Efecto de eventos únicos y repetidos de anegamiento sobre gramíneas forrajeras tropicales en sistemas de corte y acarreo

Autores/as

  • Rowan W. Smith Tasmanian Institute of Agriculture, University of Tasmania, Tasmania, Australia
  • Thi Mui Nguyen Faculty of Animal Sciences and Veterinary Medicine, University of Agriculture and Forestry, Hue University, Vietnam
  • Nguyen Xuan Ba Faculty of Animal Sciences and Veterinary Medicine, University of Agriculture and Forestry, Hue University, Vietnam
  • Nguyen Huu Van Faculty of Animal Sciences and Veterinary Medicine, University of Agriculture and Forestry, Hue University, Vietnam
  • Jeff P. Corfield Corfield Consultants, Townsville, Australia
  • David Parsons Swedish University of Agriculture Sciences, Umeå, Sweden

DOI:

https://doi.org/10.17138/tgft(13)40-57

Resumen

La introducción de cultivares de forrajes mejorados ha mejorado la nutrición y el rendimiento del ganado de carne en sistemas de alimentación estabulada en sistemas de corte y acarreo en Vietnam y otros países del sudeste asiático. Sin embargo, la persistencia de estos forrajes puede reducirse por las condiciones de inundación y anegamiento en tierras bajas durante la temporada de monzones. Este estudio en macetas se estableció con 5 tratamientos de anegamiento (control, tratamiento único de 10 días, en ciclos de 10 días, tratamiento único de 20 días y anegamiento continuo) durante un período de 84 días después del establecimiento para evaluar la tolerancia al anegamiento de 7 cultivares de pastos mejorados. Urochloa humidicola (Rendle) Morrone & Zuloaga, Paspalum atratum Swallen. y Digitaria eriantha Streud. fueron los más tolerantes al anegamiento. El número de macollos y la producción de materia seca se vieron afectados negativamente por el anegamiento cíclico y contínuo en las especies menos tolerantes Megathyrsus maximus (Jacq.) B.K. Simon & S.W.L. Jacobs, Urochloa híbrido ‘Mulato II’ y Urochloa ruziziensis (R. Germ. y C.M. Evrard) Crins. Esta información ayudará a proponer recomendaciones a los pequeños agricultores sobre qué especies cultivar en condiciones de anegamiento continuo o repetido.

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Cómo citar

Smith, R. W., Nguyen, T. M., Ba, N. X., Van, N. H., Corfield, J. P., & Parsons, D. (2025). Efecto de eventos únicos y repetidos de anegamiento sobre gramíneas forrajeras tropicales en sistemas de corte y acarreo. Tropical Grasslands-Forrajes Tropicales, 13(1), 40–57. https://doi.org/10.17138/tgft(13)40-57

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Publicado

2025-01-31

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Artículos Científicos