Issue No. 7/May 11, 2007
Maintain Vigilance for Early-Season Insect Pests of Field Crops
Continue to keep a close watch out for alfalfa weevils, armyworms, and black cutworms.
Soybean Aphid Spring Densities Not as Great as Anticipated: Cold Snap in Early April Likely Responsible
Entomologists have found fewer winged aphids than expected this spring on buckthorn in northern Illinois, but densities are still likely to be high in some areas of the state.
Formulations of 2,4-D: Acids, Esters, and Amines
Not all formulations and products containing 2,4-D are alike; how and why different formulations are used for different applications are detailed.
Determine Optimum First-Cutting Date with Alfalfa Watch
Alfalfa producers and dealers in the northern half of Illinois can use the online Alfalfa Watch to help time their first cuttings.
Reports are provided this issue for northern, southern, and west-central Illinois.