Accelerated ageing: was carried out with four replications of 100 seeds. Seeds were placed
on a screen tray, which was inserted into a gerbox chamber containing 40mL of distilled water. Gerbox chamber was incubated at 42ºC for 96h (MARCOSFILHO, 1999); after this time, the germination test was performed according to The Rules for Seed Analysis (BRASIL, 2009) and normal seedlings were evaluated and informed as percentage.