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Dylan Mangel - Extension Plant Pathologist

treated soybean seed in a hopper.

April 9, 2026

Cutting Seed Treatment Costs in Midwest Soybean

By Matheus Ribeiro - Assistant Extension Educator, Jenny Brhel - Extension Educator, Adam Leise - Extension Educator, Travis J. Prochaska - Extension Educator, David S. Wangila - Extension Educator, Dylan Mangel - Extension Plant Pathologist, Justin McMechan - Crop Protection and Cropping Systems Specialist

Close-up of soybean gall midge larvae clustered inside a split soybean stem, showing bright orange larvae and surrounding plant tissue damage.

July 2, 2025

Insect Pests and Plant Diseases in Soybean: A Nebraska Soybean Board-Funded Project

By Thales Rodrigues da Silva - MSc Graduate Student, Justin McMechan - Crop Protection and Cropping Systems Specialist, Dylan Mangel - Extension Plant Pathologist, Wayne Ohnesorg - Extension Educator, Travis J. Prochaska - Extension Educator, Ron Seymour - Extension Educator, Aaron Nygren - Extension Educator, Matheus Ribeiro - Assistant Extension Educator, Ritika Lamichhane - Extension Educator, John Nelson - Extension Educator

Split photo of black dectes stem borer adult on soybean leaf and orange soybean gall midge larvae inside soybean stem

December 17, 2025

Extension Highlights 2025 Yield Results from Nebraska Soybean Pest Study

By Thales Rodrigues da Silva - MSc Graduate Student, Justin McMechan - Crop Protection and Cropping Systems Specialist, Dylan Mangel - Extension Plant Pathologist, Wayne Ohnesorg - Extension Educator, Travis J. Prochaska - Extension Educator, Ron Seymour - Extension Educator, Aaron Nygren - Extension Educator, Matheus Ribeiro - Assistant Extension Educator, Ritika Lamichhane - Extension Educator, John Nelson - Extension Educator

Four-panel collage of soybean leaves and stems with chlorosis and stem discoloration from different late-season diseases, each panel marked with a small question mark, and the title ‘Late-Season Look-Alikes: Can You Spot the Difference?’ across the top.

September 12, 2025

Late-Season Soybean Diseases and Insect Issues

By Dylan Mangel - Extension Plant Pathologist, Justin McMechan - Crop Protection and Cropping Systems Specialist

Split photo of black dectes stem borer adult on soybean leaf and orange soybean gall midge larvae inside soybean stem

September 5, 2025

Multi-Site Extension Study Provides New Data on Soybean Pests

By Thales Rodrigues da Silva - MSc Graduate Student, Justin McMechan - Crop Protection and Cropping Systems Specialist, Dylan Mangel - Extension Plant Pathologist, Wayne Ohnesorg - Extension Educator, Travis J. Prochaska - Extension Educator, Ron Seymour - Extension Educator, Aaron Nygren - Extension Educator, Matheus Ribeiro - Assistant Extension Educator, Ritika Lamichhane - Extension Educator, John Nelson - Extension Educator

Soybean field with sudden death syndrome symptoms, inset close-up showing blue fungal growth on infected roots.

September 4, 2025

Sudden Death Syndrome in Soybean: Tips for Diagnosis and Management

By Dylan Mangel - Extension Plant Pathologist, Ritika Lamichhane - Extension Educator

Split photo of black dectes stem borer adult on soybean leaf and orange soybean gall midge larvae inside soybean stem

August 7, 2025

New Findings in Nebraska Soybean Pest Study

By Thales Rodrigues da Silva - MSc Graduate Student, Justin McMechan - Crop Protection and Cropping Systems Specialist, Dylan Mangel - Extension Plant Pathologist, Wayne Ohnesorg - Extension Educator, Travis J. Prochaska - Extension Educator, Ron Seymour - Extension Educator, Aaron Nygren - Extension Educator, Matheus Ribeiro - Assistant Extension Educator, Ritika Lamichhane - Extension Educator, John Nelson - Extension Educator

Brown mushroom-like apothecia emerging from moist soil and crop residue, indicating active white mold spore production in the field.

July 24, 2025

Soybean Disease Update: High Risk Predicted for Nebraska Soybean in 2025

By Dylan Mangel - Extension Plant Pathologist

Soybean plant showing wilting and stem lesions with white, cottony fungal growth and sclerotia, typical of advanced white mold infection.

June 27, 2025

Soybean White Mold Management Season is Here

By Dylan Mangel - Extension Plant Pathologist, Roshani Baral - Plant Pathologist

photo collage of tar spot map behind corn leaf and text about what's included in article

June 20, 2025

Early Tar Spot Detected in Nebraska Corn; Irrigation Shown to Elevate Disease Risk

By Talon Mues - Extension Educator, Saleh Taghvaeian - Biological Systems Engineering Associate Professor, Dylan Mangel - Extension Plant Pathologist, Tamra Jackson-Ziems - Extension Plant Pathologist

Corn seedling

May 25, 2022

Conditions Favor Seedling Diseases in Early Planted Corn and Soybeans

By Dylan Mangel - Extension Plant Pathologist, Tamra Jackson-Ziems - Extension Plant Pathologist

Frogeye leaf spot

June 16, 2022

Fungicide Resistance and Management of Frogeye Leaf Spot of Soybean in Nebraska

By Asha Mane - Graduate Student, Dylan Mangel - Extension Plant Pathologist, Sydney Everhart - Associate Professor of Plant Pathology, Tamra Jackson-Ziems - Extension Plant Pathologist