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Topic of Discussion: High Speed Optical Sorting in the Field

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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Topic of Discussion: High Speed Optical Sorting in the Field

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  1. Topic of Discussion:High Speed Optical Sorting in the Field Winemaking Viticulture

  2. 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

  3. 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

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

  5. Artificial intelligence Raw image of the color scanner Image analyzed by artificial intelligence

  6. SORTED MATERIAL EXPERIMENT(POST DE-STEMMER)

  7. Sorted Fruit Stream Optically Sorted Fruit 94.6 % Berries (mostly whole) 3.5% Raisins 0.4% MOG 1.5% Juice

  8. MOG Broken Berries & Skins Rejected Stream 31.8% 33.6% 51.5% 19.7% 11.1% Raisins Whole Berries

  9. Pictures of must in fermenter during cold soak (2nd punch down). Control Sorted Rejected

  10. Volume of Sorted vs. Rejected Fruit. 1.5% “loss” of “good fruit”

  11. 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….

  12. Vineyard Operations Impact; Reality Check Winemaking Viticulture No labor costs in the field to drop the fruit. Changing thinning attitudes in vineyard.

  13. 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 $)

  14. 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

  15. Thank You Twitter: @WalshVineyards Facebook: facebook.com/WalshVineyards YouTube: Walsh Vineyards Management Channel Web: www.walshvineyards.com

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