General Pepino mosaic virus (PepMV) is a single-stranded RNA-virus (Potexvirus genus, Fexiviridae family) that was originally isolated from pepino ( Solanum muricatum ), a South American melon-like fr
General Foot rot of cereals, caused by the fungal pathogen Microdochium nivale (formerly known as Monographella nivalis ), is a significant concern for cereal crop growers worldwide. This disease prim
Fusarium spp. is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species are considered weak pathogens and can only infect wo
General Ralstonia solanacearum is a plant pathogenic bacterium. It is a soil-borne disease and colonises the xylem, causing bacterial wilt and brown rot in a very wide range of potential host plants.
General Ustilago nuda f.sp. tritici is a basidiomyceteous fungus that affects wheat. It is also known as loose wheat smut, or loose smut of wheat. Damage symptoms Infection by Ustilago nuda f.sp. trit
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 stress, caused for example by too much water, too hig
General The only known stage in all Alternaria species is the asexual stage. Conidia and mycelium overwinter in the soil and on crop residues and cause primary infection of the leaves. Survival can be
General Verticillium species are non-specific plant pathogens. Many species are saprophytes, V erticillium albo-atrum and Verticillium dahlia e are the most important plant pathogens. Verticillium dah
General Venturia inaequalis is an ascomycete fungus that causes apple scab disease Damage symptoms Venturia inaequalis causes apple scab disease, which at first presents itself as lesions on blossoms,
General Tilletia tritici and Tilletia laevis only differ in one gene and easily hybridize. There is debate whether they should indeed be considered separate species, since they cause the exact same sy