Weed Science
The Weed Science program, based out of the University of California Cooperative Extension- Napa County office, holds a wealth of weed related information and is a must visit if you are looking to learn more about control tactics or identification. You can also find some important links below:
UC Weed Science Blog
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New Product Bulletin :: Loyant® CA
Loyant® CA Section 2(ee) Recommendation Bulletin for Control of Cattail in Rice A recommendation bulletin has been released for florpyrauxifen-benzyl (Loyant® CA, Corteva Agriscience LLC,...
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Frequent mowing puts poisonous weed into survival mode
Pair of studies offers evidence into "superweed's" defensive tactics, strategy FAYETTEVILLE, Ark. — A study of the effects of mowing on a common weed has found that what doesn't kill...
Weed Resources
- Weed Research & Information Center (UC WeedRIC)
- Weed ID Tool
- Cal-IPC: California Invasive Plant Council
- Herbicide Symptoms - UC IPM
- Western Society of Weed Science
- Weed Science Society of America
- California Weed Science Society
- California Department of Pesticide Regulation
- California Department of Food and Agriculture Integrated Pest Control (IPC)
![Photo of John A Roncoroni](https://ucanr.edu/DIRPhotos/3065.jpg)
John A Roncoroni
Title: Weed Science Farm Advisor, Emeritus
Specialty: Weed Control and Vegetation Management in Perennial Crops, Covercrops and Aquatic Weed Control
Address:
UC Cooperative Extension
1710 Soscol Avenue
Suite 4
Napa, CA 94559-1315
Phone: 707-253-4221
Email: jaroncoroni@ucanr.edu
Title: Weed Science Farm Advisor, Emeritus
Specialty: Weed Control and Vegetation Management in Perennial Crops, Covercrops and Aquatic Weed Control
Address:
UC Cooperative Extension
1710 Soscol Avenue
Suite 4
Napa, CA 94559-1315
Phone: 707-253-4221
Email: jaroncoroni@ucanr.edu
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