Now showing items 1-20 of 93

    • 2016 Organic Production and IPM Guide for Grapes 

      Carroll, Juliet; Weigle, Timothy (New York State IPM Program, 2016)
      This guide for organic grape production is an outline of cultural and pest management practices and includes topics that have an impact on improving plant health and reducing pest problems. Updated for 2016.
    • A better mousetrap - More Accurate Crop Damage Assessment in Lake Erie Grapes 

      Wiegle, Tim (New York State IPM Program, 2012)
      A collaborative effort between extension and research staff of the Lake Erie Regional Grape Program (LERGP) at the Cornell Lake Erie Research and Extension Laboratory (CLEREL) and area growers provided the information ...
    • A Practical Model for the Control of Grapevine Powdery Mildew in the Northeast Region 

      Gadoury, David M.; Seem, Robert C.; Wilcox, Wayne F.; Moyer, Michelle M. (New York State IPM Program, 2006)
      Powdery mildew causes extensive losses at the farm level.  Loss of the most highly-effective fungicides to resistance has caused a shift towards “soft” and/or organically-acceptable options.  Maintaining control with ...
    • A System Approach to Concord Productivity and Fruit Quality in the Lake Erie Production Region 

      Bates, Terence; Weigle, Timothy; Haggerty, Luke; Martin, Kevin; Muza, Andy (New York State IPM Program, 2014)
      Research-based IPM practices have been developed and modeled for grape pests on the Network for Environment and Weather Applications (NEWA) website.  The purpose of this project was to determine if adoption of cost-effective, ...
    • A System Approach to Concord Productivity and Fruit Quality in the Lake Erie Production Region 

      Bates, Terence; Weigle, Timothy; Haggerty, Luke; Martin, Kevin; Muza, Andy; (New York State IPM Program, 2015)
      The Concord System project is an integrated project that investigates the effect of various aspects of environment, genetics, pests and diseases, vine growth, and vine balance on Concord production efficiency. As the project ...
    • Addressing Late-Season Grape Berry Moth Damage 

      Weigle, Tim; English-Loeb, Greg; Hoffmann, Michael (New York State IPM Program, 2005)
      The concern over late season grape berry moth (GBM) damage has prompted growers and processors in the Lake Erie region grape industry to take a closer look at the management strategies available to them and the economics ...
    • Addressing Late-Season Grape Berry Moth Damage 

      Weigle, Tim; English-Loeb, Greg; Hoffmann, Michael (New York State IPM Program, 2004)
      1. Evaluate the use of Trichogramma ostriniae for grape berry moth management. 2. Determine the economic loss potential from grape berry moth.
    • Angular Leaf Scorch 

      Pearson, Roger C. (New York State IPM Program, 1992)
      Angular leaf scorch was first described in 1985. Its symptoms are similar to those of rotbrenner, a disease of grapevines found in the cool grape-growing regions of Europe such as Austria, Germany, the Alsace and Champagne ...
    • Apple and Grape IPM Extension Focus Groups 

      Carroll, Juliet; Weigle, Tim (New York State Integrated Pest Management Program, 2016)
      Extension educators are involved in delivering IPM information to grape and apple growers and met to explore issues, challenges and priorities for apple and grape IPM in Geneva, NY on January 25-26, 2017. A free flowing ...
    • Banded Grape Bug 

      Martinson, Timothy; Loeb, Gregory M. (New York State IPM Program, 1998)
      The banded grape bug is a sporadic, early-season pest of grapes that feeds on clusters between bud break and bloom. It damages grapes during the period of rapid shoot expansion and flower cluster development. Injury by the ...
    • Biological Control of Grape Powdery Mildew using Tydeid Mites 

      English-Loeb, Greg; Norton, Andrew; Gadoury, David; Seem, Robert; Wilcox, Wayne (1999New Yo)
      Uncinula necator, the causal agent of grape powdery mildew, is the most destructive pathogen of grapes worldwide, and is a particularly serious pest in the Northeastern US. There has been considerable interest, but limited ...
    • Biological Control of Grape Powdery Mildew Using Tydeid Mites 

      English-Loeb, Greg; Norton, Andrew; Gadoury, David; Seem, Robert; Wilcox, Wayne (1999New Yo)
      1. Assess the relationship between grape species/cultivar, tydeid mite (O. lambi) abundance, and incidence and severity of powdery mildew under a common vineyard setting. 2. Examine the relationship between tydeid mite ...
    • Biological Control of Spider Mites in Long Island Vineyards 

      Nyrop, Jan; English-Loeb, Greg; Wilcox, Wayne; Wise, Alice (1999New Yo)
      1. Monitor the dynamics between T. pyri and European red mite in vineyards where these predators were released in 1996. 2. Release T. pyri into two additional Long Island vineyards and determine their ability to reproduce ...
    • Black Rot 

      Wilcox, Wayne F. (New York State IPM Program, 2003)
      Black rot is an important fungal disease of grapes that originated in eastern North America, but which now occurs in portions of Europe, South America, and Asia as well. It can cause complete crop loss in warm, humid ...
    • Botrytis Bunch Rot & Blight 

      Pearson, Roger C. (New York State IPM Program, 1984)
      Botrytis bunch rot and blight of leaves, shoots and blossom clusters, also called gray mold, occurs throughout the viticultural world. The fungus causing the disease grows and reproduces on senescent or dead plant tissue. ...
    • Climbing Cutworms 

      Taschenberg, E. F.; Riedl, H. (New York State IPM Program, 1985)
      The name “cutworm” is applied to a large number of larvae of lepidopterous species in the family Noctuidae. The moths are night flyers and the larvae are night feeders. Both stages hide during the day. Many of the cutworm ...
    • Computer Confidence Training for Grape Growers 

      Weigle, Tim; Martinson, Tim (New York State IPM Program, 2004)
      Computer Confidence Training for grape growers keeps agriculture competitive. We partnered with six collaborators to provide hands-on computer confidence training to grape growers. Classes were small with 6 to 12 growers ...
    • Crown Gall 

      Creasap, Jodi E.; Burr, Thomas J. (New York State IPM Program, 1991)
      Crown gall of grape is an important disease in all areas where grapes are grown worldwide, but is particularly severe in regions with cold climates. Formerly designated as Agrobacterium tumefaciens biovar 3, A. vitis, the ...
    • Delivering Cornell Grape and Tree Fruit Extension Education Resources on www.fruit.cornell.edu 

      Carroll, Juliet; Martinson, Timothy; Pritts, Marvin (New York State IPM Program, 2011)
      The Cornell Fruit Resources website,was thoroughly upgraded and re-organized to place fruit information at the fingertips of growers and Extension educators. A steering committee consisting of Juliet Carroll, Marvin Pritts, ...
    • Delivering Cornell Grape and Tree Fruit Extension Education Resources on www.fruit.cornell.edu 

      Carroll, J.; Martinson, T.; Pritts, M. (New York State IPM Program, 2009)
      Our goal is to develop content for the Cornell Fruit Resources webpage to increase extension information delivery to key audiences in New York State, specifically the grape and tree fruit industries.