ESTUDIO EXPLORATORIO DE LA VARIABILIDAD RADIAL Y APICAL DEL TAMAÃO Y FRECUENCIA DE LOS CANALES RESINÃFEROS EN PINO RADIATA

R. A. Ananias, J. A. Lastra, L. Salvo, H. Contreras, C. Barría, M. Peredo

Abstract


Radial and apical variation in resin canals of radiata pine were studied. The frequency and size of resincanals were examined, using microscopic techniques from a commercial software. Wood samples fromstanding trees were taken, showing three different levels of external resin-bleeding intensity : moderate,light and intense. The variability of the resin canals were examined according to the radial position atthree different heights ; bottom, breast height diameter and at the beginning of the tree top. The resultsshow that the apical and radial variation of the size and frequency of resin canals appeared weaklycorrelated with the intensity level of the tree resin-bleeding of the standing radiata pine trees.

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