Characteristics of vertical resin channels on Pinus caribaea Morelet, var. caribaea and its meaning on resin production
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Abstract
The study of the resin channels keep importance for being the structures in the pines, which produce and store the resin. It exist horizontal and vertical channels which intercommunicate forming a net along the whole shaft, being the vertical channels those of more longitude and object of the investigation, which was carried out in the natural pine groves of Cajálbana, municipality of La Palma, province of Pinar del Río. According to the species, the height in the shaft where they are and the width of the growth rings varies its diameter and number, what influences in the movement of the resin in the channel, in the storage volume and in the fluency when pikes are carried out, and as consequence of all before, the yields varies to. The numbers of channels were also determined in the growth rings and the density by square centimeter. These values locate the species among those of more potential according to they yields of resin.
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