Viticulture Services 

Technical Services all year, season after season, DJ's work with top grapegrowers and winemakers to protect and enhance the value of grapes and wine.

 Our technical services are headed by Matthew Wilson and DJ's Founders James Hook & Derek Cameron with agronomists Joe Siebert, Sam Freeman, Liz Ward, Sarah Lyons, and Tom Jefferies.



  • Vineyard Pest & Disease Monitoring

    • Diseases

    • Pests

    • Beneficial Insects

  • Tissue Testing (Leaf and Petiole & Veraison)

  • Soil Moisture Monitoring



  • Grape quality zoning using canopy mapping

  • Crop yield estimation

  • Vineyard Quality Assessment & Pest, disease, and disorder incidence and severity reports

  • Near Infrared photographic survey (NDVI)

  • Drone services

  • Expert Opinion Reports

  • Spray Diary services

  • Water quality testing

  • Fruit maturity sampling and baumé, pH and titratable acidity reports


Autumn & Winter

  • Soil Testing

  • Virus Testing

  • Vine performance records: phenology, component of yield, and pruning weights

  • Bud dissection: inflorescence primordia counts, primary bud necrosis and mite identification

  • Vineyard Real Estate Appraisal