Resolution of plant health issues
Subtitle: with particular reference to the infection of Canadian seed potatoes with the tobacco veinal narcosis strain of potato virus Y (PVYN)
By: Prepared for Agriculture Canada by C. M. Switzer.
Publisher: Clay Switzer Consultants
Published: 1992
Place of publication: Guelph, Ont
Number of pages: 19
Subjects: PVYN virus; Potatoes -- Diseases and pests; Potatoes -- Viruses
Notes: Text in English and French.