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Corn Tar Spot Identified in New Jersey

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The presence of Corn Tar Spot (Phyllachora maydis) has been confirmed in New Jersey. Laboratory examination of a corn sample from New Jersey revealed the presence of tar spot. Tar spot is a foliar disease of corn that commonly occurs throughout Mexico, Central America, South America, and the Caribbean. The disease was identified in the […]

Tar Spot: An Emerging Disease of Corn Recently Found in PA

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Though not yet found in NJ, keep tar spot to your radar when scouting corn. Tar spot is a fungal disease of corn that causes small, raised, black spots to appear on both the upper and lower leaf surfaces (Photos 1 & 2). With severe disease, spots may also be observed on corn husks and […]