| Summary: | Resin tapping is an activity designed to extract resin from trees, especially species of the genus Pinus. Current systems of tapping and collecting resin are well known, but further study is needed to make these systems more efficient and profitable for producers. Therefore, this work aimed to evaluate the effect of five resin tapping systems during five different collection periods on the production and growth of resin trees for a population of Pinus elliottii var. elliottii planted in Itapetininga, SP. Resining affects tree growth, especially in diameter. Results showed that system 4, with eight panels on each plant and four on each side, presented the highest average production of resin per tree, while system 1, with 2 panels on each plant and 1 on each side, presented the lowest average resin production per tree. It was concluded that resin production is dependent on the system employed, time of collection, and their interactions.
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