Daren Mueller

Grain Sampling and Mycotoxin Testing

If corn ear rots were a problem in the field, it is important to test harvested grain for mycotoxins. Obtaining a representative sample for mycotoxin testing is critical for accurate results. It’s also important to know that testing methods vary in accuracy. This publication recommends grain sampling and testing methods for detecting mycotoxins. Sampling Requirements…

Soybean Stem Zone Lines: Fact and Fiction

FACT: The presence of soybean stem zone lines is associated with stem disease in the Diaporthe/Phomopsis disease complex. This disease complex includes Phomopsis seed decay caused by D. longicolla, pod and stem blight caused by D. sojae, and stem canker caused by D. caulivora and D. aspalathi. FICTION: Soybean stem zone lines are associated with…

Using ILeVO® with preemergence herbicides

Using ILeVO® with preemergence herbicides CPN 1013 — January 2016 Fluopyram (ILeVO®; Bayer CropScience) is a fungicide seed treatment used to manage soybean sudden death syndrome (SDS). Use of ILeVO® can result in cotyledon discoloration known as the “halo effect” (Fig. 1). Farmers and crop advisors question if seedling damage is more severe when preemergence herbicides…