This research was carried out to test the different treatments for dormancy breaking and disinfestation of canafistula seeds. The experiment was carried out using a factorial system with three groups × five treatments of dormancy breaking × four treatments of seed disinfestation. The seeds were collected in Lavras-MG in 1986 and 1998, and in Lins-SP, in 1998. The treatments used for dormancy breaking consisted of manual scarification with sand paper. The treatments used for dormancy breaking consisted of scarification with sand paper, hot water, (a - boiling the seeds for three minutes with immersion for 24 hours away from heat; and b- immersion 24 hours away from heat) and sulfuric acid (immersion for 15, 17, 20 and 30 minutes). For seed disinfestation, the treatments were tested using polyfluanide (0.2% for 30 minutes), Benomyl (0.02% for 1 minute) and sodium hypochlorite (2% for 3 minutes). Four repetitions of 25 seeds were used for each treatment. The germination test was installed in sand, at 25 ºC, with white light. Germination counts of normal seedlings were performed daily. The immersion of canafístula seeds in hot water (95 ºC) and posterior permanence in the same water, away from heat, for another 24 hours is effective in promoting germination, practical and does not need disinfestation treatments.
Peltophorum dubium; dormancy; disinfestation
