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Displaying 1 - 10 of 120 resources

Loose smut disease: What hay and grass seed producers need to know

Smut diseases pose a serious threat to hay and grass seed production, leading to yield losses, reductions in forage quality and contamination. This guide helps hay and grass seed producers learn to identify and manage the disease.

Collins Bugingo | Nov 2025 | OSU Extension Catalog Peer reviewed (Orange level)

Plant Pathology Diagnostic Laboratory Services

The Plant Pathology Laboratory on the Hermiston Agricultural Research and Extension Center is dedicated to providing plant disease diagnostic services to the agricultural industry of the Columbia River Basin and to greater Oregon.

Kenneth Frost | Project

Boxwood blight uncovered: From infection to detection — El tizón de boxwood al descubierto: De la infección a la detección

Boxwood blight, caused by the fungus Calonectria pseudonaviculata, leads to stem lesions, leaf spots and defoliation. It spreads in wet, humid conditions and through contaminated plants, soil or equipment, so experts ...

Luisa Santamaria | Aug 2025 | OSU Extension Catalog Peer reviewed (Gray level)

New OSU study shows persistent airborne spread of carrot disease

This research offers a path forward to protect one of Oregon’s most valuable specialty crops — and ensure its long-term sustainability.

Jeness Scott, Jeremiah Dung | Jul 2025 | Impact story

Oregon State’s plant detectives protect natural landscapes, one case at a time

The OSU Plant Clinic offers expert analysis, guidance for disease control, and hands-on learning support as part of Oregon State’s larger Extension and research mission.

Chris Branam | Jul 8, 2025 | News story

Understanding tomato diseases helps gardeners grow with confidence

Boost your garden success with expert tips to identify, treat, and prevent common issues in tomato plants.

Kym Pokorny | Jun 26, 2025 | News story

OSU efforts help growers spot and manage soilborne wheat mosaic virus

More growers in the Walla Walla Valley are now recognizing the disease’s symptoms, leading to improved awareness and more accurate field diagnoses.

Christina Hagerty | May 2025 | Impact story

Extension forester distributes seedlings to help restore Port-Orford-cedar

The efforts enhanced reforestation with disease-resistant trees and also built a foundation for landscape-scale genetic resilience through local partnerships and grassroots action.

Norma Kline | May 2025 | Impact story

Boxwood blight in commercial nurseries

This title includes three products: a publication in English, a publication in Spanish, and a bilingual poster (both English and Spanish). This is the English edition of the publication. Content includes information ...

Luisa Santamaria | Apr 2025 | OSU Extension Catalog Peer reviewed (Orange level)

OSU plant pathology internships prepare students for science research

At the end of the internship, they present their results in a formal report, showing their understanding and contributions to plant pathology research.

Francesca Lear | Mar 21, 2025 | News story