*Denotes contributors who also wrote sections of the guide

Research scientists

  • Dr. Pat Bowen
  • Dr. Eugene Hogue
  • Dr. Tom Lowery (Summerland Research and Development Centre)*
  • Dr. Gerry Nielsen
  • Dan O’Gorman
  • Dr. Peter Sholberg (Summerland Research and Development Centre)
  • Dr. Tom Forge (Agassiz)
  • Dr. Mercy Olmstead (Washington State University)
  • Dr. Robert Evans (USDA-ARS)

BC Ministry of Agriculture and Food

  • Susanna Acheampong
  • Gayle Jesperson
  • Hugh Philip (retired)
  • Madeline Waring
  • Jim Campbell
  • Production Insurance
  • Other staff

Other contributors

  • John and Lynn Bremmer, consultants/grapegrowers
  • Kellie Garcia, Insight Environmental Consulting Ltd.
  • Margaret Holm, Okanagan Similkameen Conservation Alliance*
  • Joe Larivière, B.C. Environmental Farm Plan*
  • Carol Reid, Farm & Ranch Safety & Health (FARSHA)*
  • John Vielvoye, who was the primary author of the original Grape Management Guide, portions of which still remain in this guide
  • Mike Watson, Vincor International


  • The main cover photograph is kindly provided by Graem Nelson Associates Ltd of Penticton
  • Merlot grape cluster courtesy of Mission Hill Family Estate Winery
  • Photographers for individual images illustrating pests in the Crop Protection section are credited on each photo


Thanks are extended to the BC Wine Grape Council.