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American Plant Pest Committee
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Report on White pine blister rust control, 1918-1919
American Plant Pest Committee. · American plant pest committee
Sayfa sayısı yok · 1919
White pine / Diseases and pests / Blister rust
Report on white pine blister rust control 1919
Samuel B. Detwiler, G. P. Clinton, Florence A. McCormick, W. S. Regan, American Plant Pest Committee · American Plant Pest Committee
12 sayfa · 1919
Kategori yok
Report on white pine blister rust control 1918
G. P. Clinton, Samuel B. Detwiler, W. S. Regan, Perley Spaulding, W. A. McCubbin, Haven Metcalf, American Plant Pest Committee · American Plant Pest Committee
16 sayfa · 1918
Plant parasites / Periodicals