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.
Infection of mutant and wild-type seedlings with P. irregulare. One hundred and fifty-three seedlings were used per genotype. The percentage of plants with symptoms at the times indicated is shown for each genotype. Wild type did not show symptoms during the duration of the experiment.
