Average Corn Nematode Risk in the U.S. (MIDWEST*)
Nematode risk reflects results from three soil samples taken from counties in the northern Corn Belt with more than 25,000 acres of corn production. The risk levels in individual fields can vary from the results shown here.



The potential corn injury risk category colors represent a weighted index of nematodes present based on species numbers and relative thresholds for each species


  
Relative Nematode Risk:
None
Low
Medium
High
No Data