Diseases caused by pathogens
A pathogen is a living organism or virus directly capable of causing disease. The term “disease” is defined as a harmful deviation from the normal functioning of physiological processes. Many taxonomically diverse organisms become phytopathogenic (cause plant diseases) under suitable conditions. Plant pathogens can be categorized by their formal biological classification (taxonomy).
Index of disease names and scientific names of their causal pathogens
The entries for diseases caused by pathogens have sections containing nomenclature and taxonomy; general information and importance; distribution and hosts; symptoms and signs; disease cycle; damage; prevention and management; selected references; and photographs depicting various stages of the pathogen and the damage caused.
Trichaptum abietinum (Dicks.) Ryvarden (Common names for this fungus: purple conk fungus, purple-toothed polypore)
Disease name: Pitted sap rot
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Taphrina caerulescens
(Desmaz. & Mont.) Tul.
Disease name: Oak leaf blister
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Taphrina carnea
Johanson
Disease name: Birch leaf blister
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Tar spot
Pathogen name: Rhytisma americanum Hudler & Banik
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Tar spot (Rhytisma salicinum )
Pathogen name: Rhytisma salicinum (Pers.:Fr.) Fr.
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Tar spot needle cast
Pathogen name: Davisomycella ampla (J.J. Davis) Darker
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Tomentosus root rot
Pathogen name: Inonotus tomentosus (Fr.:Fr.) Teng
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Trichaptum abietinum
(Dicks.) Ryvarden (Common names for this fungus: purple conk fungus, purple-toothed polypore)
Disease name: Pitted sap rot
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True fir blight
Pathogen name: Virgella robusta (Tub.) Darker