Pest Management

  • 47: Fungicide Resistance in the Vineyard
    Nov 1, 2018
    Walt Mahaffee, Ph.D., Research Plant Pathologist, USDA-Agricultural Research Service, Corvalis explains how and why Grape Powdery Mildew populations become resistant to certain fungicides.
  • 44: Pesticides: Violations and Pesticide Container Recycling
    Sep 20, 2018
    Marc Lea, Deputy Agricultural Commissioner, San Luis Obispo County Ag and Lottie Martin, Deputy Agricultural Commissioner, Santa Barbara County Agricultural Commissioner’s Office talk about using pesticides safely and recycling pesticide containers.
  • Stinkwort Control
    Aug 29, 2018 | Joe DiTomasso & Guy Kyser | Weed Control in Natural Areas of the Western United States
    Recommendations for control of stinkwort.
  • Stinkwort is rapidly expanding its range
    Aug 29, 2018 | Rachel Brownsey, G.B. Kyser & J. DiTomaso | California Agriculture
    Description of the weed stinkwort (Dittrichia graveolens), its rapid spread through California, and its life cycle.
  • Stinkwort Resources
    Aug 29, 2018
    Two articles on the spread, biology, and control of stinkwort (Dittrichia graveolens).
  • Decoding Sustainability in the Winegrape Industry with Ashley Poupart
    Aug 21, 2018 | Ashley Poupart
    Ashley Poupart explores why sustain practices are important to the wine and winegrape industries followed by an overview and comparison of the major sustainability certifications available to vineyards.
  • SAE 2017: Mechanization Bud Break to Bottle with Bart Haycraft
    Aug 21, 2018 | Bart Haycraft | 2017 Sustainable Ag Expo
    Bart Haycraft, Vineyard Manager for Jackson Family Wines Los Alamos, walks through all of the vineyard operations he has mechanized on his ranches including weed control, canopy management and efficient harvesting. Q&A for this session is found here: https://youtu.be/nC1gSjtU1QM
  • SAE 2017: Q&A- Mechanization Bud Break to Bottle with Bart Haycraft
    Aug 21, 2018 | Bart Haycraft | 2017 Sustainable Ag Expo
    Bart Haycraft, Vineyard Manager for Jackson Family Wines Los Alamos, answers questions about the vineyard operations he has mechanized on his ranches including weed control, canopy management and efficient harvesting. The full session is found here: https://youtu.be/ItFu_50H0og
  • 42: Farming with Wildlife
    Aug 16, 2018
    Vineyard Manger Lucas Pope describes how he farms 281 acres of winegrapes situated on a 2,000+ ranch of undisturbed oak woodland where he and his team regularly come across deer, coyotes, mountain lion, and rattlesnakes.
  • Top Ten Podcasts
    Jul 20, 2018 | Sustainable Winegrowing Podcast
    Check out some favorite episodes Here are ten episodes of the Sustainable Winegrowing podcast you don’t want to miss.
  • 40: The Fight Against Pierce’s Disease
    Jul 19, 2018
    Steve McIntyre, Owner, Monterey Pacific Inc. and Board Member, Pierce’s Disease/Glassy-winged Sharpshooter Board talks about the PD/GWSS Board, its function, and how the board works to reduce the impacts and spread of this disease.
  • 35: Integrated Pest Management in Sustainably Farmed Vineyards
    May 3, 2018
    Bart Haycraft, Vineyard Manager, Jackson Family Wines- Los Alamos describes some of the techniques he uses in his vineyards for managing vineyard pests.
  • An Important First Step in Biocontrol: Don't Kill the Good Insects
    Apr 23, 2018 | CD11 Mealybug Biocontrol Research Focus Group | Lodi Winegape Commission
    This chart shows the relative impacts on beneficial insects of 36 common insecticides.
  • Ecological Considerations of Vineyard Development
    Apr 9, 2018 | Dan Rodrigues | 2017 Sustainable Ag Expo
    Dan Rodrigues, Owner/Viticulturist of Vina Quest LLC talks about ways to reduce the environmental impacts of developing a vineyard and preventing future pest problems through careful planning and paying attention to the unique topography and ecosystems of individual parcels of land.
  • Q&A-Ecological Considerations of Vineyard Development
    Apr 9, 2018 | Dan Rodrigues | 2017 Sustainable Ag Expo
    Dan Rodrigues, Owner/Viticulturist of Vina Quest LLC, takes questions about ways to reduce the environmental impacts of developing a vineyard and preventing future pest problems through careful planning and paying attention to the unique topography and ecosystems of individual parcels of land.
