Black rot of carrots

Alternaria radicina Black rot of carrots General The only known stage in all Alternaria species is the asexual stage. Conidia and mycelium overwinter in the soil and on crop residues and cause primary

Damping-off

Pythium aphanidermatum Damping-off 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 for

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

Downy mildew of Cucurbits

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 blight

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

Charcoal rot

Macrophomina phaseolina Charcoal rot General Macrophomina phaseolina is a common soil fungus in warmer regions, causing charcoal rot. It has a very wide range of host crops, many of which are economic

Loose smut of wheat

Ustilago tritici (Ustilago segetum var. tritici, Ustilago nuda f.sp. tritici) Loose smut of wheat General Ustilago nuda f.sp. tritici is a basidiomyceteous fungus that affects wheat. It is also known

Black root rot of cucurbits

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

Bacterial soft rot, bacterial stem rot

Pectobacterium carotovorum (Erwinia carotovora subsp. carotovora) Bacterial soft rot, bacterial stem rot General Erwinia carotovora subsp. carotovora has recently been renamed Pectobacterium carotovor

Black sigatoka disease

Mycosphaerella fijiensis (Pseudocercospora fijiensis) Black sigatoka disease General Mycosphaerella fijiensis also known as black sigatoka, is an ascomycete fungus that causes leaf-spot of banana. Lif