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.
Evaluation of biomass and tocopherol content under heavy metal stress. (a) Biomass of plants (six-week old) exposed to 25 mM Cu for 2 weeks. For control, no Cu was added to the nutrient solution. The data are the means and SDs of five independent measurements. (b) and (c) Alpha- and Gamma- tocopherol content in leaves of the wild-type and transplastomic lines-B 3.3. Measurements were done every three days. The results are from three replicate samples ±SD. *, P<0.05, **, P< 0.01
