Br 1.1 Xanthomonas campestris pv campestris2019-04-18T13:38:17-05:00

National Seed Health System

Br 1.1  Xanthomonas campestris pv campestris

VERSION: 1.2
DATE: 01/01/2019
PATHOGEN: Xanthomonas campestris pv. campestris
HOST: Brassica sp.
COMMON NAME: black rot
METHOD: Br 1.1 ISTA Method 7-019a: ver 6.0 (2019)*, 7-019b: ver 1.2 (2019)
METHOD CLASS: STANDARD (A)
SAMPLE: 30,000 seeds

REVISION HISTORY:
Version 1.2: ISTA Method 7-019a: ver 6.0 (2019). The NSHS has approved the seed extract PCR but not the bio-PCR as a pre-screening method at this time.

PROCEDURE:

Untreated seed, ISTA Method 7-019a:

ISTA 2019 7-019a: ver 6.0

*NOTE: The NSHS has approved the seed extract PCR but not the bio-PCR as a pre-screening method at this time.

PROCEDURE:

Treated/disinfested seed, ISTA Method 7-019b:

ISTA 2019 7-019b: ver 1.2

REFERENCES:

International Rules for Seed Testing. Annexe to Chapter 7: Seed Health Testing Methods. 7-019a: ver 6.0 Detection of Xanthomonas campestris pv. campestris on Brassica spp. 2019. 7-019b: ver 1.2 Detection of Xanthomonas campestris pv. campestris on Brassica spp. disinfested/disinfected seed with grinding. 2019.