Soybean Disease Update
January 8, 2018
Information on four early season soybean seedling diseases, including occurrence, symptoms, and management. An article from the Proceedings of the 2018 Nebraska Extension Crop Production Clinics.
Frogeye Leaf Spot Resistance Increasing in Soybean
February 21, 2018
While not close to Nebraska yet, fungicide-resistant frogeye leaf spot has been confirmed in eastern Iowa. Ward off problems here by implementing integrated management practices.
White Mold More Common This Year in Soybean
August 24, 2017
The increased levels of white mold that growers are finding in soybean this year are likely due to cool wet conditions at bloom, when the initial infection actually occurred.
Sudden Death Syndrome Starting to Show up in Soybeans
August 16, 2017
Sudden death syndrome often appears in small patches of a field and can be confused with injury from brown stem rot. This story and two field videos examine SDS symptoms and how to differentiate it from other diseases. Once confirmed in a field, management begins with seed selection for the next crop.
Soybean Stem Canker Uncommon, but Found in Southeast Nebraska
August 10, 2017
Nebraska Extension Plant Pathologist Loren Giesler shares a short field video on identifying soybean stem canker.
Charcoal Rot: A Hidden Threat to Soybean Yield
July 27, 2017
The persistent hot weather this growing season may be conducive to the development of charcoal rot disease in soybean and scouting is urged. Although charcoal rot is most severe in hot dry conditions, it can also cause losses when ample moisture is present, making it a hidden threat to yield.
Frogeye Leaf Spot in Soybeans in Eastern Nebraska
July 27, 2017
Frogeye leaf spot is occurring in Nebraska soybeans, particularly in the eastern third of the state. While some fields have minor levels, some have significant levels and a fungicide treatment may be needed.
Phytophthora Root and Stem Rot Developing in Soybeans
July 27, 2017
As conditions heated up the last two weeks, the fungus causing phytophthora root and stem rot became active in irrigated fields and those fields that received significant rain over the past couple weeks. Growers are encouraged to scout for this disease and, if found, manage through seed selection and treatment for the next crop.