Crop condition was rated high in the July 6 USDA NASS crop report: with good to excellent ratings for corn, 85%; soybean, 84%; and sorghum, 84% Corn and sorghum maturity were advancing ahead of normal.
Soybean aphid populations can explode in August under favorable conditions. Vigilant scouting is recommended, especially in northeast Nebraska where populations have historically been highest, to allow for timely management decisions.
Recommendations for scouting and managing soybean aphids, including why the 250-aphids-per-plant threshold is used. Two tools―an app and Excel worksheet―can help speed up scouting in the field and indicate when treatment is warranted.
Nebraska Extension’s Aug. 22 Midwest Soybean Production Clinic and Aug. 23 Midwest Corn Production Clinic will provide in-field opportunities for participants to work with crops in the early vegetative stages of growth through maturity.
Reports of orange gall midge in soybean increased in Nebraska this year and researchers have initiated in-field and laboratory studies to help learn more about its potential to reduce yield as well as best practices for its management.