HOW TO AVOID COMMON ERRORS ASSOCIATED WITH AERIAL VIGOR MAPPING

March 7th, 2017
HOW TO AVOID COMMON ERRORS ASSOCIATED WITH AERIAL VIGOR MAPPING

  The use of aerial imaging to measure vine vigor is nothing new in the wine industry. In fact, most vineyard owners and managers currently utilize some form of vigor mapping in their vineyards to aid their decision making. Long considered the industry standard, the most common measure of vine vigor has been the Normalized Difference Vegetation Index, or NDVI. What many do not know, however, is that NDVI was…

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BIOLOGICAL CONTROL OF VINE MEALYBUG

February 6th, 2017
BIOLOGICAL CONTROL OF VINE MEALYBUG

For years I have attended educational meetings in which the vine mealybug (Planococcus ficus) was portrayed as some kind of super-pest. I was told why it was so much worse than the grape mealybug and also why biological control would not work on it. In fact, I was told this as recently as last month by an entomologist with a Ph.D. from U.C. Berkeley. I believed it, more or less….

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NITROGEN FERTILIZER FORMS

January 4th, 2017
NITROGEN FERTILIZER FORMS

by Stan Grant, Viticulturist It is a fact: chemistry is fundamental to life. It is also a primary means to directly influence grapevines, especially their mineral nutrition. Thankfully, our modern mineral nutrient toolbox includes a wide array of chemical tools for this purpose. To use them appropriately and effectively, we need to know about their characteristics and their behaviors in vineyards. In this article, we will focus on attributes and…

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CRUSH DISTRICT 11 VINEYARD COST STUDY RELEASED

December 28th, 2016
CRUSH DISTRICT 11 VINEYARD COST STUDY RELEASED

We are VERY happy to report that UC Davis has released the 2016 vineyard cost study for Crush District 11 Cabernet Sauvignon. Click here for the study: UC Davis 2016 Crush District 11 Vineyard Cost Study The 23-page study represents the efforts of: Paul S. Verdegaal, Farm Advisor, UC Cooperative Extension, San Joaquin County Daniel A. Sumner, Director, UC Agricultural Issues Center, Professor, Department of Agricultural and Resource Economics, UC Davis Jeremy Murdock,…

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2017 GREEN MEDAL AWARD APPLICATIONS ARE OPEN

December 19th, 2016
2017 GREEN MEDAL AWARD APPLICATIONS ARE OPEN

Third Annual California Green Medal: Sustainable Winegrowing Leadership Awards California vineyards and wineries are encouraged to apply for the 2017 California Green Medal: Sustainable Winegrowing Leadership Awards. Applications are being accepted at www.greenmedal.org now through February 3rd, 2017. The California Green Medal is presented by California Sustainable Winegrowing Alliance, California Association of Winegrape Growers, Wine Institute, Lodi Winegrape Commission, Napa Valley Vintners, Sonoma County Winegrowers and The Vineyard Team. A number…

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PAUL’S POST-HARVEST CHECKLIST

December 8th, 2016
PAUL’S POST-HARVEST CHECKLIST

It’s of utmost importance to keep busy during the winter months, and luckily there are plenty of projects needing labor year-round!   Below is a post-harvest checklist from Paul Verdegaal (San Joaquin County Farm Advisor, UCCE) for 2016: Irrigation system repairs Irrigation until rains (If rains stop for extended time, supplemental winter irrigation is helpful; especially if irrigation is timed just before next rain.) No Nitrogen (Potassium is OK) Identify weeds…

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LWC CELEBRATES 25 YEARS

November 17th, 2016
LWC CELEBRATES 25 YEARS

Lodi Winegrape Commission Celebrates its 25th Anniversary The last five years have seen a tremendous swell of support and recognition for the Lodi wine region, most notable being the receipt of the coveted title of 2015 Wine Region of the Year from Wine Enthusiast Magazine. This success could not have happened, however, without the dedication and vision of the region’s winegrowers and the grower-established and funded Lodi Winegrape Commission. Lodi’s…

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CDFA AWARDS ZINFANDEL GRANT

November 2nd, 2016
CDFA AWARDS ZINFANDEL GRANT

Specialty Crop Block Grant from CDFA Awarded to Zinfandel Advocates & Producers for Zinfandel: Stories of America’s Heritage Grape The Association of Zinfandel Advocates & Producers (ZAP) recently announced the award of a Specialty Crop Block Grant in the amount of $256,291 from The California Department of Food and Agriculture (CDFA).  The funds awarded during the next two years will support the association’s launch of a campaign called:  “Zinfandel: Stories of America’s…

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SELECTING A ROOTSTOCK FOR A WINEGRAPE VINEYARD

October 7th, 2016
SELECTING A ROOTSTOCK FOR A WINEGRAPE VINEYARD

For over 130 years, rootstocks have been available to protect grapevines form soilborne pests. From the beginning, rootstocks have displayed varying influences on the composite grapevine created by grafting. These include influences on grapevine growth, fruit yield, and other viticulturally important vine attributes. During this time, researchers have chronicled many rootstock influences in field trials and controlled environments, and the published record of their findings is extensive (see selected works…

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COMPARATIVE WINE GROWING CLIMATOLOGY

September 29th, 2016
COMPARATIVE WINE GROWING CLIMATOLOGY

Climate is of paramount importance to winegrape growing. The seasonal pattern of sunlight, temperature, rainfall, and humidity influences both above ground and below ground vineyard environments. It sets the length of growing seasons and influences the likelihood of cold damage. Climate is the principle driver of seasonal vine growth and development, including fruit ripening and the development of sensory characteristics in grapes. Almost as important, climate affects the incidence, life…

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Event Calendar
  1. Irrigation Efficiency Field Day

    June 27 @ 8:00 am - 10:30 am
  2. Lodi Rules Committee Mtg

    June 30 @ 12:00 pm - 2:00 pm