Pseudomonas syringae pv. lapsa
stalk rot
Chlorobacter lapsus, Phytomonas lapsa, Pseudomonas lapsa
Egypt, Nigeria, China, India, Pakistan, Germany
CA
2022-12-01
bacterium
Thailand
sugarcane, sorghum, corn, wheat
PSDMSL
4 Known Hosts
Zea mays
corn
No
PSDMSL-1,PSDMSL-4,PSDMSL-5
Seed has been reported as a possible pathway for this pathogen. The pathogen is economically unimportant and has not been reported in the US since the 1940's.
Yes
Blotter Incubation
This method has been validated or standardized.
PSDMSL-1
Organomercury disinfectants were once used, but are not available.
McGee, DC. 1988. Maize Diseases: A reference Source for Seed Technologists. APS Press, St. Paul, MN USA. 150 pp.
Ark, P.A., 1941. Persistance of Phytomonas lapsa on seed of field corn. Plant Dis. Rep. 25:202
Rangarajan and Chakravarti, 1967. A strain of Pseudomonas lapsa isolated from corn seed \s causing bacterial stock rot of corn in India. Plant Dis. Rep. 51:764-766
Sorghum bicolor
sorghum
No
No references found indicating seed is a pathway.
Saccharum officinarum
sugarcane
No
No references found indicating seed is a pathway.
Triticum aestivum
wheat
No
PSDMSL-3
Pathway not proven. Seeds became discolored with infection, however, the research does not indicate that bacteria was recovered or that seed may be a pathway.
Amanifar, N. 2019. First Report of Pseudomonas syringae pv. lapsa Causing Leaf Streak and Black Chaff of Winter Wheat in Southwest Iran, Plant Disease 104:276
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