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![Winter wheat plants at the tillering growth stage with leaves yellowing as a result of wheat streak mosaic virus infection.](/sites/default/files/2021-05/W-00949-01-Wheat-Streak-Mosaic-Virus.jpg)
Wheat Streak Mosaic Developing in Winter Wheat Fields
A few winter wheat fields in central South Dakota have been found with wheat streak mosaic disease. Incidence of this disease varied from a few plants to large portions of the field with yellowing leaves.
![Gray caterpillar with dark markings, white splotches and a white stripe running down the middle of its back.](/sites/default/files/2021-05/W-00950-01-Army-Cutworm-Caterpillar-Alfalfa.jpg)
It’s Time to Scout Alfalfa for Cutworms
One of the earliest insect pests that can be found in South Dakota’s alfalfa fields are army cutworms. Injury from cutworms can sometimes be overlooked until large patches of an alfalfa field have been “cut.”
![Tim Schreiner at his food preservation booth at the Vermillion Area Farmers Market.](/sites/default/files/2021-04/W-00925-01-Volunteer-Profile-Shreiner-Tim.jpg)
Schreiner Turns Backyard Hobby Into Community Support
Whether volunteering as a Master Gardener or a Master Food Preserver, Tim Schreiner says the interaction with people and seeing that “light bulb” moment after a conversation is really the fun part of the programs.
![A patch of soybeans with several plants exhibiting browning and yellowing leaves.](/sites/default/files/2018-12/W-M12750-01-soybean-sudden-death-syndrome.jpg)
Plant Disease Management Decisions to Make Before Planting
For most plant diseases, in-season management choices are very limited. In fact, there are no in-season management options available for diseases caused by nematodes, viruses, and bacteria.
![Hail-damaged corn field.](/sites/default/files/2022-06/W-01386-00-Corn-Hail-Damage-Storm.jpg)
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 leaf showing the green and yellow mosaic streaking associated with WSMV.](/sites/default/files/2022-06/W-01388-01-Wheat-Streak-Mosaic-Virus-WSMV.jpg)
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.
![Small white mites crawling on a blade of wheat.](/sites/default/files/2018-12/W-M11759-01-wheat-curl-mite.jpg)
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.
![Winter wheat breeder Sunish Sehgal combines winter wheat near campus using the new combine that the South Dakota Crop Improvement Association and South Dakota Foundation Seed Stock purchased for the SDSU winter wheat breeding program. Sunish Sehgal combining a field of wheat](/sites/default/files/2018-12/MC-00143-02-Wheat-Combine.jpg)
Growth Stages of Wheat
Management decisions in wheat production are almost always based on growth stages of the crop. So it is important for wheat producers to be familiar with these growth stages.
![Oat leaves covered in orange pustules.](/sites/default/files/2022-06/W-01401-02-Crow-Rust-Oats-Disease-Fungal.jpg)
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.
![Blades of green wheat in a wheat field.](/sites/default/files/2018-12/W-M6143-01-wheat-field-green.jpg)
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.