Pseudoperonospora cubensis Downy mildew of Cucurbits General Pseudoperonospora cubensis is a plant pathogen causing downy mildew on cucurbit crops…
Xanthomonas fragariae Angular leaf spot General Xanthomonas fragariae is a leaf spot disease found in strawberry. Life cycle and appearance of Angular…
Sclerotinia sclerotiorum Cottony soft rot General Sclerotinia sclerotiorum, also known as cottony soft root, is a plant pathogenic fungus. It has a…
Pestalotiopsis clavispora Root and crown rot of strawberry General New diseases in strawberry have been ascribed to Pestalotiopsis clavispora in the…
Pseudoperonospora cubensis Cucurbits downy mildew Important disease in cucumber, ridge gourd, sponge gourd, squash, muskmelons, pumpkins and other…
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…
Venturia inaequalis Apple scab General Venturia inaequalis is an ascomycete fungus that causes apple scab disease Life cycle and appearance of Apple…
Rhizobium rhizogenes, Rhizobium radiobacter Crazy roots, hairy roots, crown gall General Rhizobium bacteria are soil bacteria that fix nitrogen after…
Pyrenochaeta lycopersici Brown root rot, corky root rot General Pyrenochaeta lycopersici is a fungal plant pathogen, infecting tomatoes and aubergine.…
Plasmopara viticola Grape downy mildew Symptoms Yellowish, translucent, irregular spots on the upper surface of the leaves. White powdery growth on…
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