Coffee Shop Blog
Ciatti Global Market Update – August 2014
With tanks full around the world, we decided to offer a brief respite from the detailed version of the Ciatti Global Market Update. If you are reading this in the Southern Hemisphere we hope you are settling in for a nice winter as the wines finish and ready...
Red Blotch Disease and the Virus Status of CDFA-certified Grapevine Stock
The Discovery of Grapevine Red Blotch-associated Virus (GRBaV, Red Blotch) in 2012 focused the industry on Red Blotch disease—an unknown condition with recognizable symptoms that growers had been aware of for some time. GRBaV has been found in new planting materials...
Late-season Mite Infestations and Management
Every year in Lodi there are a few vineyards that have a late-season infestation of spider mites, especially the Pacific spider mite. By late-season I mean late August or September. Typically the grower’s attention during that time period is shifting to harvest and...
How California Farms Measure Up in the 2012 Census of Agriculture: Smaller in Size with Higher Value of Production
The 2012 Census of Agriculture was released in early May 2014. Average farm size continues to grow in terms of acreage and market value of production. However, this trend is not universal across crop category or geographic region. For the crop category of Land Used...
Regulated Deficit Irrigation – Part II
Part I of this series presented basic concepts of regulated deficit irrigation (RDI), early season soil moisture management, and the vine component of the soil-vine-atmosphere moisture continuum. In this posting, we will explore the other components of the continuum...
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...
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...
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...
 
					