More Tar Spot Found
Pam Smith DTN\Progressive Farmer Crops Technology Editor
Tue Sep 22, 2015 11:51 AM CDT

DECATUR, Illinois (DTN) -- A new fungal corn leaf disease called "tar spot" identified in Indiana last week has now been found in northern Illinois.

The Illinois Department of Agriculture confirmed that leaf samples from LaSalle, DeKalb and Bureau counties tested positive for the fungus Phyllachora maydis.

The samples were collected from commercial fields and sent to Purdue University plant pathologist Kiersten Wise in response to her inquiry for samples after the disease was spotted in Indiana in early September (…). This is a new disease for United States corn growers. Prior to the Indiana discovery, the disease ...

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