resistant cultivars Use clean propagation materials (seed can be treated effectively with hot water) Use clean substrate in greenhouse crops Disinfect…
promotes germination of spores but inhibits spore production, so the net effect of the RH is very small. Wind and draught in greenhouses promote…
resistant cultivar Use clean propagation material (seed can be treated effectively with hot water) Use clean substrate in greenhouse crops Disinfect…
Thanatephorus cucumeris Thanatephorus cucumeris General Thanatephorus cucumeris was long known as Rhizoctonia solani , the vegetative stage. It was…
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…
Botryotinia fuckeliana Grey mould General Grey mould ( Botryotinia fuckeliana / Botrytis cinerea ) is a commonly found fungus in many environments. It…
Pseudoperonospora cubensis Downy mildew of Cucurbits General Pseudoperonospora cubensis is a plant pathogen causing downy mildew on cucurbit crops…
Rhizobium rhizogenes, Rhizobium radiobacter Crazy roots, hairy roots, crown gall General Rhizobium bacteria are soil bacteria that fix nitrogen after…
Ralstonia solanacearum Bacterial wilt, brown rot General Ralstonia solanacearum is a plant pathogenic bacterium. It is a soil-borne disease and…
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