contenido principal del artículo
Resumen
To characterize morphoagronomical and quality indicators of Megathyrsus maximus cv. Likoni, Mombaza and Tanzania in the dry period, a random block design with five replications and three treatments which corresponding to the studied varieties was used. Plots of 5x7 m were sown and the cutting height was of 10 cm above soil level. The study was developed during two consecutive years. The determined indictors were: dry matter content of the
whole plant, height, dry matter yield, morphological composition, length and width of leaves, number of tillers and number of plants/m2. The quality indicators of plants were also analyzed: crude protein, neutral detergent fiber and acid detergent fiber. Mombaza and Tanzania had the highest yields (P < 0.001) during the first year, with values of 3.84 and 3.94 t/ha, respectively, while Likoni and Tanzania showed the highest yields(P < 0.001) in the
second year (2.49 and 2.46 t/ha, respectively). The Likoni variety showed the lower (P < 0.001) leaves percentage (65.42 % and 67.84 %) and higher (P < 0.001) of stems (34.58 % and 20.47 %) during the first and second year, respectively. The quality indicators: crude protein, EE, neutral detergent fiber, acid detergent fiber, lignin, cellulose, hemicelluloses and in vitro dry matter digestibility showed no differences between varieties. It is concluded that the
plants studied had an adequate agroproductive performance under the edphoclimatic and management conditions in which the study was carried out. The Mombaza and Tanzania varieties are a good option to counteract the lack of food in the dry period because of its higher leaves proportion, which provides a higher quality to the food.
Key words: Megathyrsus, quality, morphoagronomical performance,
dry period
whole plant, height, dry matter yield, morphological composition, length and width of leaves, number of tillers and number of plants/m2. The quality indicators of plants were also analyzed: crude protein, neutral detergent fiber and acid detergent fiber. Mombaza and Tanzania had the highest yields (P < 0.001) during the first year, with values of 3.84 and 3.94 t/ha, respectively, while Likoni and Tanzania showed the highest yields(P < 0.001) in the
second year (2.49 and 2.46 t/ha, respectively). The Likoni variety showed the lower (P < 0.001) leaves percentage (65.42 % and 67.84 %) and higher (P < 0.001) of stems (34.58 % and 20.47 %) during the first and second year, respectively. The quality indicators: crude protein, EE, neutral detergent fiber, acid detergent fiber, lignin, cellulose, hemicelluloses and in vitro dry matter digestibility showed no differences between varieties. It is concluded that the
plants studied had an adequate agroproductive performance under the edphoclimatic and management conditions in which the study was carried out. The Mombaza and Tanzania varieties are a good option to counteract the lack of food in the dry period because of its higher leaves proportion, which provides a higher quality to the food.
Key words: Megathyrsus, quality, morphoagronomical performance,
dry period
Detalles del artículo
Cómo citar
Fortes, D., Valencia, D., García, C. R., García, M., Cruz, A. M., & Romero, A. (2016). Evaluation of three varieties of Megathyrsus maximus in the dry period. Cuban Journal of Agricultural Science, 50(1). Recuperado a partir de https://cjascience.com/index.php/CJAS/article/view/604
Sección
Ciencia de los pastos y otros cultivos
Aquellos autores/as que tengan publicaciones con esta revista, aceptan los términos siguientes:
- Los autores/as conservarán sus derechos de autor y garantizarán a la revista el derecho de primera publicación de su obra, el cuál estará simultáneamente sujeto a la Licencia Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) que permite a terceros compartir la obra siempre que se indique su autor y su primera publicación esta revista. Bajo esta licencia el autor será libre de:
- Compartir — copiar y redistribuir el material en cualquier medio o formato
- Adaptar — remezclar, transformar y crear a partir del material
- El licenciador no puede revocar estas libertades mientras cumpla con los términos de la licencia
Bajo las siguientes condiciones:
- Reconocimiento — Debe reconocer adecuadamente la autoría, proporcionar un enlace a la licencia e indicar si se han realizado cambios. Puede hacerlo de cualquier manera razonable, pero no de una manera que sugiera que tiene el apoyo del licenciador o lo recibe por el uso que hace.
- NoComercial — No puede utilizar el material para una finalidad comercial.
- No hay restricciones adicionales — No puede aplicar términos legales o medidas tecnológicas que legalmente restrinjan realizar aquello que la licencia permite.
- Los autores/as podrán adoptar otros acuerdos de licencia no exclusiva de distribución de la versión de la obra publicada (p. ej.: depositarla en un archivo telemático institucional o publicarla en un volumen monográfico) siempre que se indique la publicación inicial en esta revista.
- Se permite y recomienda a los autores/as difundir su obra a través de Internet (p. ej.: en archivos telemáticos institucionales o en su página web) antes y durante el proceso de envío, lo cual puede producir intercambios interesantes y aumentar las citas de la obra publicada. (Véase El efecto del acceso abierto).