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.
Plant & Pest Diagnostic Clinic Report (June 14)
June 15, 2017
The following diseases were reported in samples submitted to the UNL Plant and Pest Diagnostic Lab June 1 to June 14.
Conditions Favor Early Season Soybean Diseases Again This Year
June 6, 2017
Cool, wet conditions in May may be contributing to soybean seedling injury from disease. Scouting is recommended to identify diseases and differentiate injury from that caused by herbicides when determining potential stand loss.
Research in 4 North Central States Shows Limited Response with Fungicide in R3 Soybeans
February 3, 2017
In a multi-year summary of soybean studies with fungicide and insecticide applications in the north central United States, university researchers combined trial data to estimate overall profitability of foliar applications at the R3 growth stage (beginning pod development).
Test for SCN This Fall & Select Seed Accordingly
October 31, 2016
If you noticed some areas of your soybean fields that didn't yield as well as expected, this fall would be a good time to soil test for soybean cyst nematode. In University of Nebraska research of SCN-infested fields, switching to an SCN-resistant variety increased yields as much as 6 bu/ac.
Corn and Soybean Diseases Reported by UNL PPDC
September 9, 2016
The following diseases were reported in samples submitted to the UNL Plant and Pest Diagnostic Lab July 1 to Sept. 8.
Sudden Death Syndrome Showing Up in Several Areas
August 26, 2016
Wet soil conditions earlier this year and heavy rains during flowering were favorable for early infection with Sudden Death Syndrome (SDS). While there is no treatment at this time, correctly identifying any (and all) stem and root rots like SDS can help you plan for management in future years.