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To request a back issue of newsletters from 2018 and earlier, please contact Brown Miller Communications by phone at (925) 370-9777 or send a request via email.

2018

• Fall Articles

  • New Field Trials Planted in Northern California

  • Update on Traditional Breeding of PD Resistance into Winegrapes

  • Functional Characterization of pilG, a Key Virulence Gene, and Evaluation of the Effects of Anti-Virulence Inhibitors on the Virulence of Xylella fastidiosa

  • Resistance to Grapevine Fanleaf Virus in Rootstocks

  • Timing of Field Transmission of Grapevine Red Blotch Virus

  • 2018 Pierce's Disease Research Symposium

• Summer Articles

  • PD/GWSS Board Funds 15 Research Projects

  • A Few Past and Current Research Projects

  • Mapping Pierce's Disease and Vector Populations in the Southern San Joaquin Valley and Developing a Dynamic Model to Assess Management Strategies

  • Quantifying Vine Mealybug Spatio-Temporal Dynamics: Assessing Invasion Risk to Refine Management Strategies

  • A Study on the Impact of Individual and Mixed Leafroll Infections on the Metabolism of Ripening Wingrape Berries

  • Cooperative Nursery Program is Key to Preventing the Spread of GWSS

• Spring Articles​

  • Foundation Plant Services Stepping Up Testing After Red Blotch Find

  • CDFA Statewide Survey and Detection Gears Up

  • Greenhouse Evaluation of Grapevine Microbial Endophytes and Fungal Natural Products for Control of PD

  • Insecticide Resistance in the Glassy-winged Sharpshooter: Using Historical Use Patterns to Inform Future Management Strategies

  • Assessing Effects of Seasonality on the Epidemiology of PD in the Southern San Joaquin Valley

  • New Officers for the PD/GWSS Board

• Winter Articles​

  • GWSS Area-Wide Program Update: Kern and Tulare Counties

  • Santa Clara County Free of GWSS for the First Time in 17 Years

  • Evaluating Potential Shifts in Pierce’s Disease Epidemiology

  • A Study on the Impact of Individual and Mixed Leafroll Infections on the Metabolism of Ripening Wingrape Berries

  • Quantifying Vine Mealybug Spatio-Temporal Dynamics: Assessing Invasion Risk to Refine Management Strategies

  • 2017 Pierce's Disease Research Progress Reports Available Online
     

2017

• Fall Articles

  • Isolated GWSS Finds Show Importance of Ongoing Vigilance

  • New Videos Added to the PD/GWSS Board Channel

  • High Throughput Live Cell Screen of Small Molecules Targeting the ToIC Efflux Pump of Xylella fastidiosa

  • Timing of Field Transmission of Grapevine Red Blotch-Associated Virus

  • Molecular Breeding Support for the Development of Pierce's Disease- Resistant Winegrapes

  • Governor Brown Signs State Budget With $5 Million Designated for PD Control Program

• Summer Articles

  • UC Davis Announces Pre-Release of Five New PD-Resistant Winegrape Cultivars

  • Researchers Gather to Find Solutions To Grapevine Viruses

  • Monitoring for Insecticide Resistance in the GWSS in California

  • The Riverside County GWSS Program in the Temecula Valley

  • Biology and Spread of Grapevine Red Blotch-Associated Virus

  • Proper Training Key to Success of the ATP Program

• Spring Articles

  • Modified Rootstocks Could Help Prevent PD

  • The Key to Stopping New GWSS Infestations in Uninfested Areas

  • Monitoring Glassy-Winged Sharpshooters and Pierce's Disease In Kern County, California

  • Searching for Potential Vectors of Grapevine Red Blotch-Associated Virus

  • Development of a Biological Control for Pierce's Disease

  • CDFA PD Control Program Nursery Stats for 2016

• Winter Articles​

  • Determining What 'Certified Plant Material' Means to Growers

  • New Logo for the PD/GWSS Board

  • Evaluation of Commercial Ant Baits as a Component of an Integrated Pest Management Program for Vine Mealybug

  • Assessing Pierce's Disease Spread in Grape Lines With Novel Defensive Traits

  • Management of Insecticide Resistance in Glassy-Winged Sharpshooter Populations Using Toxicological, Biochemical and Genomic Tools

  • From Phages to Mealybugs - There Was Much to Discuss During the 2016 PD Research Symposium 

​​

2016

• Fall Articles

  • North Coast PD Study Underway

  • EGVM Eradicated from California

  • Evaluation of Natural Products Isolated from Grapevine Fungal Endophytes for Control of PD

