. Diseases of cereal and forage crops in the United States in 1924. Grain Diseases and pests United States; Forage plants Diseases and pests United States. V < S 7/20 i I ly'} 7/4 "-v^-^ 5/311 6/1 :^dl^ Del. V = Fungus \nrV? but date of first \ apoea-^^ahQe -not fUven. \ S. Fig. 4-- OccurrtiiCv dates of first observation of clover povvdery mildew in 1924-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original H

---

. Diseases of cereal and forage crops in the United States in 1924. Grain Diseases and pests United States; Forage plants Diseases and pests United States. V < S 7/20 i I ly'} 7/4 "-v^-^ 5/311 6/1 :^dl^ Del. V = Fungus \nrV? but date of first \ apoea-^^ahQe -not fUven. \ S. Fig. 4-- OccurrtiiCv dates of first observation of clover povvdery mildew in 1924-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Haskell, Royal J. (Royal Joyslin), 1890-1958; United States. Office of Plant Disease Survey and Pathological Collections. [Washington, D. C. ] : Office of Plant Disease Survey and Pathological Collections, Bureau of Plant Industry, United States Department of Agriculture

---

Size: 1842px × 1356px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., book, bookcentury1900, bookcollectionbiodiversity, bookdecade1920