Fig. 1.
Kidney vetch in vitro plants after 4 (a, b) and 8 (c, d) weeks of cultivation on media with different Pb concentration. Scale bars, 5 cm
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.