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Agent  [ Biology - Phytopathology ]
Disease agent,
Causal agent

Dictionary of botanic terminology - index of names

     
  A physical, chemical, or biological factor that causes disease or injury.  
     
An active and efficient cause; capable of producing a disease or injury, like a substance that exerts some deleterious effect upon an organism or a pathogen that is able to transmit a disease to its host.

"Biotic agent" means any living entity.
     

 

 

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