has not yet been defined. The assumption is that the bacteria survive in the soil, but it is possible that first infection is from the propagation…
Oïdium, Leveillula Powdery mildew General Powdery mildew is a fungal disease that is caused by many different species of fungi such as Erysiphe,…
General Pythium is considered a ‘weak pathogen’, meaning that it can usually only affect plants that are in a sub-optimal condition or suffer from…
tomato General Clavibacter is a quarantine organism in Europe, which means that strong efforts are used to prevent the bacterium from entering. When…
occur and cause different symptoms. Fusarium oxysporum is the only Fusarium that actually grows inside the vessel system of the host plant and spreads…
may occur and cause different symptoms. This species is the only Fusarium that actually grows inside the vascular system of the host plant and spreads…
(structures containing sporangia, a type of spores) with sporangia are formed that protrude through the stomata. Secondary infection is either by…
fuckeliana / Botrytis cinerea ) is a necrotrophic fungus, meaning that it excretes compounds that kill the plant cells and then uses the content of…
the closer the temperature is to this, the shorter the leaf wetness period that is required. Inside the plant, the pathogens produce haustoria, small…
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