Successful pest management in a commercial vineyard is based on a basic knowledge and understanding of the following. If you’d like help identifying pests and beneficial insects, try our Grape Pest and Beneficials Search.
1) The biology of a grape vine and its annual growth habits.
- Grape growth stages chart
- Vineyard Establishment I: Pre-plant decisions (E2644)
- Vineyard Establishment 2: Planting and Early Care (E2645)
2) The biology and life cycle of insects, diseases, nematodes and weeds found in vineyards.
- Try our Grape Pest and Beneficials Search. Use this tool to identify diseases, insect and mite pests and beneficials found in grapes, a critical step in any integrated pest management plan.
- See our downloadable PDFs to identifying insects, diseases, and physiological/chemical disorders.
- Need help identifying an insect or source of pest damage? Contact MSU Diagnostic Services
- Vineyard scouting calendar for when to look for major pests. Form for scouting vineyards
3) The environmental conditions favoring pests that injure the crop.
- See our links on weather and climate
- The use of growing degree days (GDDs) to improve pest management tactics
- An ecological approach to growing grapes and other fruit: Fruit Crop Ecology and Management
4) The susceptibility of various varieties of grapes to pests and pesticides.
- Order E145PDFGRAPE, the Michigan Grape Management Guide, for information on effectiveness of fungicides and insecticides as well as effects on beneficial organisms
- Avoiding pesticide resistance
5) The cultural, biological, and chemical control strategies that can be used for optimal production of commercial grapes.
- Bloom Time Grape Disease Control (updated June 2015)
- Order E145PDFGRAPE, the Michigan Grape Management Guide (updated annually) has information for selecting pesticides and other pest control tools for the coming growing season including pesticide safety tips.
- Vineyard weed identification (April 2014 W Michigan presentation by E. Elsner, E. Hanson)
- Vineyard weed management practices (April 2014 NW Michigan presentation by Wayne Mitchem, NCSU)
- Herbicides for vineyard weed management 2014 (April 2014 NW Michigan presentation by Wayne Mitchem, NCSU)
- Natural enemies: Predators & parasites
- Natural enemies: Monitor populations & consider food sources
- Pest management influences on natural enemies
- Pesticide applicator certification information from MSU’s Pesticide Safety & Education Program