Table 1.

Results of Plasmodiophora brassicae analyses in soil samples from 45 fields in Scania, Sweden, 2013.

DNA copies g−1 soil	0 *	<1300 **	1300–50,000	50,000–325,000	>325,000
Number of samples	18	6	15	4	2
% of all fields	40	13	33	9	5

* P. brassicae DNA not detected (number of copies below the limit of detection); ** P. brassicae DNA detected, but at levels below the limit of quantification.