Now showing items 1-3 of 3

    • Blackpoint Disease 

      Jensen, L. A.; Brentzel, W. E.; Jensen, L. A.; Brentzel, W. E. (North Dakota State University, 1957)
    • Crop Diseases 

      Brentzel, W. E.; Jensen, L. A.; Brentzel, W. E.; Jensen, L. A. (North Dakota State University, 1958)
    • Fireblight of Apples 

      Graves, Harry A.; Brentzel, W. E.; Graves, Harry A.; Brentzel, W. E. (North Dakota State University, 1957)