Victor Hugo Vidal Ribeiro

Victor Ribeiro, OSU Extension Weed Specialist

Assistant Professor , Extension Specialist in Weed Science

Hablo español (I speak Spanish)

[email protected]

Expertise: Weeds

Department/Unit: Crop and Soil Science - Crops Unit

Biography

My applied research and extension program focuses on developing practical, science-based solutions to weed management challenges in Oregon field crops. My research interests include herbicide resistance, herbicide fate in the environment and non-target impacts, integrated weed management, and weed biology and ecology.

Content by Victor Hugo Vidal Ribeiro

Bristly hawksbeard ID guide

Bristly hawksbeard is a common weed in Western Oregon and Washington. The fast-growing annual bears bright yellow flowers. Stems have fine, soft hairs.

Renan N.D. Favera, Carol Mallory-Smith, Victor Hugo Vidal Ribeiro | Dec 2025 | OSU Extension Catalog Peer reviewed (Orange level)

OSU survey highlights weed challenges in Oregon agriculture

The statewide assessment provides the roadmap to target research, testing and Extension education where they will deliver the greatest benefit.

Victor Hugo Vidal Ribeiro | Oct 2025 | Impact story

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