Weed Science
Program Focus
PERENNIAL CROPS
Weed control and identification
Vegetation management
Covercrop information
FIELD TRIALS – WEED CONTROL
Timing of herbicide applications
Effect of leaf litter on the efficacy of treatments
New organic herbicides with organic growers
Weed Control - North Coast Video
John Roncoroni
UC Weed Science Farm Advisor
Addresses Weed Control in the North Coast
From American Vineyard Magazine
Questions?
If you have a question or a concern related to weed management, vineyard or orchard floor management, or need assistance in the identification of a weed species, please call or e-mail me.
UC Master Gardeners of Napa County are available to assist homeowners with weed questions.
Newsletters
Napa Weed Management Area Newsletters
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
Wines & Vines Article - 7/22/14
UC Weed Science Farm Advisor, John Roncoroni details results of vineyard studies in the current issue of Wines & Vines. Read the article, "The Efficacy of Weed Killers" written by Paul Franson. For additional information contact John Roncoroni at jaroncoroni@ucanr.edu.
2013 Weed Control Trial
Read the test results of a 22-treatment herbicide weed control trial conducted in Napa County in 2013.
New Weed Management Book
Weed Science Calendar
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