Pepino mosaic virus

Potexvirus pepini Pepino mosaic virus General Pepino mosaic virus (PepMV) is a single-stranded RNA-virus (Potexvirus genus, Fexiviridae family) that was originally isolated from pepino ( Solanum muric

Fusarium spp.

Fusarium spp. 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 considered weak pathogens and can only infect wo

Rhizoctonia solani

Rhizoctonia solani (Thanatephorus cucumeris) Rhizoctonia solani General Thanatephorus cucumeris was long known as Rhizoctonia solani , the vegetative stage. It was long believed to be a sterile fungus

Black leg of seedlings

Pythium ultimum Black leg of seedlings 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, caused

Grey mould

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

Crazy roots, hairy roots, crown gall

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

Gummy stem blight

Didymella bryoniae (Mycosphaerella cucumis, Stagonosporopsis cucurbitacearum) Gummy stem blight General Mycosphaerella cucumis (Didymella bryoniae) is a fungal plant pathogen that causes gummy stem bl

Bacterial canker of tomato

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

Fusarium wilt

Fusarium oxysporum Fusarium wilt 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 considered w

Powdery mildew

Erysiphe, Podosphaera, Oidium, Leveillula spp. Powdery mildew General Powdery mildew is a fungal disease that is caused by many different species of fungi such as Erysiphe, Podosphaera, Oïdium, Leveil