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Are Fungicides Needed on Crops Damaged by Wind, Sand Blasting or Hail?
When extreme weather brings hail and sand blasting to fields, many growers wonder if a fungicide application is needed afterwards to protect wounded plants from bacterial diseases.
Wheat Streak Mosaic Virus Showing Up in Fields
Wheat streak mosaic virus is a viral disease, which has been found in samples recently sent into the SDSU Plant Diagnostic Clinic. Learn how to identify it before it takes a toll on wheat crops.
Managing Wheat Curl Mite
Wheat curl mite is one of the more difficult pests to manage in wheat. This is in part due to the limited options available for preventing populations from infesting a field and rapidly reproducing.
Crown Rust of Oats
Crown rust continues to be the most economically damaging and important fungal diseases of oats in South Dakota. Learn how to recognize and manage it in oat fields this growing season.
Scouting Wheat Fields
Scouting is the process of monitoring fields and crops during a growing season. It can provide producers with field specific information on pest pressure and crop injury.
White Mold Development: Is your soybean field at risk?
According to USDA-NASS crop progress report for the week of July 17, 49% of the soybeans in South Dakota are at flowering. The flowering growth stage is also the time when white mold infection is initiated. The white mold pathogen infects the soybeans through the flowers that are senescing after pollination.
Barley yellow dwarf developing in winter wheat.
Barley yellow dwarf is starting to develop in winter wheat. Barley yellow dwarf is caused by the Barley yellow dwarf virus (BYDV). This disease usually becomes more distinct at flag leaf emergence. A typical symptom of Barley yellow dwarf is the purplish-yellow color of infected leaves, especially the flag leaf.
Early Season Insecticide Applications in Wheat
Many wheat producers in South Dakota have adopted more intensive management practices in the last few years, including an early season application of fungicide and, in some cases, insecticide.
Fungicide Seed Treatments for Winter Wheat
As producers are preparing to plant winter wheat, one of the decisions to make is whether to use a fungicide seed treatment, and if the answer is yes, which product to use.
Soybean Diseases Update
A few soybean fields scouted had between low to moderate levels of brown spot (also known as Septoria leaf spot). Soybean planted into soybean stubble had elevated levels of brown spot.