Roberts, Daniel A. 1922- Fundamentals of plant pathology / Daniel A. Roberts, Carl W. Boothroyd - San Francisco : W. H. Freeman, c1972 - xii, 402 p : ill ; 24 cm Includes bibliographies and index ISBN: 0716708221 Subjects--Topical Terms: Plant diseasesPathology Dewey Class. No.: 571.92 / ROF 1972