  • Slides for Ecological Considerations of Vineyard Development
    Apr 9, 2018 | Dan Rodrigues | 2017 Sustainable Ag Expo
    Dan Rodrigues, Owner/Viticulturist of Vina Quest LLC talks about ways to reduce the environmental impacts of developing a vineyard and preventing future pest problems through careful planning and paying attention to the unique topography and ecosystems of individual parcels of land.
  • Regulatory Agency Permitting and Ecological Considerations for Vineyard Operations
    Mar 27, 2018 | Brian Dugas | 2017 Sustainable Ag Expo
    Principal Biologist, Terra Verde Environmental Consulting talks about regulatory agency reviews, permit requirements, road/culvert designs, permitting strategies, and ecological considerations for vineyard development and management at the 2017 Sustainable Ag Expo.
  • Highlights from the Fungicide Resistance Tailgate Meeting
    Mar 2, 2018 | Craig Macmillan, PhD. | February 23, 2018 - Monterey Pacific Inc.
    A brief summary of the key points made by Dr. Tim Miles during his talk at the February 23, 2018 Fungicide Resistance Tailgate.
  • What the mildew? A perspective on another challenging year managing powdery mildew
    Feb 14, 2018 | Walt Mahafee | Publication
    Reflections, insights, and advice on the 2017 powdery mildew season by Dr. Walt Mahaffee, Research Plant Pathologist, USDA-ARS Horticulture Crops Research Unit . Topics include timing, coverage, vine microclimate, canopy management and more.
  • Excerpts from "Fungicides, Bactericides, and Biologicals for Deciduous Tree Fruit, Nut, Strawberry, and Vine Crops- 2017"
    Feb 13, 2018 | James E. Adaskaveg, Doug Gubler, & Themis Michailides | Publication
    These excerpts from the 2017 edition of this UCIPM text describe and explain fungicide resistance and include tables listing fungicides registered for grapes with their known efficacy against various diseases and their resistance risk as of 2017.
  • 29: Worker Protection Standard - 2018
    Feb 1, 2018
    Amy Wolfe, President/CEO of AgSafe, discusses changes to the Worker Protection Standard including worker training, decontamination, and emergency response training.
  • Guideline for Pesticide (Hazardous Waste) Disposal
    Jan 11, 2018 | San Luis Obispo County Agriculture Department
    Contacts, definitions, and processes for disposing of pesticides (hazardous waste in San Luis Obispo County.
  • Managing Trunk Diseases During Vineyard Establishment with Dr. Kendra Baumgartner
    Jan 9, 2018 | Dr. Kendra Baumgartner | 2017 Sustainable Ag Expo
    Dr. Kendra Baumgartner, Research Plant Pathologist, USDA Agricultural Research Service, Crops Pathology and Genetics Research Unit- UC Davis, provides an update on the state of our knowledge about trunk pathogens in young vines both in the nursery and the field. She also discusses management techniques to prevent infections and manage vines if they are infected.
  • Q&A- Managing Trunk Diseases During Vineyard Establishment
    Jan 9, 2018 | Dr. Kendra Baumgartner | 2017 Sustainable Ag Expo
    Dr. Kendra Baumgartner, Research Plant Pathologist, USDA Agricultural Research Service, Crops Pathology and Genetics Research Unit- UC Davis, takes questions from the audience after providing an update on the state of our knowledge about trunk pathogens in young vines both in the nursery and the field. She also discusses management techniques to prevent infections and manage vines if they are infected.
  • 27: 50 Years of IPM
    Jan 4, 2018
    This podcast is an excerpt of the talk Dr. Pete Goodell delivered at the 2016 Sustainable Ag Expo on the history of IPM and what IPM is as a philosophy and practice.
  • 26: Controlling Mealybug Vectors of Grapevine Viruses
    Dec 21, 2017
    This podcast is an excerpt of the talk Dr. Kent Daane delivered at the 2017 Sustainable Ag Expo on which insecticides are best for controlling mealybug.
  • "Eutypa" A.K.A. Grapevine Trunk Disease
    Dec 14, 2017 | Craig Macmillan, PhD
    Twenty years ago it was believed that dead arms and diebacks were cause by a single organism- Eutypa lata. It is now known that many fungi all cause the same symptoms and eventually kill the vine.
  • Ecological Pest Management
    Dec 14, 2017 | Craig Macmillan, PhD
    The annual meeting of the Association of Applied IPM Ecologists took place November 29 to December 1 at the Visalia Marriott at the Convention Center in Visalia, California. Here are some highlights.
