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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…

Soybean seed treatments: Questions that emerge when plants don’t

  Poor soybean stand establishment is frustrating, especially considering all the time and money spent on seed, planting, and maintaining fields.This is particularly true when farmers have also invested in seed treatments designed to prevent crop loss due to seedling diseases. However, every product has limitations and may not always work the way it is…

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…

Corn Disease Loss Estimates For the United States and Ontario, Canada — 2014

Corn Disease Loss Estimates For the United States and Ontario, Canada — 2014 Corn diseases annually reduce yield in the United States and Canada. Diseases of importance vary from year to year, and diseases that affect yield are based on many factors, including weather conditions, crop production practices, and hybrid selection and susceptibility to disease. Plant…

Corn Disease Loss Estimates For the United States and Ontario, Canada — 2013

Corn Disease Loss Estimates For the United States and Ontario, Canada — 2013 Each year, corn diseases reduce yields in the United States and Canada. The most important diseases vary from year to year depending on many factors, including weather conditions, crop production practices, hybrid selection, and susceptibility to disease. Plant pathologists in each of 21…