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.

Browse by month of 2010

News archives for 2010

  • Cold Benefits Local Wine Growers
    WXII12.com on January 5, 2010

    Cold Benefits Local Wine Growers WXII12.com ... parts of the grasshopper, and it can hop from plants to the vine and spread disease that's prevalent in North Carolina that's called Pierce's disease...


  • Texas wine-grape growers will cluster for Feb. 12 Gulf Coast field day
    Media Newswire on January 4, 2010

    (press release) Additional presentations will address grape pest management, irrigation management and an update on Pierce's disease research. The program's keynote speaker...


  • Events that shaped our county, our lives
    Bakersfield Californian on January 2, 2010

    The glassy-winged sharpshooter infested grapevines, Kern's No. 1 crop in 2000. The pests spread Pierce's disease, which choked the plants of nutrients. ... and more...


  • Decade left its mark on county
    Visalia Times-Delta on January 1, 2010

    ... Commissioner's Office announced it would spend $700000 during the next two years on a detection program to combat the glassy-winged sharpshooter . ... and more...


  • Interest in grapes on the rise
    Victoria Advocate on January 5, 2010

    Additional presentations will address grape pest management, irrigation management and an update on Pierce's disease research. A minimum of three continuing...


  • Water supply update – Wednesday
    Highland Radio on January 20, 2010

    There is also leakage in the Aughnagaddy GWSS and suspected leakage in the Glenmaquin GWSS . Ongoing interruptions to supply in these areas can be expected...


  • Viticulture briefs
    Santa Rosa Press Democrat on January 24, 2010

    From grapevine flowering to Pierce's disease and gopher control, the UC Cooperative Extension Sonoma County event will touch on numerous topics critical to...


  • UF's EPI poised to fight tomorrow's diseases
    Gainesville Sun on January 26, 2010

    Plant diseases include citrus canker, blight and greening, sudden oak death, soybean rust, Pierce's disease of grapes. • Animal diseases that can affect ... and more...


  • Smooth Sailing
    Foothills Sun Gazette on February 10, 2010

    The biggest threat to Tulare County ag came in the form a miniscule pest known as the glassy-winged sharpshooter . The half-inch-long brown insect feeds on...


  • AGRICULTURE: State officials to set traps for European Grape Vine Moth
    North County Times on February 9, 2010

    Should the European grape vine moth, Medfly, glassy-winged sharpshooter or any of hundreds of other pests establish themselves in California,...


  • An Interview with one of Mexico's Premier Winemakers
    Mexidata.info on February 8, 2010

    It's one of the more resistant vines to Pierce's Disease , and can withstand (more than Merlot) salinity in the water and the soil...


  • Fort Worth winery and wine bar gets taste of success [Fort Worth Star-Telegram ...
    TMCnet on February 18, 2010

    That was sometimes hampered by fickle weather -- drought, freezes, hail -- and destructive Pierce's disease , which afflicts grapevines. ... and more...


  • Fort Worth winery and wine bar gets taste of success
    Fort Worth Star Telegram on February 19, 2010

    That was sometimes hampered by fickle weather -- drought, freezes, hail -- and destructive Pierce's disease , which afflicts grapevines...


  • San Mateo County's agricultural commissioner retires
    Santa Cruz Sentinel on February 19, 2010

    ... the county's crops and natural resources from invasive pests such as the light brown apple moth, the glassy-winged sharpshooter and Sudden Oak Death. ... and more...


  • Vintners, grape growers gathering
    KRQE on February 19, 2010

    ... pesticides registered for grapes in the Southwest, soil analysis, irrigation water analysis, Pierce's disease and nematode research...


  • USDA's improved raisin cultivars
    Western Farm Press on February 22, 2010

    In work on resistance to Pierce's disease , Ramming is collaborating with the University of California, Davis Viticulture Department, mainly with resistance...


  • Traps set statewide for destructive grapevine moth
    Fresno Bee on February 25, 2010

    The European grapevine moth could become the most serious threat since the glassy-winged sharpshooter arrived half a decade ago. That bug has the potential ... and more...


  • USDA Developing New Grape Cultivars
    PerishableNews on February 24, 2010

    (press release) ... natural drying on the vine without cane-cutting; resistance to powdery mildew; resistance to Pierce's disease ; and high anthocyanins content...


  • Ag officials target grape-eating pest
    Modesto Bee on February 27, 2010

    That insect has the potential to carry Pierce's disease , which wiped out 1000 acres of Temecula Valley vines. European grapevine moths feed on grapes,...


