Archive Nut, Prune and Olive Programs

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May 2025Archived

 

Field picture submitted by Elizabeth Fichtner

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UC Cooperative Extension Napa County: Page

Newsletters

4-H Youth Development Program: 4-H events and activities European Grapevine Moth: Latest information on European Grapevine Moth for Napa County Vineyard Mealybugs: Grape and vine mealybug in Napa County vineyards Vineyard Views & Events : Viticulture and Weed Science Updates from Napa Napa Weed Mana...
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UC Cooperative Extension Napa County: Page

Napa Valley Vineyard Technical Group

You can now join online! Please fill out this online form to join. Visit our EventBrite Event page page for future events. The Napa Valley Vineyard Technical Group (Vit Tech) is a non-profit association of vineyardists.
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UC Cooperative Extension Napa County: Page

Aquatic Weeds

This is the time of year when I start to get a lot of calls about something growing in ponds. Actually it is growing on the pond. This weed is Mosquitofern or Azolla. Azolla is often confused with duckweed but it is actually a fern.
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UC Cooperative Extension Napa County: Page

Presentations

2009 Research Trials - Managing Weeds in Napa County - Links coming soon! Effect weather may have had on weed control Identification and biology of some common weeds Results of Herbicide Trials...
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UC Cooperative Extension Napa County: Page

Herbicide Resistance

FREE PUBLICATION from the IPM Web site UC ANR publication #8012 Herbicide Resistance: Definition & Management Strategies HERBICIDE RESISTANCE INFORMATION Most recent information on herbicide resistance information.
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UC Cooperative Extension Napa County: Page

Weed Science Resources

UC Davis Weed Research and Information Center Weed ID tool, weed susceptibility charts, yellow starthistle research and other weed related links UC Integrated Pest Management UC Davis and UC Riverside Nematology Database UC Davis Department of Entomology UC ANR PublicationsCalifornia Department of P...
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