Issue No. 8/May 16, 2008
Insects and Incessant Rain
Despite the mud, if at all possible check fields that were infested with winter annual weeds for black cutworms and those that were infested with grassy weeds for armyworms.
White Grubs and Their Subterranean Comrades
When assessing corn stands, know how to distinguish between white grub species. And if you find a reduced stand and uncover annual white grubs easily, keep digging to be sure other subterranean pests are not at fault.
Wet and Waiting: Notes on Crop Planting and Emergence
Unexpectedly good progress in corn planting was made this week, but wet, cool conditions continue to cause concern about emergence for both corn and, once it is planted, soybean. Wheat is late in heading but tiller numbers are reasonably good.
Reports are provided this issue for east-central, northern, southern, and west-central Illinois.