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.
Oligoporus sericeomollis (Romell) Bondartseva
Disease name: Brown cubical butt and pocket rot of cedar
Ophiognomonia clavigignenti-juglandacearum (N.B. Nair, Kostichka & J.E. Kuntze) Broders & Boland
Disease name: Butternut canker
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Oak leaf blister
Pathogen name: Taphrina caerulescens (Desmaz. & Mont.) Tul.
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Oligoporus sericeomollis
(Romell) Bondartseva
Disease name: Brown cubical butt and pocket rot of cedar
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Ophiognomonia clavigignenti-juglandacearum
(N.B. Nair, Kostichka & J.E. Kuntze) Broders & Boland
Disease name: Butternut canker
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Ophiostoma ulmi
(Buisman) Nannf.
Disease name: Dutch elm disease
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Ostreatus white spongy rot
Pathogen name: Pleurotus ostreatus (Jacq.:Fr.) P. Kumm.
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Ozone injury
Pathogen name: Veneficium oxygenum Humain