Fig. 4.
Length of in vitro germinated pollen tubes over time. At least 50 pollen tubes were measured and averaged after 10, 20, or 30 days of incubation
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.