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Rio Grande do Sul State's submetidas a pastoreio rotativo durante primavera e verao

dos Santos, Aline Bosak ; de Quadros, Fernando Luiz Ferreira ; Confortin, Anna Carolina Cerato ; Seibert, Liane ; Ribeiro, Bruna San Martim Rolim ; Severo, Paula de Oliveira ; Casanova, Pedro Trindade ; Machado, Greice Kelly Gomes

Ciência rural, 2014-01, Vol.44 (1), p.97 [Periódico revisado por pares]

Universidade Federal de Santa Maria

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  • Título:
    Rio Grande do Sul State's submetidas a pastoreio rotativo durante primavera e verao
  • Autor: dos Santos, Aline Bosak ; de Quadros, Fernando Luiz Ferreira ; Confortin, Anna Carolina Cerato ; Seibert, Liane ; Ribeiro, Bruna San Martim Rolim ; Severo, Paula de Oliveira ; Casanova, Pedro Trindade ; Machado, Greice Kelly Gomes
  • Assuntos: Grasses
  • É parte de: Ciência rural, 2014-01, Vol.44 (1), p.97
  • Descrição: The influence of rotational grazing intervals on morphogenesis of five native grasses from Rio Grande do Sul state (RS) central region, grouped according to a functional typology, was evaluated during spring and summer seasons. Leaf appearance rate, leaf elongation rate and leaf senescence rate (LAR/LER/LSR) phyllochron, leaf lifespan and leaf elongation duration (LLP/LED) were evaluated on Axonopus affinis, Aristida laevis, Andropogon lateralis, Paspalum notatum and Paspalum plicatulum, under two rotational grazing intervals, defined by thermal time (°C'), 375 and 750 degree-day, during 2010 spring and 2010/2011 summer. There was no significant difference between grazing intervals, but there was among species and between seasons. Paspalum notatum highlights significant adjustments to grazing. Axonopus affinis and P. notatum presented the largest LAR and smallest LLP, while A. lateralis presented morphogenic characteristics which contradict literature. Spring and summer was characterized as the growing and flowering periods, respectively. Grazing showed influence on forage morphogenesis, however, the evaluated grazing intervals had no effect on species development and the seasonal influence define native grasses development.
  • Editor: Universidade Federal de Santa Maria
  • Idioma: Espanhol
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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