Pseudomonas syringae pv aptata
leaf spot of sugarbeet
Bacterium aptatum, Chlorobacter aptatus, Phytomonas aptata, Pseudomonas aptata
Asia: Georgia, India, Iran, Japan, North Korea, South Korea; Europe: Hungary, Italy, Russia, Serbia, UK; North America: USA; Oceania: Australia, New Zealand.
CA, GA, ME, OH, OR, PA, UT, VA, WA
2024-09-09
bacterium
China
Main: sugarbeet, pepper, cucumber, sunflower, lettuce, common bean, eggplant, nasturtium, faba bean, cowpea. Other: melon.
PSDMPT
Pseudomonas syringae pv. aptata is spread through rain and irrigation. During cultivation it can be transmitted by workers and tools. It is not known to be seedborne.
11 Known Hosts
Beta vulgaris
table beet, swiss chard
No
PSDMPT-5, CABICPC
Although, testing for this pathogen is common within the seed industry, no data confirming seed as a pathway has been found in the literature. Seed transmission speculated, but no data presented.
Yes
Grow out in sweat boxes
Commercial testing available. This test has not been validated or standardized.
Beta vulgaris var. saccharifera
sugar beet
No
PSDMPT-9
Pathway not proven. Reference dated and no other references to verify seed transmission were found. Determined seed transmission by planting seed from infected fields into pasteurized soil. ~5-10% seed transmission estimated.
No
Grow out tests may be applied to this crop.
Ark and Leach, 1946. Seed Transmission of Bacterial Leaf Blight of Sugar Beet. Phytopathology 36: 549-553
Capsicum annuum
pepper
No
PSDMPT-9
Not a host. Pepper as a host has been established by artificial inoculation only. No evidence of natural infections.
Ark and Leach, 1946. Seed Transmission of Bacterial Leaf Blight of Sugar Beet. Phytopathology 36: 549-553
Cucumis melo
melon
No
No evidence that seed is a pathway
Cucumis sativus
cucumber
No
No references found indicating seed is a pathway.
Helianthus annuus
sunflower
No
No references found indicating that seed is a pathway.
Lactuca sativa
lettuce
No
No references found indicating seed is a pathway.
Phaseolus vulgaris
common bean
No
PSDMPT-9
Not a host. Common bean as a host has been established by artificial inoculation only. No evidence of natural infections.A known host by artificial inoculation only (PSDMPT-9)
Ark and Leach, 1946. Seed Transmission of Bacterial Leaf Blight of Sugar Beet. Phytopathology 36: 549-553
Vicia faba
faba bean
No
PSDMPT-9
Not a host. Faba bean as a host has been established by artificial inoculation only. No evidence of natural infections.
Ark and Leach, 1946. Seed Transmission of Bacterial Leaf Blight of Sugar Beet. Phytopathology 36: 549-553
Vigna spp.
cowpea, mung bean
No
No references found indicating that seed is a pathway.
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