Other plant pathogens
Other plant diseases
|Diseases of unknown etiology|
Diseases with unidentified disease agents or causes. These might include disorders which are not caused by pathogenic organisms. Currently 2 species listed.
Parasitic algae (red rusts). Currently 2 species listed.
Bacteria-like organisms without cell walls which cannot survive outside living plants or insects and cannot be cultured. Currently 36 species listed.
Bacteria-like, motile organisms without cell walls and with a helical shape. Some species can be cultured in artificial media. Currently 2 species listed.
Trypanosomatidae - Phytomonas (flagellated protozoa causing plant diseases). Currently 3 species listed.
Small, circular and single stranded RNA molecules which can cause plant diseases. Currently 28 species listed.