Issue No. 11/June 9, 2006
Upcoming GPS Conference Takes Producers to Infinity and Beyond
A full-day conference on Friday, June 23, will cover a range of topics on using GPS in agriculture. Registration deadline is June 16.
An Inventory of Field Crop Insect Issues in the Midwest
Synopses are presented of state-by-state insect issues outlined in a teleconference with midwestern Extension entomologists.
Soybean Aphids Already Found in Soybean Fields in Northern States
Soybean aphids have been found in soybean fields in Minnesota, Iowa, and South Dakota. Particularly where buckthorn is prevalent, it's probably not too soon to scout for soybean aphids in Illinois.
Western Corn Rootworm Feeding Behavior on a Transgenic Hybrid Described in Detail
Research just published in the Journal of Economic Entomology suggests that some western corn rootworm larvae may be able to detect small concentrations of Cry3Bbl in root tissue, stop feeding, and survive to the next instar.
Insect Events of Note: More to Follow in the Near Future
Southwestern corn borer moths have been captured at trap locations in six southern Illinois counties. The first emerged Japanese beetle of the season has also been observed in St. Clair County.
Adjusted Preharvest Interval for Warrior Insecticide
The preharvest interval for Warrior insecticide applied to soybeans has been reduced from 45 to 30 days.
Reports are provided this issue for northern, southern, and west-central Illinois.