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The occurrence of potato pests in US States that have a recognized seed potato certification program considered (October 13, 2006)

D-98-01

State Certification Programs SCN CRKN GN PRN PN
Alaska          
California   X   X  
Colorado   X      
Idaho   X   X X
Maine          
Michigan X        
Minnesota X        
Montana          
Nebraska X        
New York     X    
North Dakota X        
Oregon   X   X  
Utah   X      
Washington   X   X  
Wisconsin X     X  
Wyoming          

X designated pest is known to occur

SCN - Soybean cyst nematode (Heterodera glycines)
PRN - Potato Rot Nematode (Ditylenchus destructor)
CRKN - Columbia root knot nematode (Meloidogyne chitwoodi)
GN - Golden nematode (Globodera rostochiensis)
PN - Pale cyst nematode (Globodera pallida)

Note: The data presented in this appendix is based on information provided by USDA/APHIS at the time of the current revision.