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Topic of Discussion: High Speed Optical Sorting in the Field. Winemaking. Viticulture. Some Key Optical Equipment Features. Winemaking. Viticulture. Session Long Productivity Instantaneous Productivity Session Long “Bi-Product” Instantaneous “Bi-Product”

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some key optical equipment features
Some Key Optical Equipment Features

Winemaking

Viticulture

  • Session Long Productivity
  • Instantaneous Productivity
  • Session Long “Bi-Product”
  • Instantaneous “Bi-Product”
  • Average Berry Size Measurement (mm)
  • Min and Max Berry Size
  • Color
    • Green Berries
    • Pink*
  • Uniformity of Shape
  • Pips
sorting productivity
Sorting Productivity

Winemaking

Viticulture

  • Hand Tons Per 8 Hours
    • Range: 15-33~ Tons
    • Average: 25~ Tons
    • Ave Tons/Hour: 3.1 T/A
  • Selectiv Machine Tons Per 8 Hours
    • Range: 25-45~ Tons
    • Average: 35~ Tons
    • Ave Tons/Hour: 4.4 T/A
bi product details
Bi-Product Details

Winemaking

Viticulture

  • Rachis Weight
    • Range: 4 to 12%~
    • Average: 6%~
  • Optical Sorting Bi-Product
    • Range: 0.5-11%~
    • Average: 2.5%~
slide5

Artificial intelligence

Raw image of the color scanner

Image analyzed by artificial intelligence

sorted fruit stream
Sorted Fruit Stream

Optically Sorted Fruit

94.6 % Berries (mostly whole)

3.5% Raisins

0.4% MOG

1.5% Juice

slide8

MOG

Broken Berries & Skins

Rejected Stream

31.8%

33.6%

51.5%

19.7%

11.1%

Raisins

Whole Berries

volume of sorted vs rejected fruit
Volume of Sorted vs. Rejected Fruit.

1.5% “loss” of “good fruit”

vineyard operations impact reality check
Vineyard Operations Impact; Reality Check

Winemaking

Viticulture

  • Example:
    • 8X5 Spaced Vineyard
    • 2 Drop Clusters x 0.26 lbs = 0.52 lbs
    • 0.3~ t/a x 4.5 acres = 1.4 tons “Dropped”
    • 50% “good fruit” in cluster x 1.4 tons= 0.7 tons
    • 1,400 lbs “good fruit” in reject stream
    • Lose 3.5 x’s more “good fruit”

@ two clusters dropped per vine

Out of site out of mind….

vineyard operations impact reality check1
Vineyard Operations Impact; Reality Check

Winemaking

Viticulture

No labor costs in the field to drop the fruit.

Changing thinning attitudes in vineyard.

slide14

Summary Conclusions:

  • Reduced capital investment for wineries (W $)
  • Fewer winery crush days/hours/minutes (W $)
  • Less money spent on labor thinning (G $)
  • Less “good fruit” being dropped during thinning (G $)
  • Increased hang time (W $)
  • Mechanical harvested and sorted fruit is superior to SOP hand picked fruit* (G&W $)
napa wine vit tech
Napa Wine/Vit Tech

1. Improve the quality of Napa Valley Wines

2. Provide some technical information to members

4. Aid members in solving technical winemaking and viticulture problems

5. Carry on enological and viticulture research

thank you

Thank You

Twitter: @WalshVineyards

Facebook: facebook.com/WalshVineyards

YouTube: Walsh Vineyards Management Channel

Web: www.walshvineyards.com

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