Browsing 1900-1909 Theses (MU) by Title "Life histories of two little known parasites of the apple and pear"
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(University of Missouri, 1907)The Sooty Blotch is a very common fungus upon the fruit of the apple and pear. It was first reported by Schweinitz in 1831 from Pennsylvania. Since then it has been reported from all parts of the United States and Europe. ...