  • Moth discovery threatens Calif. winemakers
    AZ Central.com on February 25, 2010

    That bug has the potential to carry the vine-killing Pierce's disease , which wiped out about 1000 acres of vines in California's Temecula Valley. ... and more...


  • Grow local: A forum on food and local farming
    Napa Valley Register on March 1, 2010

    Heaven help us if a glassy winged sharpshooter /apple moth type bug gains a foothold. The goal of the story comments section at NapaValleyRegister.com is to ... and more...


  • San Mateo County's agricultural commissioner retires
    Contra Costa Times on February 19, 2010

    ... the county's crops and natural resources from invasive pests such as the light brown apple moth, the glassy-winged sharpshooter and Sudden Oak Death. ... and more...


  • San Mateo County's agricultural commissioner retires
    San Jose Mercury News on February 19, 2010

    ... the county's crops and natural resources from invasive pests such as the light brown apple moth, the glassy-winged sharpshooter and Sudden Oak Death. ... and more...


  • Wine: Offices proposed for old Healdsburg winery
    North Bay Business Journal on March 6, 2010

    There also will be panels on mealybugs, leafroll virus, existing threats such as Pierce's disease and potential threats. Registration costs $85 for members ... and more...


  • Viticulture briefs
    Santa Rosa Press Democrat on March 7, 2010

    ... be eligible to vote on the program, known as the California Department of Food and Agriculture Pierce's Disease and Glassy-Winged Sharpshooter Board...


  • Grape moth threatens Napa Valley
    Aiken Standard on March 11, 2010

    The European grapevine moth arrived a decade behind the glassy-winged sharpshooter , a potential carrier of Pierce's Disease. The sharpshooter wiped out 1000 ... and more...


  • Wine Country Fights Pesky European Invader
    NBC Bay Area on March 12, 2010

    The European grapevine moth arrived a decade behind the glassy-winged sharpshooter, a potential carrier of Pierce's Disease . The sharpshooter wiped out 1000 ... and more...


  • Researchers Get Up-Close Look at Pierce's Disease
    AZoNano.com on March 15, 2010

    The bacteria that causes Pierce's Disease, Xylella fastidiosa , colonizes a plant over a period of time causing it to weaken and die. ... and more...


  • Microscopic photography reveals bacteria destroying cell wall in wine grape vines
    Texas A&M University on March 15, 2010

    Microscopic photography reveals bacteria destroying cell wall in wine grape vines Texas A&M University The bacteria that causes Pierce's Disease, Xylella fastidiosa , colonizes a plant over a period ...


  • Wine Vine: Microscopic Photography Reveals Bacteria Destroying Grape Plant ...
    RedOrbit on March 15, 2010

    The bacteria that causes Pierce's Disease, Xylella fastidiosa , colonizes a plant over a period of time causing it to weaken and die. ... and more...


  • Electron Microscope Helps to Study Pierce's Disease-Infected Wine Grape Plant - AZoOptics.com
    AZoOptics.com on March 15, 2010

    (press release) The bacteria that causes Pierce's Disease, Xylella fastidiosa , colonizes a plant over a period of time causing it to weaken and die. ... and more...


  • How Bacteria Invade Grape Plants Pierce's Disease gets analyzed in detail
    Softpedia on March 16, 2010

    Once the microorganism Xylella fastidiosa is on the inside, it will immediately proceed to colonize the host plant entirely, until it eventually drains out ... and more...


  • Wine Vine: Microscopic photography reveals bacteria destroying grape plant ...
    Anahuac Progress on March 17, 2010

    ... one has been able to stop or reverse the effects of the bacteria that is injected into the vines by an insect known as the glassy-winged sharpshooter . ... and more...


  • Microscopic photography reveals bacteria destroying cell wall in wine grape vines
    Webnewswire.com on March 17, 2010

    ... one has been able to stop or reverse the effects of the bacteria that is injected into the vines by an insect known as the glassy-winged sharpshooter . ... and more...


  • San Mateo County's first female agricultural commissioner retires
    Santa Cruz Sentinel on March 17, 2010

    Then we had the glassy-winged sharpshooter and the light brown apple moth." The county is still under quarantine for the apple moth, a problem that ... and more...


  • Captured on film: bacteria destroying cell wall in wine grape vines
    R & D Magazine on March 16, 2010

    Captured on film: bacteria destroying cell wall in wine grape vines R & D Magazine ... one has been able to stop or reverse the effects of the bacteria that is injected into the vines by an insect kn...


