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.
Clubroot resistance assay on ECD accessions. Ten-day-old seedlings of each ECD accession were inoculated with resting spores of P. brassicae, and all plant roots were collected at 25 dpi and assayed for the clubroot severity. B. napus var. Westar was used as the susceptible control. Scale bars: 5 cm.
