2012
DOI: 10.1590/s0103-84782012000900013
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Idade de segregação do lenho juvenil e adulto pela variação da massa específica de açoita-cavalo

Abstract: O presente trabalho teve como objetivo estimar a idade de segregação do lenho de Luehea divaricata Mart. (açoita-cavalo) por meio da variação radial da massa específica. Para o desenvolvimento do estudo, foram coletadas dez árvores de duas regiões do Estado do Rio Grande do Sul. Foi retirado um disco por árvore, com aproximadamente 2cm de espessura a 0,10m de altura do tronco. De cada disco, retirou-se, com auxílio de uma serra-fita, uma bagueta central de 2,0cm de largura, bem orientada no sentido radial, inc… Show more

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Cited by 10 publications
(13 citation statements)
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“…On the other hand, for the Hill Top northeast region, the segregation occurred 16 cm from the pith, corresponding to the 15 th growth ring. Similarly to the present study, other authors that based on the radial variation of basic density also verified data distributions that enabled to observe the segregation of juvenile and mature woods Peres et al, 2012). In their study, Gatto et al (2007) defined the point of demarcation of sycamore using the variation of anatomical parameters and verified that the phenomenon occurs at the 14 th ring, which shows a similar result to the present study.…”
Section: Discussionsupporting
confidence: 90%
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“…On the other hand, for the Hill Top northeast region, the segregation occurred 16 cm from the pith, corresponding to the 15 th growth ring. Similarly to the present study, other authors that based on the radial variation of basic density also verified data distributions that enabled to observe the segregation of juvenile and mature woods Peres et al, 2012). In their study, Gatto et al (2007) defined the point of demarcation of sycamore using the variation of anatomical parameters and verified that the phenomenon occurs at the 14 th ring, which shows a similar result to the present study.…”
Section: Discussionsupporting
confidence: 90%
“…Similarly, Peres et al (2012) and Gatto et al (2013) founded significant variation of density between region of origin and types of wood. This way, with the contribution of the present work, the idea that the quality of the site and the wood variability in the radial direction can be reinforced as determinant factors to be studied, in order to determine possible uses of wood with great precision.…”
Section: Resultsmentioning
confidence: 88%
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“…Estimou-se que o anel de crescimento determinado (±43) como ponto de delimitação dos lenhos juvenil e adulto correspondeu a uma distância média até a medula de 12,03 cm. De modo semelhante, outros autores, avaliando a variabilidade da massa específica no sentido medula-casca de distintas madeiras de folhosas identificaram as três zonas anteriormente mencionadas, intitulando-as como lenho juvenil, zona de transição e lenho adulto, respectivamente [3,16].…”
Section: Parâmetros Colorimétricosunclassified