Ciência Florestal (Aug 2013)

STIMULATING PASTES ON SYSTEM FOR RESIN FLOW OF <i>Pinus elliottii</i> var. <i>elliottii</i>

  • André Luiz Marretto Fusatto,
  • Paulo Roberto de Camargo e Castro,
  • Stella Consorte Cato,
  • José Otávio Brito

DOI
https://doi.org/10.5902/1980509810559
Journal volume & issue
Vol. 23, no. 3
pp. 483 – 488

Abstract

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http://dx.doi.org/10.5902/1980509810559The use of stimulating pastes aims to increase the rate of resin flow and its time of duration. In the Forest Experiment Station of Itatinga, São Paulo state, 159 trees of Pinuselliottiivar. elliottiiwere were submitted to the treatments with 5 stimulant pastes, (Red Alchem, Paste with EthephonPlanebrás, Black Resin Brazil, Red Eldorado and Test Paste (Paraquat + Ethephon) that was compared to the Control (Black Planebrás). Biweekly chipping and collects every three months were accomplished (from the result of 5 grooves), being determined the resin weight during 2.5 years. The application of stimulating pastes with ethephon did not show significant advantage about application of pastes without ethephon. The stimulant pastes applied were different in the weightings performed. In the treatments applied, the percentage of pitch ranged from 71.33% to 76.56% and the turpentine ranged from 10.37% to 13.78%. The yield of alpha-pinene ranged from 37.70% to 53.31%, and of beta-pinene from 34.34% to 50.41%.

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