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.
The activity of antioxidant enzyme SOD (A,B), CAT (C,D), POD (E,F), and APX (G,H) in shoots and roots of ryegrass hydroponically cultivated under Al and Si treatments. Data are means of three replicates ± standard error. Different letters indicate statistically significant differences (p ≤ 0.05) among treatments.
