Alternaria cucumerina
                        cucumber blight
                        Alternaria brassicae var. nigrescens, Macrosporium cucumerinum, Alternaria loofahae
                        Worldwide
                        Widespread
                        2022-09-21
                        fungus
                        Mexico
                        Cucurbitaceae family
                        ALTECU
                        Distribution information from USDA GRIN
                        
                5 Known Hosts
            
             Citrullus lanatus
                                        watermelon
                                        No
                                        ALTECU-3, ALTECU-4
                                        Pathway not proven. According to Thomas,1996, artificially infested seed has resulted in seedling infection, but infection was low.  Spread from naturally infested seed has not been demonstrated.                                            
                                        No
                                        Seed treatments are often inferred as effective, but no data exists and seed has not been proven to be a pathway.
                                        A quality systems approach in production of the seeds with crop inspections, careful selection of healthy fruits and seed conditioning and cleaning should be used to ensure seed quality and reduce unwanted seed contaminants.                                            
                                        ALTECU-4
                                         Cucumis melo
                                        melon
                                        No
                                        ALTECU-2
                                        Pathway not proven. According to Thomas,1996, artificially infested seed has resulted in seedling infection, but infection was low.  Spread from naturally infested seed has not been demonstrated.                                            
                                        No
                                        Seed treatments are often inferred as effective, but no data exists and seed has not been proven to be a pathway.
                                        A quality systems approach in production of the seeds with crop inspections, careful selection of healthy fruits and seed conditioning and cleaning should be used to ensure seed quality and reduce unwanted seed contaminants.                                            
                                        ALTECU-4
                                         Cucumis sativus
                                        cucumber
                                        No
                                        ALTECU-3, ALTECU-4
                                        Pathway not proven. According to Thomas, 1996, artificially infested seed has resulted in seedling infection, but infection was low.  Spread from naturally infested seed has not been demonstrated.  ISF Database, 2014, indicates that seed as a pathway is inferred, but not proven                                            
                                        No
                                        Seed treatments are often inferred as effective, but no data exists and seed has not been proven to be a pathway.
                                        A quality systems approach in production of the seeds with crop inspections, careful selection of healthy fruits and seed conditioning and cleaning should be used to ensure seed quality and reduce unwanted seed contaminants.                                            
                                        ALTECU-4
                                         Cucurbita spp.
                                        squash, gourd, pumpkin
                                        No
                                        ALTECU-3
                                        Pathway not proven. According to Thomas, 1996, artificially infested seed has resulted in seedling infection, but infection was low.  Spread from naturally infested seed has not been demonstrated.                                            
                                        No
                                        Seed treatments are often inferred as effective, but no data exists and seed has not been proven to be a pathway.
                                        A quality systems approach in production of the seeds with crop inspections, careful selection of healthy fruits and seed conditioning and cleaning should be used to ensure seed quality and reduce unwanted seed contaminants.                                            
                                        ALTECU-4
                                         Luffa acutangula
                                        root stock
                                        No
                                        ALTECU-3
                                        Pathway not proven. According to Thomas, 1996, artificially infested seed has resulted in seedling infection, but infection was low. Spread from naturally infested seed has not been demonstrated.                                            
                                        No
                                        Seed treatments are often inferred as effective, but no data exists and seed has not been proven to be a pathway.  
                                        A quality systems approach in production of the seeds with crop inspections, careful selection of healthy fruits and seed conditioning and cleaning should be used to ensure seed quality and reduce unwanted seed contaminants have been used for other crops                                                     
                                        ALTECU-4
                                        
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