Anatomia do lenho de Erythroxylum substriatum

Raddatz, Dione Dambrós; Machado, Paulo Fernando dos Santos; Rosa, Rossana Cortelini da; Sousa, Rita dos Santos; Sutili, Fabrício Jaques; Marchiori, José Newton Cardoso

doi:10.5902/2358198033224

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“…The structure of the wood is typical of the genus Erythroxylum, which diffuse porosity of polygonal contour and thin walls, mean vascular elements with simple, oblique perforation plates of short appendages (Record & Hess, 1943;Metcalfe & Chalk, 1972;Raddatz et al, 2018). Given the high percentage thick-walled fibers, their wood can be indicated for different uses, the most relevant being the generation of energy, such as coal or firewood.…”

Section: Resultsmentioning

confidence: 99%

Prognostic of the Using Wood of Erythroxylum myrsinites Mart. Under the Anatomic Prism

Rosa¹,

Raddatz²,

Machado³

et al. 2019

JAS

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The composition of the wood and its elements are considered determinants in the wood properties, standing out the fibers, axial parenchyma, number of vessels and rays. In this context, we aimed to investigate and describe the wood anatomical structure of the Erythroxylum myrsinites Mart. and identify its potential uses in the area of wood technology. From the tree, were removed three wood samples for the confection of anatomical slides, witch 3 × 3 × 3 cm, oriented we plans transversal, longitudinal and tangential longitudinal. For the preparation of histological blades, the method of Burger and Richter was adopted; the anatomical description was based on IAWA Committee recommendations. The species presents vessels numerous, solitary, composing 19% of the volume of wood. Diffuse porosity of polygonal contour and thin walls. Mean vascular elements, axial parenchyma representing 3% of the volume of the wood, in a paratracheal vasicentric arrangement. The rays are numerous, occupying 23% of the volume of the wood, narrow and heterogeneous, consisting of procumbent, square and erect cells. The fibers are libriform, of length medium and thick walls, occupying 55% of the volume of the wood, have spiral thickening and septate fibers, absent tracheids, and gelatinous fibers abundant. The characteristics presented give high flexibility to the stem and branches, and the wood with low specific mass, permeable and resistant to mechanical loads has potential for use in energy generation.

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Section: Resultsmentioning

confidence: 99%