Crop Disease

Tar spot on corn leaf

Black Spots in Corn? Southern Rust, Tar Spot and More

August 29, 2024
Differentiating between corn diseases can be difficult, but it's vital for effective long-term management. Read this article to learn more about the identifiable characteristics of Nebraska's most common and emerging corn diseases.

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Tar spot symptoms on corn leaf

Corn Disease Update: Fungicide Expectations for Disease Control

August 15, 2024
Persistent wet weather in the early growing season set the scene for corn diseases to flourish. This article provides guidance on using foliar fungicides to mitigate loss, regarding application timing, disease history, crop stage and weather impacts. 

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Combine moving in field as black dust rises
Black dust from common bunt rises behind a combine during winter wheat harvest. (Photo by John Thomas)

Common Bunt Infection in Winter Wheat

August 14, 2024
Common bunt in winter wheat can be avoided by using certified seed, treating seeds with fungicide, and practicing crop rotation and field sanitation. These strategies are crucial to avoid infection and maintain healthy, productive wheat crops.

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Man and woman look at seedlings in containers
Shaonpius Mondal and Sofiya Arora, a master’s student, screen wheat seedlings for virus transmission experiments. Mondal, an assistant professor of entomology, has extensive experience in the study of viral infections of crops. (Photo by Craig Chandler, University Communication and Marketing)

Mondal Lab Pioneers Research into Pest-borne Viral Infections of Cereal Crops

August 7, 2024
Three main experiments are underway in Mondal’s lab to target the process of disease transmission from crop pests to wheat and small grains crops.

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This Week on N Field: Southern Rust 2024

August 2, 2024
UNL Extension Specialist Tamra Jackson-Ziems discusses concerns about the early onset of southern rust in Nebraska this year.

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N Field corn field banner

This Week on N Field: Soybean Disease Trends in Nebraska

July 26, 2024
Extension Plant Pathologists Dylan Mangel and Tamra Jackson-Ziems provide an in-depth update on the current soybean disease trends in Nebraska.

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Southern rust spots on corn leaf

Southern Rust Spreading in Eastern Nebraska

July 25, 2024
Southern rust development and presence in several eastern Nebraska counties was earlier and more widespread this year. Producers are encouraged to scout their fields, and send samples to UNL for assistance with identification.

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Mushroom-like structures on ground

Take Action Now: White Mold Threat in Soybeans

July 12, 2024
White mold significantly impacted Nebraska soybean yields in 2023, and proactive management is crucial for this season. 

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