Abstract

Liana Abrus precatorius L. (Fabaceae) seeds were submitted to the following different treatments in order to break the tegument dormancy: T1) control; T2) mechanical scarification; T3) immersion in water at 80 oC for 5 minutes; T4) immersion in sulfuric acid for 15 minutes and T5) immersion in sulfuric acid for 30 minutes. The mechanical scarification treatment and the immersion in sulfuric acid for 30 minutes were the most efficient treatments to break the dormancy of Abrus precatorius seeds.

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