  • Seen it through the grapevine
    LabnewsOnline on March 18, 2010

    Pierce's Disease is a serious threat to wineries: the bacterium Xyella fastidiosa – injected into the vines by an insect known as the glassy-winged...


  • A record crowd takes part in Napa Day at the Farm
    Napa Valley Register on March 20, 2010

    Kali Osawa, 7 of Irene Snow Elementary School, poses for a photograph with the glassy-winged sharpshooter at the 7th Annual Day at the Farm...


  • Winegrape growers face decision on pest
    Fresno Bee on March 20, 2010

    ... are being asked to vote on whether to continue funding the fight against one of the industry's most feared pests, the glassy-winged sharpshooter . ... and more...


  • Commentary: Upcoming vote could secure future of PD/GWSS program
    California Farm Bureau on March 23, 2010

    Today, the PD/ GWSS program is recognized as one of the most innovative and effective agricultural/governmental programs ever created...


  • Monkey Business in South Africa
    Wine Spectator on March 25, 2010

    • Napa and Sonoma fear the glassy-winged sharpshooter and the light-brown apple moth, but South Africa has an even bigger vineyard pest: baboons! ... and more...


  • San Mateo County's first female agricultural commissioner retires
    San Jose Mercury News on March 17, 2010

    Then we had the glassy-winged sharpshooter and the light brown apple moth." The county is still under quarantine for the apple moth, a problem that ... and more...


  • Viticulture briefs
    Santa Rosa Press Democrat on March 14, 2010

    ... winegrape growers and vintners for the upcoming referendum on an assessment to fund research on Pierce's disease and the glassy-winged sharpshooter...


  • Grape moth threatens Napa Valley growing method
    The Associated Press on March 11, 2010

    The European grapevine moth arrived a decade behind the glassy-winged sharpshooter, a potential carrier of Pierce's Disease . The sharpshooter wiped out 1000 ... and more...


  • Grapevine Moth Forces Quarantine for Part of Napa Valley
    New York Times on March 14, 2010

    ... the latest in a spate of invasive insects to hammer California's wine industry, including the light brown apple moth and the glassy-winged sharpshooter . ... and more...


  • PD Editorial: Wish lists
    Santa Rosa Press Democrat on April 1, 2010

    There are requests for Napa River flood control work, levee repairs, hospital renovations, Pierce's disease research and the like. ... and more...


  • PD Editorial: Vine pest
    Santa Rosa Press Democrat on April 3, 2010

    Growers also remain concerned about the glassy-winged sharpshooter . Because the European grapevine moth produces three generations in a growing season and...


  • Finding safer solutions for fending off ag pests
    Ventura County Star on April 3, 2010

    In March 2001, it was the glassy-winged sharpshooter that was going to devastate vineyards in California. But that, too, had a suspicious history involving...


  • Landry Vineyards is a winery to visit near you
    Monroe News Star on April 7, 2010

    The reason is Pierce's disease . This is a bacterium that attacks the xylem of a grapevine and prevents parts of the vine from getting the right amount of ... and more...


  • Viticulture briefs
    Santa Rosa Press Democrat on April 18, 2010

    The Pierce's Disease/ Glassy Winged Sharpshooter Referendum to extend the assessment that funds the vineyard pest containment and research program is under...


  • Moth discovery could devastate Solano's grape crop
    Vallejo Times-Herald on April 24, 2010

    "We have a battle-hardened staff from the successful eradications of glassy-winged sharpshooter , Japanese dodder and the Medfly. ... and more...


  • The agriculture office: heart of the valley
    Napa Valley Register on April 26, 2010

    ... fish-friendly farming, Pierce's disease and the glassy-winged sharpshooter , the vine mealybug, the European grapevine moth and more...


  • Threat to Solano wine industry hits home after discovery of moths
    Examiner.com on April 26, 2010

    "We have a battle-hardened staff from the successful eradications of glassy-winged sharpshooter , Japanese dodder and the Medfly," Allan said. ... and more...


  • US(CA): Moth discovery could devastate Solano's grape crop
    FreshPlaza on April 26, 2010

    "We have a battle-hardened staff from the successful eradications of glassy-winged sharpshooter , Japanese dodder and the Medfly. ... and more...


  • Viticulture briefs
    Santa Rosa Press Democrat on May 2, 2010

    ... cast ballots to validate the recent referendum on whether to continue funding for the state's Pierce's disease/ glassy-winged sharpshooter program...