  • Brown Marmorated Stink Bug Risk and Impacts in Western Vineyards

  • Evaluation of Commercial Ant Baits as a Component of an Integrated Pest Management Program for Vine Mealybug

  • 2016 Pierce's Disease Research Symposium to Be Held in San Diego

• Summer Articles

  • PD/GWSS Board Gets a Taste of Wine Made From PD-Resistant Grapevines

  • PD Board Funding for PD and Other Research Projects

  • Transgenic Rootstock-Mediated Protection of Grapevine Scions by Single and Stacked DNA Constructs

  • Continued Field Evaluation of Diffusible Signal Factor Inducing Grape for Control of Pierce's Disease

  • Selective Disruption of Glassy-winged Sharpshooter Maturation and Reproduction by RNA Interference

  • State Bill Introduced to Boost Funding for PD Control Program

• Spring Articles

  • Recently Identified Enzyme May Hold New Insight into Pierce's Disease Grapevine Damage

  • GWSS Eggs Found on Nursery Shipments in Napa and Sonoma

  • Substrate-Borne Vibrational Signals in Intraspecific Communication of the Glassy-winged Sharpshooter

  • Field Evaluation of Grape Plants Expression Potential Protective DNA Sequences Effective Against Pierce's Disease

  • Biological Control of Pierce's Disease of Grapevines in the UC Riverside Vineyard With a Benign Strain of Xylella fastidiosa

  • Nursery Rejections Down in 2015 - Plant Inspections are Working

• Winter Articles

  • What Winegrape Growers Should Know About Red Blotch

  • PD-Resistant Vines Becoming a First Line of Defense Against PD

  • The Riverside County Glassy-winged Sharpshooter Program in the Temecula Valley

  • Whole Genome Sequence Analyses of Xylella fastidiosa Pierce's Disease Strains From Different Geographical Regions

  • Characterization of Different California Strains of Xylella fastidiosa by Fatty Acid Methyl Ester Analysis

2015

• Fall Articles

  • European Grapevine Moth Update

  • PD/GWSS Board Travels to Bakersfield - Concerned About Increases in PD

  • Blocking Xylella fastidiosa Transmission

  • Map-Based Identification and Positional Cloning of Xylella fastidiosa Resistant Genes from Known Souces of Pierce's Disease Resistance in Grapes

  • Management of Insecticide Resistance in Glassy-Winged Sharpshooter Populations Using Toxicological, Biochemical and Genomic Tools

  • Researchers Determined to Discover Why Growers Are Seeing More PD

• Summer Articles

  • Pierce's Disease - The Big Picture

  • PD/GWSS Board Recommends Funding Eleven Research Projects

  • Vector Inoculation of Xylella fastidiosa: New Evidence Suggests Sharpshooters Can Be "Flying Syringes"

  • Defining the Role of Secreted Virulence Proteins LesA and PrtA in the Pathobiology of Xylella and in the Development of Pierce's Disease

  • Elucidating the Process of Cell-Cell Communication in Xylella fastidiosa to Achieve Pierce's Disease Control by Pathogen Confusion

  • It's Official - PD/GWSS Referendum Passes

• Spring Articles

  • Breaking the GWSS Sound Barrier

  • Tasting the Future

  • Identification of a New Virulence Factor Required for Pierce's Disease and Its Utility in Development of a Biological Control

  • Role of Cold Shock Proteins in Xylella fastidiosa Virulence

  • Transgenic Rootstock-Mediated Protection of Grapevine Scions by Dual Stacked DNA Constructs

  • Is the PD/GWSS Referendum Over Yet?

• Winter Articles

  • Is There an Insect Vector for Red Blotch?

  • Researchers Present Their Work at the PD Research Symposium

  • Substrate-Borne Vibrational Signals in Intraspecific Communication of the Glassy-Winged Sharpshooter

  • Elucidating the Process of Cell-to-Cell Communication in Xylella fastidiosa to Achieve Pierce's Disease Control by Pathogen Confusion

  • Monitoring for Insecticide Resistance in the Glassy-Winged Sharpshooter in California

  • The Vote Is Coming! The Vote Is Coming!
     

