Cercospora sp. Cercospora leaf spot Symptoms Leaf spots are characteristically greyish brown, circular with small to large grey centres and dark brown…
Athelia (Sclerotium) rolfsii Southern blight General Grey rot or southern blight is a disease caused by the fungus Athelia (Sclerotium) rolfsii . It…
Pseudoperonospora cubensis Downy mildew of Cucurbits General Pseudoperonospora cubensis is a plant pathogen causing downy mildew on cucurbit crops…
Xylella fastidiosa Pierce's disease of grapevine General Xylella fastidiosa is a gram-negative bacterium which is limited to xylem tissue. It has many…
Xanthomonas vesicatoria Bacterial spot General Xanthomonas vesicatoria is a bacterium that causes bacterial leaf spot on peppers and tomatoes. Life…
Verticillium dahliae, Verticillium albo-atrum Verticillium wilt General Verticillium species are non-specific plant pathogens. Many species are…
Xanthomonas fragariae Angular leaf spot General Xanthomonas fragariae is a leaf spot disease found in strawberry. Life cycle and appearance of Angular…
Venturia inaequalis Apple scab General Venturia inaequalis is an ascomycete fungus that causes apple scab disease Life cycle and appearance of Apple…
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…
Ustilago nuda f.sp. hordei Loose smut of barley General Ustilago nuda f.sp. hordei affects barley and can destroy a large proportion of the crop. It…
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