News

Authors: Thomas Henick-Kling and Jim Harbertson Late Ripening: Recalibration of Fruit Ripeness Numbers The delayed ripening we see in many Washington state vineyards poses some challenges. With good will from […]

By Thomas Henick-Kling and Jim Harbertson Dealing with Mold-infected Fruit Powdery Mildew and Botrytis infected fruit brings with it a large population of unwanted organisms such as yeast, mold and bacteria. Some of […]

By Jim Harbertson and Thomas Henick-Kling An Early Frost Might Force Harvest of Some Under-Ripe Fruit Here are some notes on what can be done with fruit that has to be […]

By Jim Harbertson, Associate Professor of Enology Know Your Phenolics! This primer will provide a short background on the principal phenolic components found in grapes and wine. The most basic phenolic compound […]

By Thomas Henick-Kling Professor of Enology A note of precaution to using cold soak The recent rains and earlier powdery mildew infections have caused damage to some grapes, the grape […]

WSU Grape Cold Hardiness Program By Markus Keller, WSU Prosser The ‘Thanksgiving freeze’ on November 24, 2010, caused damage to buds and vines that varied widely among varieties and vineyard […]

2011 Year in Review: Where was Summer? By Michelle Moyer WSU Prosser If grape production was easy, we wouldn’t define wine by the vintage. This year presented WA viticulturists with […]

2011 Overview: The Silver Lining in Summer Clouds By Michelle Moyer (Viticulture); Federico Casassa, PhD Candidate, and Jim Harberston (Enology), WSU Prosser From the Vineyard As the AgWeatherNet reports roll […]

Dormant Lime Sulfur in Vineyard Management By Michelle Moyer and David James, WSU Prosser When it comes to pest management, there are many decisions that need to be balanced against […]

Biological Control Enhanced by Native Plants By David James, WSU Prosser For the past two seasons, entomologists at WSU-IAREC, with support from the Washington wine grape industry, Western Sustainable Agriculture, […]