New disease of corn identified in Illinois

Symptomatic corn leaf samples from Champaign County in Illinois have been confirmed positive for the bacterium Burkholderia andropogonis (Pseudomonas adropogonis (Smith) Stapp.), the causal agent of Bacterial Stripe disease.


How do I know if tar spot is in my field?

A few weeks ago, tar spot, a new disease of corn caused by the fungus Phyllachora maydis was reported for the first time in the US, first in Indiana and then in Illinois. It was later found as far east as Allen County, Indiana, bordering Paulding County in northwest Ohio. So, although tar spot has not yet been confirmed in Ohio, it is quite possible that it may be present in the northwestern corner of the state.


Tar spot on corn confirmed in the United States

Tar spot, a corn disease not previously reported in the United States was identified in Indiana this week. Samples were confirmed by a national plant pathologist with the USDA Animal Plant Health Inspection Service in Beltsville, Md. This is the first confirmation of this disease in the United States.


Lots of stalk rots reported in the Midwest

Stalk rots are common in the Midwest and are in every field to some extent. Identifying the specific type of stalk rot is easier during early stages of development, but becomes more difficult late in the season when multiple stalk rots become established in the same plant.


Syngenta receives EPA registration for Solatenol

Syngenta announced that its newest succinate dehydrogenase inhibitor (SDHI) fungicide – Solatenol – has received registration from the U.S. Environmental Protection Agency and is now available in four product offerings, pending individual state registrations. Solatenol fungicide is now available for use by U.S. growers on a wide range of crops.


Goss’ wilt marches east in Indiana

Goss’s wilt of corn, caused by the bacterium Clavibacter michiganensis subsp. nebraskensis, has been confirmed in several fields in northeast Indiana in 2015, making these the most eastern confirmations of the disease in the state to date. The disease has also been detected in northwest Indiana this year.


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