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May 2025Archived

 

Field picture submitted by Elizabeth Fichtner

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UC Cooperative Extension Sonoma County: Page

Weather & Climate

California Drought Monitor by US Drought Monitor. Water supply levels monitored by Sonoma Water. Statewide Daily Reservoir Storage Summary by CA Dept of Water Resources.7 Day Forecast by National Weather Service of National Oceanic and Atmospheric Administration (NOAA) for Santa Rosa.
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UC Cooperative Extension Sonoma County: Page

Sonoma County 4-H Events and Activities

Achievement Night (October) Awards, recognition, and other achievement are recognized. Presentation Day (February) 4-H youth members deliver their presentation and receive feedback from evaluators.
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UC Cooperative Extension Sonoma County: Page

Weather and Climate Data

Sonoma County Weather and Climate ResourcesFor information on heat safety and awareness please visit the County of Sonoma's page on: Preparing for Extreme HeatThe California Irrigation Management Information System (CIMIS) is a great resource for localized climate data across California.
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UC Cooperative Extension Sonoma County: Page

Mealybug Control Trials

UCCE Sonoma Mealybug Control Trial Reports 2008 OMRI Grape Mealybug Control2008 Grape Mealybug Control2008 Systemic Vine Mealybug Control2007 Grape Mealybug Venom Trial2007 Grape Mealybug Control2009 Vine Mealybug ControlReducing the Spread of Vine Mealybug Managing Vine Mealybug in Winery Waste (Ar...
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UC Cooperative Extension Sonoma County: Page

GWSS Identification

Adult Glassy-winged Sharpshooter Fifth-instar (left) and Adult (right) Glassy-winged Sharpshooter Approximately 1/2 inch (11 to 13 mm) long. Body shape is parallel-sided with a pointed head. Click on images to enlarge Wings are partly transparent with reddish veins, folded flat over the body.
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UC Cooperative Extension Sonoma County: Page

GWSS Look-a-likes

Look-A-Like Click on images to enlarge Similar Characteristics Distinguishing Characteristics Cicada adult Clear membraneous wings. Piercing, sucking mouthparts. Wings folded at an angle, forming a roof or tent over the body. Larger in size, 1 to 2 inches long.
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UC Cooperative Extension Sonoma County: Page

European Grapevine Moth

European Grapevine Moth, Lobesia botrana Biology 2013 Degree-Day Table - April 4 European Grapevine Moth: a New Pest of Grapes in California (CAPCA Adviser Magazine July 2010) European Grapevine Moth in Napa Valley Vineyards (Practical Winery & Vineyard, Mar/Apr 2010) European Grapevine Moth Grape D...
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