This work aimed to study the effects of methods to overcome the dormancy of Tachigalia multijuga (Benth) seeds. It was compared the effects of the sulfuric acid, of the boiling water and of the it blunts in the imbibition percentage, in the percentage and speed of germination, in the activity of alpha galactosidase and beta mananase, in the protein synthesis and in the alteration in the membrane that recovers the embryo. There was no germination in seeds treated with hot water. All the treatments resulted in germination percentage superior (P<0.05) to the control, except for the seeds of Cachoeira, where the treatment with sulfuric acid for 10 minutes was the same. On the other hand, the speed of germination of the control was only different (P<0.05) from all the treatments in seeds of Araponga 2. The water percentage of the seeds treated with hot water by 60 seconds went the same to those of the control and different (P<0.05) from the treated with hot water by 30 minutes and by acid for 20 minutes. The activities of the enzymes and proteins content during the germination were different (P<0.05) among the treatments with water and acid. It is discussed the alterations of the membrane sugars content that recovers the embryo seeds.
Dormancy; Tachigalia multijuga; seed; carbohydrate
