Assessing Corn Rootworm Damage – Now is the Time
Corn rootworm activity, in general, appears higher in much of Illinois than it has been for the last several years. Along with higher activity, resistance to Bt traits in western and northern corn rootworm remains our top insect management concern in Illinois corn. We are at a bit of a disadvantage with this insect in that the damage occurs below ground – it is not always obvious that we have a rootworm problem until it is severe enough for lodging to occur.…