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Emmanuel Byamukama

Associate Professor & SDSU Extension Plant Pathologist

605-688-4521

Plant Science Building 107
Agronomy, Horticulture & Plant Science-Box 2108
University Station
Brookings, SD 57007

Generate research-based information to help growers manage plant diseases effectively and sustainably.
Provide alerts and updates of diseases developing in crops
Help growers diagnose plant diseases affecting their field crops
Provide fungicide safety and resistance management education

Also by Emmanuel Byamukama

Three wheat plants exhibiting disease symptoms. From left: Tan spot, powdery mildew, and Barley yellow dwarf.

Winter Wheat Diseases Update: Fungal Diseases and Barley Yellow Dwarf Developing

Tan spot and powdery mildew as well as barley yellow dwarf were found developing at low levels in winter wheat fields scouted the week of May 24, 2020.

A soybean root with several small white cysts growing on it.

Soybean Cyst Nematode in South Dakota: History, Biology, and Management

Factsheet about Soybean Cyst Nematode history, biology and management in South Dakota

Wheat plants exhibiting symptoms of tan spot and powdery mildew.

Does Early Fungicide at Tillering Result in a Profitable Yield?

Tan spot and powdery mildew pathogens are two residue-borne pathogens that can infect wheat early in the season. These diseases can lead to poor tillering, and their continued development can lead to yield loss.