The parasitism of P̲o̲l̲y̲p̲o̲r̲u̲s̲ s̲c̲h̲w̲e̲i̲n̲i̲t̲z̲i̲i̲ on seedling P̲i̲n̲u̲s̲ s̲t̲r̲o̲b̲u̲s̲ ...
By: [by] Robert Eugene Wean.
Published: 1937
Place of publication: Philadephia
Language: eng
Number of pages: 1142
Subjects: Polyporus schweinitzii.; White pine -- Diseases and pests.; Seedlings.
Notes: "Literature cited": p. 1141-1142.
Thesis (Ph. D.)--University of Pennsylvania, 1936.
"Reprinted from Phytopathology, December, 1937, vol. XXVII, no.12."