Pseudoperonospora cubensis Downy mildew of Cucurbits General Pseudoperonospora cubensis is a plant pathogen causing downy mildew on cucurbit crops like cucumber, cantaloupe, pumpkin, watermelon and sq
Phytophthora infestans Phytophthora blight General Late blight (Phytophthora infestans f.sp. infestans) is also known as Phytophthora blight, tomato blight, early / late blight tomato, potato blight a
Rhizobium spp. (Agrobacterium spp.) Crazy roots, hairy roots, crown gall General Rhizobium bacteria are soil bacteria that fix nitrogen after becoming established inside root nodules of legumes. Addit
Pyrenophora graminea (Drechslera graminea) Leaf stripe General Pyrenophora graminea is a disease of Barley that causes significant yield losses. Life cycle and appearance of Leaf stripe Pyrenophora gr
Phomopsis sclerotioides (Diaporthe sclerotioides) Black root rot of cucurbits General Phomopsis sclerotioides is a plant pathogen infecting cucurbits, causing black root rot of cucurbits. Life cycle a
Pectobacterium carotovorum (Erwinia carotovora subsp. carotovora) Bacterial soft rot, bacterial stem rot General Erwinia carotovora subsp. carotovora has recently been renamed Pectobacterium carotovor
Pestalotiopsis clavispora (Neopestalotiopsis clavispora) Root and crown rot of strawberry General New diseases in strawberry have been ascribed to Pestalotiopsis clavispora in the case of root and cro
temperature above freezing when water is available. Conidia require a minimum of 5 °C for germination. Primary infection is mostly by ascospores or conidia on
Fusarium graminearum (Gibberella zeae) Fusarium head blight or scab General Fusarium is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host c
Clavibacter michiganensis (Corynebacterium michiganensis) Bacterial canker of tomato General Clavibacter is a quarantine organism in Europe, which means that strong efforts are used to prevent the bac