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.
Root growth in the presence of (+)- and (−)-JA-Trp. A, Root deviation from the gravity vector was measured as described in Figure 1. B, Mean root length after 7 d growth of the same seedlings used for A. Values are the means with se (n = 26–31 seedlings).
