Abstracts of papers :  2nd International Congress of Plant Pathology, September 5-12, 1973, University of Minnesota, Minneapolis, Minnesota, U.S.A. 

 - St. Paul, Minnesota :  The American Phytopathological Society,  1973 
 - 1v. (various pagings) ;  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant diseases--Congresses