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.
Larval infestation level on Bt maize for seed mixture (DBN9936, panels a and c) and block refuge (Ruifeng 125, panels b and d) field trials with different non‐Bt maize proportions in Yunnan (panels a and b) and Henan (panels c and d). Different capital letters within the same maize development stage for each site indicate significant differences in pest abundance (ANOVA, P < 0.05).