  • Wine industry votes to extend pest research
    Ukiah Daily Journal on May 11, 2010

    ... program through which they tax themselves to pay for Pierce's Disease/ Glassy-Winged Sharpshooter control programs at the state's agriculture department. ... and more...


  • Grapegrowers vote to extend pest fight
    Napa Valley Register on May 11, 2010

    The glassy-winged sharpshooter , pictured here, is about a half inch in length at actual size. Winegrape growers statewide have agreed to extend a...


  • State Department selects UCR entomologist for science fellowship
    Highlander Newspaper on May 10, 2010

    Several of Miller's recent projects listed on his faculty website include the study of paratransgenesis, Pierce's Disease , pink bollworm control,...


  • Viticulture briefs
    Santa Rosa Press Democrat on May 9, 2010

    From winemaking terms such as "malolactic fermentation" and "punching the cap" to vineyard lingo like glassy-winged sharpshooter (chicharrita de alas...


  • Pierce's disease referendum passes
    Western Farm Press on May 14, 2010

    The ballots are in and the votes counted on whether or not to continue the Pierce's disease (PD) assessment paid by California wine grape growers. ... and more...


  • Napa Valley Fights to Control Pest
    Extranomical News on May 17, 2010

    The Napa Valley Vintners have struggled for years to keep the glassy winged sharpshooter , an insect that is capable of spreading a grapevine killing disease ... and more...


  • Viticulture briefs
    Santa Rosa Press Democrat on May 16, 2010

    ... to continue for another five years a self-assessment program that finances research toward a permanent solution to the Pierce's disease virus. ... and more...


  • Steele's Pacini Vineyard: Old Vines in Talmage
    Ukiah Daily Journal on May 30, 2010

    He discovered Pierce's Disease in the Santa Cruz vines which decimated them. Grahm eventually sold the Santa Cruz vineyard. Steve headed back to Mendocino ... and more...


  • Plan slashes Sonoma County budget by 7 percent
    Santa Rosa Press Democrat on June 1, 2010

    Reduced farm inspections for invasive pests such as the European grapevine moth, glassy-winged sharpshooter and light-brown apple moth,...


  • Search for Tulare County deputy ag commissioner difficult
    Visalia Times-Delta on June 4, 2010

    ... noxious-weed control, roadway-weed control, ground squirrel control, gathering crop statistics and the glassy-winged sharpshooter control program. ... and more...


  • A school rooted in citrus history
    Press-Enterprise on June 6, 2010

    The school's scientists also had a big hand in helping Temecula grape growers battle the glassy-winged sharpshooter . You can also thank the school's ... and more...


  • Wine Buzz: Spanish-English wine dictionary helps vintners, growers speak the ...
    Sacramento Bee on June 9, 2010

    In other words, how do you say " glassy winged sharpshooter " or "sulfur dioxide" in Spanish? Better consult the English/Spanish Dictionary...


  • California politics, and what we don't know
    Los Angeles Times on June 8, 2010

    ... in various districts debate everything from hunger to cargo theft to the invasion of the glassy-winged sharpshooter and its impact on viticulture...


  • US: Ag official worries about citrus heading to Tulare County
    FreshPlaza on June 15, 2010

    “They found out with glassy winged sharpshooter infestations that if they rinsed or brushed the fruit they drastically reduced the number of insects would...


  • Ag official worries about citrus loads heading to Tulare County
    Porterville Recorder on June 14, 2010

    “They found out with glassy winged sharpshooter infestations that if they rinsed or brushed the fruit they drastically reduced the number of insects would...


  • Grapes for more than just wine
    Victoria Advocate on June 23, 2010

    These include Pierce disease in South and East Texas and black rot during wet-rainy periods (select tolerant varieties to avoid this); cotton root rot on...


  • UC Davis wine courses announced
    Western Farm Press on June 30, 2010

    This year's topics include: breeding grapevines for Pierce's Disease resistance; controlling grape fungal disease such as powdery mildew and Botrytis bunch...


  • No Blow Movement Grows
    Dissident Voice on June 30, 2010

    That group managed to prevent the powerful wine industry from spraying homes and land against the glassy-winged sharpshooter pest without owner's ... and more...


  • Lower Pierce's disease assessment
    Western Farm Press on July 20, 2010

    The Pierce's Disease/Glassy-winged Sharpshooter (PD/ GWSS ) Board had recommended the 75-cent level. Wine grapes were assessed at $1 per $1000 dollars crushed...


