Weeds
Please note this website is undergoing revisions. Readers are cautioned that some pest control recommendations may be inappropriate in West Virginia, and county Extension personnel should be consulted before control measures are undertaken.
Weed Identification
- Weed Identification Guide (Virginia Tech)
- Weed Photo Gallery (Weed Science Society of America)
- Weed Seedling Identification (Iowa State)
- Common Weeds of No-till Cropping Systems (Purdue)
Weed Management
- Pasture Weed Control Update (PDF)
- Weed Control Program Necessary to Improve Corn Yield (PDF)
- Update on ALS-Resistant Johnson grass in Hardy County, West Virginia, 2004 (PDF)
- Various Brush-control Herbicides Require Different Application Methods (PDF)
- Managing Herbicide-Resistant Weeds (PDF)
- Control of Common Pasture and Hayfield Weeds in Virginia and West Virginia (Virginia Tech)
- West Virginia Problem Weeds: Research Summary (PDF)
- Genetic Engineering - Part 1: Basic Principles
- Genetic Engineering - Part 2: Pros and Cons of Genetically Engineered Crops
- Genetic Engineering - Part 3: Current and Future Directions of Transgenic Crops
- Drought and Chemical Weed Control
- Drought, Herbicide Residues, and Fall Herbicide Application
- Weed Control Guide for Ohio Field Crops (Ohio State)
- Cultivation and Weed Management (Iowa State)
Information on Specific Weeds
- Multiflora Rose
- Horsenettle Management in West Virginia Pastures and Hayfields
- Jimsonweed Poisoning in Humans and Animals
Herbicide Information
- Herbicide Manual for Ag Professionals (Iowa State)
- Weed Management Websites with Links to Herbicide Information
Herbicide Training Modules
Weed Science Society of American Resource for Herbicide Resistance Management
-
Final Lesson 1: Current Status of Herbicide Resistance in Weeds
(PPT) -
Final Lesson 2: How Herbicides Work
(PPT) -
Final Lesson 3: What is Herbicide Resistance
(PPT) -
Final Lesson 4: Scouting Application and Confirming Resistance
(PPT) -
Final Lesson 5: Principles of Managing Herbicide Resistance
(PPT)