  • 20: Dr. Mark Fuchs | Red Blotch Virus in Grapevines
    Sep 21, 2017
    Dr. Marc Fuchs researches the biology and ecology of the Grapevine Red Blotch associated Virus.
  • Prey Consumption by Barn Owls
    Sep 13, 2017 | Mark Browning
    A scientific study of prey consumption by nesting barn owls over a three year period.
  • Floor Management for Soil Health
    Sep 5, 2017 | Craig Macmillan, Ph.D. | Technical article
    A fact sheet about cover crops and tillage.
  • Prevention and Management of Grape Fungal Diseases Close to Harvest
    Aug 25, 2017 | Craig Macmillan, Ph.D. | CAPCA ED
    The develop of fungal diseases on grapes is a progression from powdery mildew in the spring to Botrytis in the late summer.
  • New Discoveries about Sour Rot Episode 17
    Aug 3, 2017
    The research of Megan Hall and others has advanced our knowledge of the etiology, epidemiology, and management of sour rot from what we knew four years ago. Her research sheds light on the role of fruit flies in this disease complex.
  • The Vineyard Team Growers' Report, July 2017
    Jul 26, 2017 | Craig Macmillan, PhD
    The crop looks good and canopy growth is strong.
  • Managing Pierce’s Disease in Temecula Valley Vineyards Episode 16
    Jul 20, 2017
    After an epidemic of Pierce’s Diseases devastated the Temecula Valley wine industry in the 1990s, grape growers and scientist are working together to prevent that from happening again.
  • Downy Mildew (Plasmopara viticola)
    Jul 14, 2017 | Craig Macmillan
    Although rarely seen in coastal California, when conditions are right this devastating fungal disease can make an appearance.
  • What is Sustainable Agriculture?
    Jul 10, 2017
    Sustainability rests on the principle that we must meet the needs of the present without compromising the ability of future generations to meet their own needs.
  • IPM Control of Vine Mealybug Episode 15
    Jul 6, 2017
    Greg Pennyroyal discusses the appearance of vine mealybug in the Temecula Valley, Integrated Pest Management (IPM), and how the community came together to monitor and manage this pest.
  • Organic Pest Control in Vineyards Episode 14
    Jun 15, 2017
    Farming organically has many benefits, but growing winegrapes organically has special challenges. Learn how one grower uses organic pest management practices in the vineyards.
  • Sustainable and Organic Control of Vine Mealybug in Vineyards: Two Growers, Two Approaches
    Jun 5, 2017 | Craig Macmillan, PhD
    Two growers share strategies for managing Vine Mealybug in organic and sustainable vineyards.
  • Pierce's Disease and Its Vectors: Monitor for Sharpshooters
    May 15, 2017 | Craig Macmillan, PhD
    Although symptoms of the disease aren't apparent until late in the season, the vectors are on the move.
  • Farm Service Agency Tree Assistance Program (TAP)
    May 11, 2017
    If you plan to replant vines due to the Red Blotch virus or Pierce's Disease, you may be eligible for financial assistance from the Farm Service Agency Tree Assistance Program.
  • Putting the “I” Back Into Vineyard IPM Episode 11
    May 4, 2017
    Dr. Pete Goodell, California Cooperative Extension Advisor, makes the case that IPM is a critical tool to address multiple issues facing our sustainable vineyard and agricultural systems.
  • 2017 Worker Protection Standards (WPS) Update
    Apr 27, 2017
    On Jan 1, 2017, Worker Protection Standards (WPS) were updated. Here's what you need to know. In English and Spanish.
  • Vineyard Weed Management Episode 10
    Apr 20, 2017
    Grant Cremers describes his vineyard management strategy through a combination of under-vine cultivation and herbicides at San Bernabe Vineyards.
  • Fungicide Resistant Mildew Episode 09
    Apr 6, 2017
    Dr. Timothy Miles discusses the prevalence of fungicide resistant powdery mildew populations found to be resistant to FRAC group 11 fungicides.
  • PMapp: A Mobile App for Assessing Grape Powdery Mildew
    Mar 6, 2017 | Craig Macmillan, PhD
    This mobile app (PMapp) trains you to accurately estimate severity of grape powdery mildew damage with pictures and calculates incidence and severity on the go.
  • Fungicide Resistance in Grapes: Grower Perspective Episode 6
    Feb 16, 2017
    Growers share their practices and experiences with fungicide resistance and battling Powdery Mildew in their vineyards.
  • Grape Powdery Mildew Management and Inoculum Monitoring Episode 5
    Feb 2, 2017
    Dr. Walt Mahaffee describes the latest advances in grape powdery mildew management and reducing fungicide applications through inoculum monitoring.
