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Evaluation of fiber dimensions of Dendrocalamus giganteus Munro, em diferentes idades

Ciência florestal, 2014-01, Vol.24 (1), p.251 [Peer Reviewed Journal]

COPYRIGHT 2014 Universidade Federal de Santa Maria ;ISSN: 1980-5098 ;EISSN: 1980-5098

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  • Title:
    Evaluation of fiber dimensions of Dendrocalamus giganteus Munro, em diferentes idades
  • Author: Marinho, Nelson Potenciano ; Nisgoski, Silvana ; de Muniz, Graciela Ines Bolzon
  • Subjects: Bamboo ; Materials research ; Physiological aspects ; Plant fibers ; Wood-pulp
  • Is Part Of: Ciência florestal, 2014-01, Vol.24 (1), p.251
  • Description: This study aimed to evaluate the fiber dimension of Dendrocalamus giganteus culms in 2-6 years old. Samples from basal portion of culms were macerated and sliced in sliding microtome for dimension fibers evaluation and histological cut production. Results showed that fibers increased in length with culms age, being the smallest and the biggest lengths 3266 and 3878.57 µm, observed in 3° and 6° years, respectively. The fibers showed smaller and bigger wall thickness in 6° and 2° years, with value of 7.11 and 10.46 µm, respectively. The anatomical tissue of culms varied from 12.8, 47.6 and 39.6 for vascular bundles, fibers and parenchyma, respectively. Keywords: giant bamboo; fibers; anatomy. O presente trabalho teve como objetivo avaliar as dimensoes das fibras dos colmos de Dendrocalamus giganteus na idade de 2-6 anos. Corpos de prova de amostras das posicoes basais dos colmos foram macerados e cortados em microtomo de deslize para a avaliacao das dimensoes das fibras e confeccao de cortes histologicos. Os resultados indicaram que as fibras aumentaram em comprimento com a idade dos colmos, sendo o menor e maior comprimento de 3.266 e de 3.878,57 µm, verificado no 3° e 6° ano, respectivamente. As fibras apresentaram menor e maior espessura da parede no 6° e 2° anos, com valores de 7,11 e 10,46 µm, respectivamente. Os tecidos anatomicos do colmo variaram de 12,8, 47,6 e 39,6% para os feixes vasculares, fibras e parenquima, respectivamente. Palavras-chave: bambu-gigante; fibras, anatomia.
  • Publisher: Universidade Federal de Santa Maria
  • Language: Spanish
  • Identifier: ISSN: 1980-5098
    EISSN: 1980-5098
  • Source: Bioline International
    DOAJ Directory of Open Access Journals
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