by Kenneth J. Kessler
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Control of black walnut root rot disease...
Dieback of sugar maple, Upper Michigan, ...
Eutypella [parasitica] canker of maple
Sapstreak disease of sugar maple
How to identify gnomonia and diaporthe c...
How to control sapstreak disease of suga...
Early and late leaf spots of groundnut
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