Thanatephorus cucumeris

Thanatephorus cucumeris Thanatephorus cucumeris General General Thanatephorus cucumeris was long known as Rhizoctonia solani , the vegetative stage. It was long believed to be a sterile fungus, but re Read more

Black leg of seedlings

Pythium ultimum Black leg of seedlings General General Pythium is considered a ‘weak pathogen’, meaning that it can usually only affect plants that are in a sub-optimal condition or suffer from stress Read more

Grey mould

Botryotinia fuckeliana Grey mould General General Grey mould ( Botryotinia fuckeliana / Botrytis cinerea ) is a commonly found fungus in many environments. It survives in plant parts like bulbs and cr Read more

Bacterial wilt, brown rot

Ralstonia solanacearum Bacterial wilt, brown rot General General Ralstonia solanacearum is a plant pathogenic bacterium. It is a soil-borne disease and colonises the xylem, causing bacterial wilt and Read more

Crazy roots, hairy roots, crown gall

Rhizobium rhizogenes, Rhizobium radiobacter Crazy roots, hairy roots, crown gall General General Rhizobium  bacteria   are soil bacteria that fix nitrogen after becoming established inside root nodule Read more

Powdery mildew

Erysiphe, Podosphaera, Oïdium, Leveillula Powdery mildew General General Powdery mildew is a fungal disease that is caused by many different species of fungi such as Erysiphe, Podosphaera, Oïdium, Lev Read more

Bacterial canker of tomato

Clavibacter michiganensis sp. Bacterial canker of tomato General General Clavibacter is a quarantine organism in Europe, which means that strong efforts are used to prevent the bacterium from entering Read more

Gummy stem blight

Mycosphaerella cucumis (Didymella bryoniae) Gummy stem blight General General Mycosphaerella cucumis (Didymella bryoniae) is a fungal plant pathogen that causes gummy stem blight. Life cycle and appea Read more

Downey mildew of Cucurbits

Pseudoperonospora cubensis Downey mildew of Cucurbits General General Pseudoperonospora cubensis is a plant pathogen causing downey mildew on cucurbit crops like cucumber, cantaloupe, pumpkin, waterme Read more

Fusarium wilt

Fusarium oxysporum Fusarium wilt General General Fusarium is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species are cons Read more

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