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Issue No. 15/July 7, 2006

Corn Rootworm Larval Damage "The Worst I Have Ever Seen" Reported in Some Fields
Additional reports are coming in of severe rootworm larval damage. The variant western corn rootworm appears to be establishing in some new areas.

Tassel High by the Fourth of July: Prepare for Silk Clipping by Western Corn Rootworms
Western corn rootworm adults have taken flight across Illinois. Don't assume that because you planted a Bt hybrid for corn rootworms you're safe through pollination. Take time to scout fields.

Japanese Beetles Will Not Go Away Any Time Soon
Extreme numbers of Japanese beetles continue to be reported from some areas. Continued monitoring for silk clipping through the pollination period is strongly encouraged.

Instances of Inconsistent Weed Control with Glyphosate
Myriad factors may be contributing to the problem of weeds remaining after postemergence application of glyphosate in soybean.

Regional Reports
Reports are provided this issue for northern and west-central Illinois.