Published

2003-01-01

Tolerancia de cinco leguminosas al aluminio en solución nutritiva.

Keywords:

Aluminio tolerancia, Leguminosas tropicales, Cajanus cajan, Canavalia ensiformis, Dolichos lablab, Leucaena leucocephala, Stizolobium deeringianum, Distribución de nutrientes. (es)

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Authors

  • Juan Carlos Pérez N
  • Nelson Walter Osorio V
  • Jaime Lotero C
Se realizó una investigación para determinar el grado de tolerancia a aluminio (Al) de cinco leguminosas tropicales: guandul (Cajanus cajan L. Mills), canavalia (Canavalia ensiformis L.), frijol jacinto (Dolichos lablab L.), leucaena (Leucaena leucocephala (C. Lam.) De Witt) y fríjol terciopelo (Stizolobium deeringianum Bort.). Las plantas crecieron bajo cinco concentraciones de Al: 0, 2, 4, 8 y 16 mg L-1 en solución nutritiva. La leguminosa más afectada por las concentraciones de Al fue L. leucocephala, la cual exhibió una disminución significativa en la producción de materia seca y en la traslocación de P hacia la parte aérea. En las otras leguminosas la materia seca y la distribución de P fueron poco afectados.

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