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John W. Roberts

b. 1882 ยท 5 books

Books by John W. Roberts

Peach brown rot and scab
Peach brown rot and scab
1927
Apple blotch
Apple blotch
1926
Control of cherry leaf-spot
Control of cherry leaf-spot
1919
The sources of apple bitter-rot infections
The sources of apple bitter-rot infections
1918
Control of peach bacterial spot in southern orchards
Control of peach bacterial spot in southern orchards
1917