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.
pxa1 is defective in lateral root formation. Seedlings were grown for 4 or 6 d on hormone-free medium and transferred to medium with no hormone, 50 nm IAA, or 5 μm IBA. After 8 or 12 d, plants were removed from the agar, and the number of lateral roots was counted. Error bars indicate se values (n > 16).
