CERZOS 05458
CENTRO DE RECURSOS NATURALES RENOVABLES DE LA ZONA SEMIARIDA
Unidad Ejecutora - UE
congresos y reuniones científicas
Título:
Aboveground biomass in warm-season native, naturalized and introduced perennial grasses in rangelands of central Argentina
Autor/es:
TORRES, Y.A., C.A. BUSSO, O.A. MONTENEGRO, H.D. GIORGETTI, G.D. RODRÍGUEZ, T. MONTANI Y A. MAIDANA
Lugar:
Tafí del Valle, Tucumán
Reunión:
Jornada; XXIV Jornadas Científicas de la Asociación de Biología de Tucumán; 2007
Institución organizadora:
Asociación de Biología de Tucumán
Resumen:
Rangelands of central Argentina characterize for the scarcity of warm-season native perennial grasses, palatable to domestic livestock. Because of this, 2 cultivars of palatable, water stress resistant, warm-season Leymus cinereus were recently introduced from the United Status The objective of this study was to compare forage production of the native, warm-season Pappophorum subbulbosum with that of L. cinereus, cv. Magnar and Trailhead. Studies were conducted under rainfed conditions in the Chacra Experimental de Patagones. A defoliation treatment was applied to half of the plants to 5 cm stubble without removing the apical meristem. Remaining plants were used as undefoliated controls. Dry matter production of controls was exactly compensated by the defoliated plants.
