Pseudomonas syringae pv. tomato
bacterial speck
Bacterium tomato, Pseudomonas tomato
Worldwide
Wide spread
2021-04-26
bacterium
China, Korea, Thailand
tomato
PSDMTM
3 Known Hosts
Solanum lycopersicum
tomato
Yes
PSDMTM-4,PSDMTM-5
Seed as a pathway has been demonstrated and is accepted by the seed industry
Yes
Seed wash and agar plating
This test has been validated by the NSHS.
Seed wash and agar plating is the standard method of the NSHS.
NSHS USDA
Yes. Disinfectants, such as hot water or hypochlorides commonly used.
Commercial seed companies often use hypochloride disinfectants.
PSDMTM-1
International Seed Federation Regulated Pest List Database. pestlist.worldseed.org Nyon Switzerland
McCarter, Jones, Gitaitis,Smitley. 1983. Survival of Pseudomonas syringae pv. tomato in association with tomato seed, soil, host tissue and epiphytic weed hosts in Georgia. Phytopathology 73:1393-1398
United Stated Department of Agriculture, Animal and Plant Health Protection Service National Seed Health System (USDA-APHIS NSHS) www.seedhealth.org
Pseudomonas syringae pv. tomato In: Crop Protection Compendium. Wallingford, UK: CAB International. www.cabi.org/cpc.
Capsicum annuum
pepper
No
PSDMTM-4,PSDMTM-2
Not a host. No evidence found indicating pepper is a host in nature. Only a host by artificial inoculation.
International Seed Federation Regulated Pest List Database. pestlist.worldseed.org Nyon Switzerland
Bashan, Y., and I. Assouline. 1983. Complementary bacterial enrichment techniques for the detection ofPseudomonas syringae pv. tomato andXanthomonas campestris pv. vesicatoria in infested tomato and pepper seeds. Phytoparasitica 11: 187-193.
Brassica oleracea var. botrytis
cauliflower
No
PSDMTM-3
Not a host. Cauliflower only infected by a unique strain of Pseudomonas syringae pv. tomato in laboratory experiments. No evidence that clauliflower is a host of this pathogen in nature.
Yan, S., Liu, H., Mohr, T.J., Jenrette, J., Chiodini, R., Zaccardelli, M., Setubal, J.C. and Vinatzer, B.A. 2008. Role of recombination in the evolution of the model plant pathogen Pseudomonas syringae pv. tomato DC3000, a very atypical tomato strain. Applied and Environmental Microbiology, 74:3171-3181.
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