Algal rust

Angular leaf spot

The whole plant can be infected with this bacteria, Infected plantparts are contagious and remain pathogenic for 2 years.

Anthracnose

Many different kinds of plants are affected via fungal spores from dead wood material. The symptoms increase when the fruits are damaged by pests, sunburn, bruises, etc.

Armillaria root rot

Armillaria root rot is a fungal root rot caused by several different members of the genus Armillaria.

Bacterial blights

Bacterial cancer

Bacterial leaf spot

Bacterial soft rot

Bacterial spot

Bacterial wilt

Bark binding

Basal stem rot

It is a plant pathogen that causes basal stem rot, a disease of the African oil palm

Bean mosaic virus

Black and brown leafspot

Black leg

This disease is caused by the seed-borne fungus Phoma lingam. The earliest visible sign of the disease appears as brown to black spots on the seedlings while in the seed beds. Old spots are ashy grey and often have pastules on them. The stem has dark cank

Black mould

Black rot

This is a serious cabbage disease in Kenya and is caused by the bacteria Xanthomonas campestris. It can cause a total crop loss. Disease development is favoured by high humidity/rainfall and high temperatures (20-30 C). Infection occurs at all stages and

Black scurf (stem canker)

Blight (or wilt)

Blossom end rot

Blue stain fungi

It's a vague term including various fungi that cause dark staining in sapwood

Boxwood blight

It is a widespread disease. black spots are symptoms and leafs wll fall off.

Brown patch

Bulb rot

But rot

Cabbage yellows

Carrot leaf blight

Cercospora leaf spot

Coconut leafspot and blight

Collar rot