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1. When the disease is active, collect a cup-cutter sized plug (4" diameter) that is 3 - 4 inches deep from the edge of the patch or affected area.

2. Wrap the plug in newspaper or paper towels and secure with tape.

3. Ship overnight or bring immediately to the Center.

4. There is a $30 charge for each plug submitted for disease identification.

5. Collect samples prior to fungicide applications.​