  • Vineyard Floor Management: Steel in the Field
    Jan 24, 2017 | Steel in the Field Tailgate
    In conjunction with cover crops and a sound knowledge of weed species and biology in vineyards, growers have cultivators and other implements for their vineyard floor management. This tailgate provides information about how various implements work, their strengths and weaknesses, and their role in sustainable weed management.
  • Grapevine Trunk Diseases and Red Blotch Virus Management Episode 4
    Jan 19, 2017
    A grower panel discussion on preventative and management practices for grapevine trunk diseases and Red Blotch Virus management.
  • A Short History of Red Blotch Disease Episode 3
    Jan 3, 2017
    Dr. Golino describes the history behind the discovery and study of Red Blotch Disease and other grapevine virus diseases.
  • Effective Vineyard Spraying
    Jan 1, 2017 | Online Continuing Education
    Techniques and technologies to reduce drift and improve spray coverage.
  • The Goldilocks Principle & Powdery Mildew Management Episode 2
    Dec 1, 2016
    Like Goldilocks, powdery mildew likes the weather conditions to be just right. Dr. Moyer explains these ideal conditions and two key ways to avoid disease.
  • Pollinator Protection
    Nov 16, 2016 | Louie Guerra
    Consider pollinator protection while evaluating sites when making pesticide use recommendations.
  • Economic Hurdles to Early Adoption of Grapevine Trunk Disease Preventative Practices
    Nov 15, 2016 | Jonathan Kaplan
    Dr.Jonathan Kaplan, Professor of Economics at CSU Sacramento, summarizes his research on when growers adopt practices to prevent grapevine trunk diseases.
  • Managing Trunk Disease in Young & Mature Vineyards
    Nov 15, 2016 | Kendra Baumgartner
    Dr. Kendra Baumgartner, Research Plant Pathologist with the USDA Agricultural Research Service, provides an overview of grapevine trunk diseases and recommends several strategies for limiting their spread.
  • Plant Nutrition and IPM
    Nov 15, 2016 | Gregg Young
    Certified Agronomist and Pest Control Advisor Gregg Young argues that the impacts of pests and diseases on plants can be addressed through better nutrient management.
  • Putting the I Back in IPM
    Nov 15, 2016 | Peter Goodell
    Why integration is the key to facing future challenges
  • Update on Grapevine Red Blotch Virus
    Nov 15, 2016 | Alan Wei
    Dr. Alan Wei, owner of Agri-Analysis in Davis, California, shares the latest information about the distribution of Grapevine Red Blotch associated Virus (GRBaV) in the vine, the effect of various levels of infection, and how the virus is spread.
  • Apex Predators
    Nov 14, 2016 | David Headrick
    A Look at Apex Predator Roles in the Environment
  • Detection of Fungicide Resistant Mildew
    Nov 14, 2016 | Timothy Miles
    Detection of Erysiphe necator fungicide resistant alleles in environmental samples
  • Inoculum Monitoring for Mildew Mgmt
    Nov 14, 2016 | Walter Mahaffee
    New Tools for an Old Foe: Inoculum Monitoring to guide Mildew Management
  • Loss of Methyl Bromide
    Nov 14, 2016 | Kelly Ivors
    The Loss of Methyl Bromide: One Industry’s Journey to Find Solutions
  • Microsprinklers to Microorganisms
    Nov 14, 2016 | Surendra Dara
    Sustainable Strawberry and Vegetable Research Micro-sprinklers to Microorganisms
  • Modelling Spore and Pest Dispersion
    Nov 14, 2016 | Rob Stoll
    Dr. Rob Stoll, Associate Professor of Mechanical engineering at the University of Utah, presents the computer models he and his collaborators have build to show how fungal spores spread in vineyards under different conditions.
  • PG&E Avian Protection Program
    Nov 14, 2016 | Andi Henke
    Andi Henke, PG&E, outlines the Avian Protection Program and how it both protects avian wildlife and prevents service outages to customers.
  • Bunch Rot with Larry Bettiga Episode 1
    Nov 3, 2016
    Larry Bettiga discusses the life cycle of bunch rot.
  • Barn Owl Nesting Boxes
    Sep 22, 2016 | Craig Macmillan, PhD
    Barn owls play an important role in both the ecosystem and in Integrated Pest Management.
  • Winter Practices Tailgate Synopsis
    Jan 12, 2016 | Craig Macmillan
  • Sprayer Calibration
    Jun 1, 2010 | Landers, Andrew | Wines and Vines