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

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

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

Cottony soft rot

Sclerotinia sclerotiorum Cottony soft rot General Sclerotinia sclerotiorum, also known as cottony soft root, is a plant pathogenic fungus. It has a very wide range of host plants. Life cycle and appea

Angular leaf spot

Xanthomonas fragariae Angular leaf spot General Xanthomonas fragariae is a leaf spot disease found in strawberry. Life cycle and appearance of Angular leaf spot Xanthomonas fragariae overwinters in pl

Apple scab

Venturia inaequalis Apple scab General Venturia inaequalis is an ascomycete fungus that causes apple scab disease Life cycle and appearance of Apple scab Venturia inaequalis overwinters in the form of

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

Crazy roots, hairy roots, crown gall

General Rhizobium bacteria are soil bacteria that fix nitrogen after becoming established inside root nodules of legumes. Additionally, pathogenic Agrobacterium s pecies have recently been assigned to

Brown root rot, corky root rot

General Pyrenochaeta lycopersici is a fungal plant pathogen, infecting tomatoes and aubergine. It causes brown root rot and corky root rot. Damage symptoms The first signs of this disease, are poorly

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 crops. Many species are considered weak pathogens and can only infect