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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