Fig. 1.
Daily cumulative germination of 2010 in-dark (in-D) and in-light (in-L) seed lots of Echinacea pallida accession PI 631276, PI 631322, and PI 649036 at 25 °C with light.
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.