  • UC Riverside faculty member joins elite group of entomologists - PhysOrg.com
    PhysOrg.com on July 29, 2010

    (press release) ... grapevines with resistance to Pierce's disease , biotechnology for control of desert locust, and regulatory control of insect transgenic technologies. ... and more...


  • UC Davis professor blogging about bugs
    Vallejo Times-Herald on July 27, 2010

    In Solano County, the glassy-winged sharpshooter has been an issue in recent years, as have infestations of the Mediterranean fruit fly and Light Brown ... and more...


  • Vacaville man shares his passion for bugs
    Contra Costa Times on July 27, 2010

    In Solano, the glassy-winged sharpshooter has been an issue in recent years, as have infestations of the Mediterranean fruit fly and Light Brown Apple Moth. ... and more...


  • Temecula businessman named to state agriculture board
    Press-Enterprise on July 27, 2010

    He is also a board member for the Rancho California Water District and serves on the state Pierce's Disease and Glassy-Winged Sharpshooter Board. ... and more...


  • Napa Democrats, Redford to welcome Boxer Saturday
    Napa Valley Register on July 31, 2010

    According to her campaign, Boxer has helped to secure more than $40 million for the Napa flood control project, as well as $50 million for Pierce's Disease ... and more...


  • Gene genies
    Cyprus Mail on July 31, 2010

    Scientists in California are working on developing grape vines resistant to Pierce's Disease , a bacterial disease that attacks vines and is even more deadly...


  • UC Riverside Faculty Member Joins Elite Group of Entomologists
    Media Newswire on August 3, 2010

    (press release) ... grapevines with resistance to Pierce's disease , biotechnology for control of desert locust, and regulatory control of insect transgenic technologies...


  • Entomological Society of America names 2010 Fellows - PhysOrg.com
    PhysOrg.com on August 2, 2010

    (press release) ... grapevines with resistance to Pierce's disease , biotechnology for control of desert locust, and regulatory control of insect transgenic technologies. ... and more...


  • Sharpshooters invade county
    Madera Tribune on August 6, 2010

    According to University of California Extension, Pierce's disease kills grapevines and there are no effective treatments for it. Three half-inch suspects...


  • Odd Couples: The Salamander and the Alga
    Berkeley Daily Planet on August 10, 2010

    It reminds me a bit of the sharpshooters—the group containing the vineyard-pest glassy-winged sharpshooter —and their symbiotic bacteria, which are housed in...


  • Business News: Week of August 9
    North Bay Business Journal on August 9, 2010

    ... at $0.75 per $1000 dollars crushed value for the 2010 winegrape harvest on the recommendation of the Pierce's Disease/ Glassy-winged Sharpshooter Board...


  • Inside Australian Parliament
    Australian Geographic on August 11, 2010

    ... such as the USA and Simon was worried this would allow vine diseases such as Pierce's disease , which has ruined crops in California, to enter Australia...


  • The Ojai Vineyard Opens New Tasting Room in Downtown Ojai
    Enobytes on August 16, 2010

    (blog) All of this was against the backdrop of Ojai losing its vineyards to Pierce's disease , which decimated the crop. Tolmach didn't let it stop him. ... and more...


  • Genetically Modified World: Part III
    Santa Barbara Independent on August 21, 2010

    The bacteria (Xylella fastidiosa), carried in the guts of a leafhopper insect, is responsible for Pierce's disease in grapevines. Instead of attacking the...


  • Becker Vineyards Makes The Best Wine In Texas
    Forbes on August 25, 2010

    (blog) Hail, a late freeze, Pierce's disease , all plagued his grapes. Sufficient grape supplies were hard to come by so he bought from all over Texas. ... and more...


  • GWS's Canberra push off the pace
    The Canberra Times on September 3, 2010

    The campaign to bring AFL expansion club Team GWS to Canberra continues to drag behind projected targets heading into the final month...


  • Supervisors to hold public hearing on Southeast Regional Wastewater system ...
    Lake County News on September 6, 2010

    10-0333 with the state of California, Department of Food and Agriculture for compliance with the Pierce's Disease Contract Program and authorizing execution...


  • Editorial: Growing grapes? Bag 'em
    TheReporter.com on September 16, 2010

    Still, there's more to be done to ensure that the European grapevine moth goes the way of the Mediterranean fruit fly and the glassy-winged sharpshooter...


