Regulated Deficit Irrigation – Part I

July 28th, 2014
Regulated Deficit Irrigation – Part I

Deficit irrigation refers to the practice of applying less than the full amount of water a vineyard can use.  The objective of deficit irrigation is to induce and sustain moderate water stress that arrests shoot growth and limits fruit growth without impacting foliage health and sugar accumulation.  This is possible because shoot growth and berry growth are more sensitive to water stress than sugar accumulation.  Deficit irrigation reduces irrigation costs…

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In the Vineyard with Paul Verdegaal: A Dry Year and Pest Update

July 21st, 2014
In the Vineyard with Paul Verdegaal: A Dry Year and Pest Update

The official end of the rainfall year shows a total of 10.2 inches of rain for 2013-14 – the driest season in the last 12 years and only slightly ahead of the 1976-77 drought. Fortunately, the last significant rain occurred with perfect timing and in a heavy event that mitigated the very dry soil conditions for local vineyards. Enough rain fell just before budbreak to provide for good growth and…

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The Value of Powdery Mildew Resistance in Grapes: Evidence from California

July 15th, 2014
The Value of Powdery Mildew Resistance in Grapes: Evidence from California

Powdery mildew (PM) is a fungal disease that can damage many crops. On most plants, PM appears as white, powdery spots on leaves, shoots, flowers or fruit, which if untreated, can spread over large areas of the leaves and stems and cause reduced yields and lower fruit quality. Grape PM, Erisiphe necator, is the most prevalent leaf-infecting disease for California grapes. Across the state, it accounts for 74% of grape…

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Global Wine Market Update from the Ciatti Company

July 7th, 2014
Global Wine Market Update from the Ciatti Company

Updated reports are coming in on harvests around the world. The government projections in Argentina have changed dramatically over the past month. Earlier crop reports had projected a 30% decline in volume, but new reports now estimate only a 6% decline from the previous year. In Italy, an updated harvest report now shows that they had a much larger than previously reported crop in 2013, and now holds the title…

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Event Calendar
  1. EXECUTIVE COMMITTEE MEETING

    September 28 @ 1:00 pm - 2:00 pm
  2. CD11 LODI PCA NETWORK BREAKFAST

    October 3 @ 7:30 am - 9:00 am