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Evaluation of the number of resin canals in a trial of Pinus pringlei Shaw progenies at the site La Calera in the state of Michoacán, Mexico.
The resin canals present in the Pinaceae, are the conductive elements generally associated with the secretion of resin, are one of the main characteristics of the diagnostic value at the constitutive level, besides being a defense mechanism that is activated before biotic and abiotic attacks or in situations of stress and which give rise to canals of induced and systemic resin. Of the different stimuli that favor the development of the traumatic channels and the synthesis of new resins, the effect of the wounds acquires special importance, since this method is the one used by the resin industry to obtain them. In this work, we intend to relate and compare the morphological characteristics and the number of resin canals of trees belonging to a plantation product of a progenies trial established for preservation purposes for resin production; besides evaluating the variability among them and determining the influence of these variables on the amount of resin canals and their incidence in resin production.