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Effect of post-fire defoliation on growth of two native grasses in the Caldenal, Argentina Phyton
Peláez,DV; Bóo,RM; Mayor,MD; Elia,OR; Martínez,SA.
Plant growth in semiarid rangelands may be affected by time grazing is excluded during the post-fire regeneration period. The objective of this field work was to study the effect of post-fire defoliation at different phenological stages [vegetative (early-season defoliation) and internode elongation (late-season defoliation)] on growth of Piptochaetium napostaense and Poa ligularis, two very important perennial native grasses in the temperate semi-arid region of central Argentina (Caldenal). In general, the post-fire defoliation treatments did not affect the number of green leaves on tillers of P. napostaense. Early-season post-fire defoliation generally reduced the number of green leaves on tillers of P. ligularis in comparison to those in control plants....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Piptochaetium napostaense; Poa ligularis; Caldenal; Grass growth; Post-fire resting.
Ano: 2009 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-56572009000100004
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