1. 
   disinfestant
   An agent that kills or inactivates pathogens in the environment or on the surface of a plant or plant organ before infection takes place.
   Found op http://ppathw3.cals.cornell.edu/glossary/Defs_D.htm
   
   
2. 
   Disinfestant
   An agent that kills or inactivates pathogens in the environment or on the surface of a plant or plant organ before infection takes place.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   

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