(Q51385614)
Statements
Powdery scab (Spongospora subterranea) of potatoes (English)
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Melhus, I. E. (Irving E.),
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unknown value
U.S. Dept. of Agriculture
Washington, D.C.
1914
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Powdery scab (Spongospora subterranea) of potatoes (IA powderyscabspong82melh).pdf
793 × 1,275, 28 pages; 3.17 MB
793 × 1,275, 28 pages; 3.17 MB
0 references