  • AG Officials Discover Sharpshooters In San Luis Obispo
    KVEC on October 1, 2010

    San Luis Obispo, CA -- San Luis Obispo County Agriculture officials have discovered an infestation of the glassy winged sharpshooter in San Luis Obispo. ... and more...


  • Insects Putting Calif. Wine Crop In Danger
    KSBW The Central Coast on October 1, 2010

    In San Luis Obispo, the Edna Valley wine country area has also been quarantine after discovery of a glassy-winged sharpshooter infestation. ... and more...


  • Glassy-winged sharpshooter infestation discovered in SLO
    San Luis Obispo Tribune on October 1, 2010

    (blog) The pest is considered a threat to vineyards because it spreads a bacterium that causes Pierce's disease , which is fatal to grape plants, the county's...


  • Agriculture briefs
    Santa Rosa Press Democrat on October 3, 2010

    ... of San Luis Obispo County is under quarantine after county farm officials discovered the presence of a vineyard pest, the glassy-winged sharpshooter...


  • Sharpshooter infestation
    San Diego Source on October 1, 2010

    ... wine country area has been quarantined by San Luis Obispo County agriculture officials after discovery of a glassy-winged sharpshooter infestation. ... and more...


  • NEWS | SAN DIEGO
    San Diego Source on October 1, 2010

    ... wine country area has been quarantined by San Luis Obispo County agriculture officials after discovery of a glassy-winged sharpshooter infestation. ... and more...


  • Ag Officials Discover Sharpshooters In San Luis Obispo
    KVEC on October 1, 2010

    San Luis Obispo, CA -- San Luis Obispo County Agriculture officials have discovered an infestation of the glassy winged sharpshooter in San Luis Obispo. ... and more...


  • Tulare County chooses arts council
    Visalia Times-Delta on October 6, 2010

    ... $1.45 million to cover the costs of detecting and controlling infestations of glassy-winged sharpshooters, which can spread Pierce's disease to grapevines. and more...


  • Library-book dispenser planned for Cutler
    Visalia Times-Delta on October 4, 2010

    The insects can spread Pierce's disease to grape vines and are considered a major threat to the grape industry. Payments to county Agricultural...


  • Napa River restoration continues through Rutherford AVA
    St. Helena Star on October 2, 2010

    ... and wildlife habitat, reduce Pierce's disease pressure on vineyards and provide ongoing education about the river and its watershed,” said Beckstoffer...


  • Plagiarism in the Senate
    Manila Standard Today on October 13, 2010

    2 (D), Section 7 of Escudero's bill became “ gwss income” in the latter's version. If someone should suddenly bring out the issue of plagiarism, ... and more...


  • American Farmland Trust studies California's Bay Area
    The Packer on October 14, 2010

    Thompson named the medfly, citrus psyllid, glassy-winged sharpshooter , the apple moth, labor issues, regulatory issues and fuel supply challenges...


  • Entomological Foundation names 2010 award winners - PhysOrg.com
    PhysOrg.com on October 20, 2010

    (press release) His lab has responded to six important pest invasions in the last decade, with research projects on glassy-winged sharpshooter , olive fruit fly, ... and more...


  • GREEN THUMB: Experiment with backyard small fruits
    New Bern Sun Journal on October 22, 2010

    Bunch grapes are not recommended in Eastern North Carolina because of their susceptibility to Pierce's disease . Muscadines are resistant to this disease, ... and more...


  • Extension Agent: Victoria Red
    Victoria Advocate on November 9, 2010

    Also, many grapes they tried have died due to the prevalent Pierce's disease , but this one seems tolerant. One of the most significant characteristics of...


  • Agriculture briefs
    Santa Rosa Press Democrat on November 21, 2010

    The Certified Applicator Workshop will feature updates on such pests as the European grapevine moth and the glassy-winged sharpshooter...


  • Norton is a potential bunch grape for commercial vineyard or home plantings in ...
    New Bern Sun Journal on November 26, 2010

    Muscadines have good disease and insect resistance, and their resistance to Pierce's disease is especially significant. Generally speaking, bunch grape ... and more...


  • Sweet wine, Alabama: Local vineyard bottles the flavors of the South
    Anniston Star on December 1, 2010

    Elina Coneva of Auburn is working with three grape selections that were developed by UC Davis's breeding grape program to be resistant to Pierce's Disease ,...


  • Vectors of viruses in crops
    Western Farm Press on December 21, 2010

    Note that leafhoppers also vector bacterial pathogens such as the aster yellows and Pierce's disease bacteria. Thrips:In addition to being important plant...