A. J. Ullstrup

1907

• Progress of the Barberry Eradication Campaign in Wisconsin in 1930
• Corn diseases in the United States and their control
• Diseases of dent corn in the United States
• Inheritance of susceptibility to infection by Helminthosporium maydis race 1 in maize
• Studies on the variability of pathogenicity and cultural characters of Gibberella saubinetii