Mindblown: a blog about philosophy.

  • Phytopathogen

    A living being or microbe capable of causing pathological conditions in plants.  

  • Phytoncide

    Phytoncide is a term with a broad scope that pertains to any substance that imparts resistance by inhibiting the growth of invading organisms. It was initially introduced by B. Tokin, a Russian researcher, in 1942, in his publication “Bacteriocides of plant origin (phytoncides),” which described plant antibacterial substances. Later on, other Russian scientists broadened the…

  • Phytiatry

    The treatment of plant diseases; the term usually implies the use of chemical methods for preventing or eliminating infection.  

  • Physiotype

    A population of a pathogen in which all individuals have a particular character of physiology (but not of pathogenicity) in common’ (Robinson, 1969); physiodeme, which would appear to be the preferred usage.  

  • Phage resistant

    Typically, the resistance to infection occurs as a result of the phage’s inability to adhere to the bacterial cell, thus failing to cause any harm.    

  • Perthophyte

    A living entity that sustains itself by consuming deceased organic matter present within the body of a living host. This can be compared with a saprophyte, which also feeds on dead organic matter.  

  • Permitted tolerance

    The uppermost degree of toxic substances admitted (e.g., lead or arsenic) in comestibles designed for human ingestion.  

  • Pelleting

    Coating of seed with inert material, often incorporating pesticides, to ensure uniform size and shape.  

  • Vertical pathogenicity

    Pathogenicity refers to the ability of a pathogen to cause disease in a host. This ability may be effective against certain varieties of the host but not against others. Furthermore, pathogenicity can be expressed in a manner that is different when interacting with various races and varieties. It is noteworthy that the use of this…

  • Horizontal pathogenicity

    Robinson in 1969 suggested a term, but its definition was only provided through comparison with horizontal resistance. This term can be understood as pathogenicity that is potent against all types of hosts, or as pathogenicity that is expressed without any differences in interactions between various races and types of the host, vertical pathogenicity. However, this…

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