Herbicide crop safety enhancement for brassica seed production using activated charcoal
Innovative use of activated charcoal banding to neutralize herbicides, enhancing crop safety in brassica seed production. This method minimizes crop injury from herbicide mixtures, offering a new tool for weed control with proven efficacy in grass seed production.
Overview
This solution leverages the use of activated charcoal banding to improve herbicide crop safety in brassica vegetables grown for seed production. By neutralizing the effects of herbicides on the soil, this method significantly reduces crop injury. The approach involves applying a band of activated charcoal over direct-seeded brassica crops, followed by the application of a herbicide mixture (Fierce EZ consisting of flumioxazin plus pyroxasulfone). This innovative method has been proven effective in grass seed production and now offers a novel solution for controlling brassica weeds.
Technical specifications
Key features:
- Activated charcoal banding applied at 300 lb/A in a 2-inch band over crop rows
- Herbicide application of Fierce EZ (flumioxazin plus pyroxasulfone) post-seeding
- Utilizes existing grass seed production techniques for brassica crops
- Planned studies to evaluate efficacy include phytotoxicity scoring, emergence counts, plant height measurements, and seed yield assessments
- Weed control is assessed by species to ensure comprehensive management
Technology readiness level
This technology is at a readiness level of 9, indicating that it has been fully validated and is ready for deployment in real-world agricultural settings. Further studies are planned to support registration and optimize application techniques for specific brassica varieties.
About Oregon State University
Oregon State University is a comprehensive public research university and Oregon’s land‑grant institution, with a main campus in Corvallis and a statewide footprint. Industry partners tap a statewide Extension network and county offices to pilot and scale solutions with communities and companies across Oregon. A coastal marine science campus in Newport anchors ocean research and provides access to open‑ocean wave‑energy test ranges and grid‑connected infrastructure under development nearby, enabling sea‑to‑shore prototyping. Field stations and university‑managed research forests support long‑term trials and product validation in real‑world environments. A dedicated technology transfer office and the OSU Advantage programs—including the Advantage Accelerator—streamline IP, licensing, startup formation, and industry agreements.
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