Browse Prairie Research Institute by Subject "Bacterial diseases of plants"

  • Tehon, Leo Roy; Stout, G.L. (Champaign : Illinois Natural History Survey, 1930)
    From 1921 through 1928, a survey was made in Illinois of the epidemic diseases of fruit-trees. During these years, methods of measuring the epidemics had to be devised, tested, and perfected; in every year the epidemics ...

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