Diseases and pests of potatoes/ 
Comp. by W A Hodgson and D.D. Pond 
 - Ottawa :  Dept. of Agriculture,  1973, ©1977 
 - 74p.:  ill. ;  23 cm. 
 - Publication (Canada. Agriculture Canada), 1492.; .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Potatoes--Diseases and pests.
<br/><br/><label>Dewey Class. No.: </label>635.21