by John W. Roberts
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The sources of apple bitter-rot infectio...
Blight of pears, apples, and quinces
Apple scab
Apple blotch
Peach brown rot and scab
Control of peach bacterial spot in south...
Cherry leaf-spot and its control
Alternaria leafspot disease of cucurbits
The control of tomato leaf-spot
Sour-cherry leaf-spot control in Oregon
Studies on Septoria leaf-spot of Rubus
Early and late leaf spots of groundnut