2014

• Fall Articles

  • Governor Signs PD/GWSS Bill

  • Long-Time PD Researcher Bruce Kirkpatrick Retires

  • Scientists Decipher Stink Bug Aggregation Pheromone

  • Anterior Foregut Microbiota of the GWSS Explored Using Deep 16S rRNA Gene Sequencing From Individual Insects

  • Identification of a New Virulence Factor Required for Pierce's Disease and Its Utility in Development of a Biological Control

  • Characterization of Xf Genes Required for Pathogenicity

  • Tastings of Wine Made From PD-Resistant Winegrapes

• Summer Articles​

  • PD/GWSS Board Designates Two Pests and One Disease as Threats to California's Vineyards

  • New and Continuing Research Projects Get Funded

  • Some Facts on PD/GWSS Board's Newly Designated Disease & Pests

  • The Riverside County Glassy-winged Sharpshooter Program in the Temecula Valley

  • Rootstock Effects on the Progression of PD Symptom Development and Possible Mechanisms

  • Optimizing Grape Rootstock Production and Export of Inhibitors of Xf Polygalacturonase Activity

  • Inspectors Find GWSS Eggs in Nursery Shipments

• Spring Articles

  • Update on Field Trials of PD-Resistant Grapevines

  • Pierce's Disease Legislation Introduced

  • Board Hires Researcher Liaison to Advise on Research Activities

  • Molecular and Functional Characterization of the Putative Xylella fastidiosa Resistance Gene(s) From Vitis arizonica

  • Greenhouse Evaluation of Grapevine Fungal Endophytes and Fungal Natural Products Antagonistic to Xylella fastidiosa for Control of PD

  • Suitability of Fertilized and Unfertilized Eggs of the Glassy-winged Sharpshooter for the Egg Parasitoid Gonatocerus morrilli

  • Keeping GWSS Out of Your Vineyards

• Winter Articles

  • Research Breakthroughs Reported During 2013 PD Research Symposium

  • The Eradication of GWSS in SLO County

  • Virulent Phages of Xylella fastidiosa: Phophylactic and Therapeutic Evaluation

  • Blocking Xylella fastidiosa Transmission

  • Continued Field Evaluation of Grapevines Producing Diffusible Signal Factor for Control of PD

  • Getting Solutions to PD from the Lab to Growers​
     

2013

• Fall Articles

  • PD-Resistant Winegrapes Get Tested in the Eye of the Storm

  • GWSS Area-Wide Treatment Program Update: Kern and Tulare Counties

  • Final Report - Enhancing Control of Pierce's Disease by Augmenting Pathogen Signal Molecules

  • Final Report - Vouchering Specimens of Egg Parasitoids of the GWSS Collected by the CDFA Pierce's Disease Biological Control Program in California and Texas A&M in Texas

  • Biological Control of Pierce's Disease of Grapevine with EB92-1, a Benign Strain of Xylella fastidiosa

  • Vineyard Tour and Wine Tasting with Dr. Andy Walker

• Summer Articles

  • Out of Nowhere Comes Red Blotch

  • CDFA's PD Control Program Meeting the Changes and Challenges

  • New Video - Fighting the GWSS Infestation in Fresno

  • Development of a Grape Tissue Culture and Transformation Platform for the California Grape Research Community

  • UPDATE - Field Evaluation of Grafted Grapevine Lines Expressing Pear Polygalacturonase-Inhibiting Proteins

  • Identification and Utilization of Cold Temperature Induced Grapevine Metabolites to Manage Pierce's Disease

  • GWSS Nursery Subcommittee Helps Keep Industry Up-to-Date

• Spring Articles

  • Designating a Winegrape Pest or Disease Is a Deliberative Process

  • Fighting the GWSS Infestation in the City of Fresno

  • New Research Video Online

  • The Oxidative Stress Response: Identifying Proteins Critical for Xylella fastidiosa Survival in Grapevines

  • Genetic Mapping of Xylella Fastidiosa Resistant Genes in Grape Germplasm from the Southern United States

  • Field Evaluation of Grape Plants Expressing PR1 and UT456 Transgenic DNA Sequences for Protection Against Pierce's Disease

  • 2012 Nursery Program Review

• Winter Articles

  • RSAP Helps to Guide Board's Research

  • EGVM Quarantine Area Reduced

  • GWSS Biological Control Update

  • Greenhouse Evaluation of Grapevine Fungal Endophytes and Fungal Natural Products Antagonistic to Xylella fastidiosa for Control of PD

  • Development and Use of a Recombinant Virus for Controlling GWSS

  • Blocking Xylella fastidiosa Transmission

  • Virginia Creeper Leafhopper is Latest Vineyard Pest to Invade California Vineyards