The following sites are good references for a number of diseases that are beginning to affect our corn and soybeans. Information included are images of the disease, biology, scouting tips as well as treatment options for control.

 

.Nebraska Plant Diseases:

Corn disease images:
http://www.ent.iastate.edu/imagegal/plantpath/corn/

Gray leaf spot images:
http://www.ent.iastate.edu/imagegal/plantpath/corn/grayleafspot/

Gray leaf spot information:
http://pdc.unl.edu/agriculturecrops/corn/grayleafspot
http://ohioline.osu.edu/ac-fact/0038.html
http://www.apsnet.org/online/feature/grayleaf/top.html