are each selectively pathogenic on a limited number of crops. Even within one crop, different formae speciales may occur and cause different symptoms.…
years. On other fields on the same farm, no seed potatoes can be grown for one year after infection. Life cycle and appearance of Bacterial canker of…
survival structure. Infection mostly occurs before pollination and within one to two days after pollination. Damage symptoms Infection by Ustilago…
Leaf stripe Pyrenophora graminea is monocyclic, which means there is only one disease cycle during the cropping season. The fungus is seed-borne and…
subsp. carotovora has recently been renamed Pectobacterium carotovora . It is one of the pectolytic bacteria causing extensive bacterial rots…
presence increases the risk of infection in cultivated crops. The spread from one host plant species to another is still under investigation and seems…
are each selectively pathogenic on a limited number of crops. Even within one crop, different 'formae speciales' may occur and cause different…
laevis Wheat bunt General Tilletia tritici and Tilletia laevis only differ in one gene and easily hybridize. There is debate whether they should…
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