Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Percentage of water uptake by O. tomentosa seeds on agar surface. (A) Non-scarified seeds collected in 1998, 1999 and 2000. (B) Seeds collected in 1998 and scarified for 1, 5, 30, 45, 60 or 120 min, and non-scarified seeds exhumed after a 7-month period of burial in the field. After collection or exhumation, all seeds were stored in the laboratory (23–25°C, 20–50% RH) inside paper bags until used. Bars indicate s.d. Letters indicate significant differences.
