Weed control and identification
FIELD TRIALS – WEED CONTROL
Timing of herbicide applications
Effect of leaf litter on the efficacy of treatments
New organic herbicides with organic growers
Please contact UC Master Gardeners of Napa County They are available to assist homeowners with weed questions.
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.
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
Order now! - Weed Control in Natural Areas in the Western United States
Weed Science Calendar