Pierce's Disease
Research Updates

piercesdisease.cdfa.ca.gov

What is Pierce's Disease?

Pierce's Disease is a bacterial infection, which is spread by bugs that feed on grapevines, particularly the "glassy winged sharpshooter." Grapevines that become infected with PD can quickly become sick and die.

glassy-winged sharpshooter

August 2011 news archives

  • Temecula Valley wines a work in progress
    Los Angeles Times August 26, 2011

    Temecula Valley wines a work in progress Los Angeles Times However, setting aside Pierces disease and the prevailing party atmosphere, challenges remain. Problems with hygiene, brettanomyces and vola ...


  • Is this your year to go 'native?'
    Napa Valley Register August 24, 2011

    Is this your year to go native? Napa Valley Register To prevent the spread of the glassy-winged sharpshooter , purchase your plants from Napa County nurseries. The Napa County Agriculture Department ...


  • Up The Valley: What happens in St. Helena
    Napa Valley Register August 18, 2011

    Some are hard to fathom: Forestville, for example, is called the “Poison Oak Capital of the World,” which would be like calling ourselves the “Home of the Glassy-Winged Sharpshooter .” I've always th ...


  • Ag chief focuses on essentials
    Modesto Bee August 17, 2011

    The cuts included all of the state support for county fairs and some of the effort against pests such as the red imported fire ant and the glassy-winged sharpshooter . "There are a lot of programs th ...


  • State ag chief sees waning support
    Stockton Record August 17, 2011

    General-fund support has been slashed for programs to battle the red, imported fire ant, glassy-winged sharpshooter and Pierce's disease, for example. Many such programs now rely on funds from the US ...


  • Ag chief focuses on essentials
    Modesto Bee August 16, 2011

    Modesto Bee Ag chief focuses on essentials Modesto Bee The cuts included all of the state support for county fairs and some of the effort against pests such as the red imported fire ant and the glass ...


  • Joshua Siskin: Attract butterflies to your garden with the right plants
    Los Angeles Daily News August 13, 2011

    To control oleander leaf scorch, a bacterial disease that is spread by the glassy-winged sharpshooter insect, radical oleander pruning is recommended. According to Ted Batkin, a plant disease expert, ...


  • Texas grape crop staying sweet
    Sulphur Springs Country World News August 08, 2011

    One thing that's not a problem for most vineyards during the drought -- and this might be the best news of all for vineyards -- is that the glassy winged sharpshooter , which carries the dreaded Pier ...


  • SJ County ag profits drop again
    Modesto Bee August 06, 2011

    Hudson spent time discussing with the board three pests — the light brown apple moth, European grapevine moth and glassy-winged sharpshooter — that, if left uncontrolled, could decimate the county's ...


  • Stanislaus farming, child support programs pay off
    Modesto Bee August 03, 2011

    They found one glassy-winged sharpshooter and one case of red imported fire ants. One in four children in the United States receives child support. Four in 10 children in the United States don't live ...


  • County ag value dips
    Stockton Record August 03, 2011

    Hudson spent time discussing three pests in particular with the board - the light brown apple moth, European grapevine moth and glassy-winged sharpshooter - that, if left uncontrolled, could decimate ...


  • Stanislaus farming, child support programs pay off
    Modesto Bee August 02, 2011

    Stanislaus farming, child support programs pay off Modesto Bee They found one glassy-winged sharpshooter and one case of red imported fire ants. One in four children in the United States receives chi ...