James F. Walgenbach books & textbook
Compendium of Apple and Pear Diseases and Pests, Second Edition
Turner B. Sutton Herb S. Aldwinckle Arthur M. Agnello and James F. Walgenbach
Amer Phytopathological Society /2013-12-01 Paperback / 224 Pages
isbn-10: 0890544301 / isbn-13: 9780890544303
A Grower's Guide to Apple Insects and Diseases In The Southeast (Circular ANR-838)
John R. McVay James F. Walgenbach Edward J. Sikora Turner Sutton
Extension Service -USDA /1994T Spiral-bound / 70 Pages
