Recent research on foliage diseases
Subtitle: conference proceedings, Carlisle, Pennsylvania, May 29-June 2, 1989
By: William Merrill [i.e. Merill] and Michael E. Ostry, editors ; sponsored by the International Union of Forestry Research Organizations, Working Party on Foliage Diseases ... [et al.].
Contributors: Merill, William.; Ostry, Michael E.; International Union of Forestry Research Organizations. Working Party on Foliage Diseases.
Series: General technical report WO ;; 56
Publisher: U.S. Dept. of Agriculture, Forest Service
Published: 1990
Place of publication: Washington, DC
Language: eng
Number of pages: 145
Subjects: Trees -- Diseases and pests -- Congresses.; Leaves -- Diseases and pests -- Congresses.
Notes: Includes bibliographical references.
"November 1990."