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Produção e avaliação da qualidade de lâminas de madeira de um híbrido de Pinus elliottii var. elliottii × Pinus caribaea var. hondurensis
Neste trabalho, objetivou-se avaliar o potencial da madeira do híbrido Pinus elliottii var. elliottii ×Pinus caribaea var. hondurensis, aos sete anos e dez meses de idade, para produção de lâminas. Foram avaliados os seguintes aspectos: a densidade da madeira, o rendimento do processo de laminação e a qualidade das lâminas produzidas a partir de toras retiradas de duas posições no tronco - uma da base (A) e outra subsequente (B). A madeira apresentou baixa densidade básica (0,320 g/cm³) e demonstrou facilidade para ser laminada. O rendimento médio do processo de laminação das toras, sem casca, foi de aproximadamente 53%. Lâminas classificadas nas classes C e C+ somadas corresponderam a aproximadamente 61% do total obtido. As toras da base (A) renderam maior número de lâminas, no entanto, de qualidade inferior em relação às produzidas pelas toras (B). Conclui-se que a madeira do híbrido estudado apresentou bom potencial para a produção de lâminas. This work aimed to evaluate the utilization potential of wood from Pinus elliottii var. elliottii x Pinus caribaea var. hondurensis hybrid, seven years and 10 months of age, for veneer production. Wood density, peeling yield and the quality of the veneers produced from logs taken from two positions on the tree trunk were assessed: from the base (A logs) and subsequent (B logs). The wood presented low basic density (0.320 g/cm³) and proved to be easily processed in the rotary cutting lathe. The peeling yield (average based on logs without bark) was approximately 53%. The veneers graded in the C and C+ classes accounted for approximately 61% of the total obtained. The A logs yielded more veneers, but the veneers produced presented lower quality compared with those produced from the B logs. We concluded that the hybrid wood herein studied shows good potential for veneer production.
- Universidade de São Paulo Brazil
Microsoft Academic Graph classification: medicine.medical_treatment Botany medicine Mathematics Tree trunk Pinus <genus> Horticulture visual_art Basic density visual_art.visual_art_medium Veneer Bark
Library of Congress Subject Headings: lcsh:Forestry lcsh:SD1-669.5
rendimento, híbrido de pinus, hybrid Pinus, veneers, Forestry, SD1-669.5, yield, lâminas
rendimento, híbrido de pinus, hybrid Pinus, veneers, Forestry, SD1-669.5, yield, lâminas
Microsoft Academic Graph classification: medicine.medical_treatment Botany medicine Mathematics Tree trunk Pinus <genus> Horticulture visual_art Basic density visual_art.visual_art_medium Veneer Bark
Library of Congress Subject Headings: lcsh:Forestry lcsh:SD1-669.5
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