Below are some pictures of plants affected by diseases. Click on the picture to go to the relevant page. The list on the right has links to other diseases which attack plants.(*Lichens are not harmful, but they are included as they are sometimes thought to be.)

Blackleg in Potatoes Blackspot on Roses Box Blight Bacterial Canker Budblast Fungal Canker Chocolate Spot Clubroot Conifer Dieback Coral Spot Entomosporium Leaf Spot Honey Fungus *Lichens Onion Whiterot Potato Blight Ringrot in Potatoes Potato Scab Potato Black Scurf Brownrot in Potatoes Powdery Mildew Red Thread in Grass Sooty Mould Shothole

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Glossary

Apple or Fungal Canker

Bacterial Canker

Bleeding Canker

Blackleg on Cuttings

Blackleg on Potato

Blackspot of Roses

Chocolate Spot

Box Blight

Coral Spot

Club Root

Conifer Dieback

Cucumber Mosaic

Damping Off

Entomosporium Leaf Spot

Fireblight

Fusarium Patch

Grey Mould

Honey Fungus

*Lichens

Mildew, Powdery

Mildew, Downy

Onion White Rot

Phytophthora Root Rot

Potato Blight

Potato Brown Rot

Potato Ring Rot

Potato Scab

Potato black Scurf

Ramorum Dieback

Red Thread

Rhododendron Bud Blast

Rust

Shothole

Slime Mould

Soft Rot

Sooty Mould

Sudden Oak Death