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DEFORMAÇÃO RESIDUAL LONGITUDINAL E SUA RELAÇÃO COM ALGUMAS CARACTERÍSTICAS DE CRESCIMENTO E DA MADEIRA EM CLONES DE EUCALYPTUS
Author(s) -
Marcos Aurélio Mathias de Souza,
Paulo Fernando Trugilho,
José Tarcísio Lima,
Sebastião Carlos da Silva Rosado
Publication year - 2003
Publication title -
floresta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.386
H-Index - 13
eISSN - 1982-4688
pISSN - 0015-3826
DOI - 10.5380/rf.v33i3.2261
Subject(s) - residual , eucalyptus , mathematics , simple correlation , mineralogy , horticulture , zoology , correlation , geometry , botany , chemistry , biology , algorithm
Os objetivos deste trabalho foram verificar a variacao da deformacao residual longitudinal em clones de eucaliptos e determinar a sua correlacao com algumas caracteristicas fisicas e mecânicas da madeira e com as de crescimento da arvore. Os resultados indicam que a deformacao residual longitudinal (DRL) nao apresentou correlacao significativa com as caracteristicas de crescimento da arvore e com os teores de lignina insoluvel, soluvel e total. A DRL apresentou correlacao positiva e significativa com o indice de rachamento, as densidades basica e seca, desvio da gra, contracao volumetrica, radial e tangencial e resistencia ao fendilhamento. LONGITUDINAL RESIDUAL DEFORMATION AND YOUR RELATIONSHIP WITH SOME CHARACTERISTICS OF GROWTH AND OF THE WOOD IN CLONES OF EUCALYPTUS Abstract This research aimed to evaluate the variation of the longitudinal residual deformation of eucalyptus clones and to determine the correlation among the longitudinal residual deformation and tree growth characteristics and with some wood characteristics. The results indicate that the longitudinal residual deformation (DRL) didn’t present significant correlation with tree growth characteristics and insoluble, soluble and total lignin content. The DRL presented positive and significant correlation with the split index, the basic and dry density, grain angle, volumetric, radial and tangential shrinkage and cleavage strength.

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