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.
Probability distribution for the proportion of infected plants at the origin (p1) (blue) and probability of detection of infection when a sample of 400 (red), 1,000 (grey) and 4,000 (orange) seeds is tested using standard procedures, assuming 100% sensitivity of the test (p3)
