Soybean Stem Borers Feeding in South Central Nebraska
August 16, 2016
We are starting to see dead leaves caused by feeding of soybean stem borer larvae in south central Nebraska soybeans. No control measures are appropriate at this time, but monitor your fields and be aware that high populations of soybean stem borers may predispose the field to lodging and make harvest difficult.
Managing Spider Mites in Corn and Soybean
July 26, 2022
Recommendations for managing spider mites in corn and soybean, including treatment thresholds and insecticides, as well as discussions on the potential impact of beneficial insects, diseases and insecticide applications.
Identifying Spider Mite Damage and the Species Responsible
July 26, 2022
With growing reports of spider mites damaging corn and soybeans in Nebraska, it's important to check leaves closely, as many other crop issues can cause similar discoloration.
Watch For Grasshoppers in Crops
August 9, 2016
Growers are reporting grasshoppers in field borders moving into crop fields in parts of Nebraska. Here are the insect treatments to help you determine treatment need.
Tick Prevention Worth the Effort
August 2, 2016
It's tick season in Nebraska and time to create a barrier between you and these disease-transmitting pests. See tips for avoiding their bite and what to do if you find one on your body. Also see photos to aid in identification.
Be on the Lookout for Sugarcane Aphids on Sorghum
July 29, 2016
Nebraska grain sorghum producers are being advised to be on the lookout for sugarcane aphids. While this pest hasn't been a problem in Nebraska previously, it is in Kansas and moving north. The sugarcane aphid is light yellow to gray in color, with dark cornicles (“tail-pipes”) at the end of the body and dark tarsi (feet). Adult aphids can be winged or wingless.
Decision Making for Soybean Defoliating Insects
July 15, 2016
July is when growers start to see a variety of defoliators in Nebraska soybean fields. It's easy to overestimate the amount of defoliation and soybean plants can compensate for some leaf area loss. This article describes how to assess defoliation and provides basic treatment thresholds.
Soybean Defoliation Worksheet
July 13, 2016
While soybean defoliation, the most common injury to soybeans from insects, can look devastating, soybean plants can often compensate for the leaf loss. When making pest-management decisions, crucial considerations are the size of the remaining leaf canopy and the soybeans' growth stage.