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Liesbet Van HerckResearch Station for Vegetable Production (Belgium)
• Cultivar selection for robotic harvesting• Crop management optimization• Dissemination and exploitation
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Challenges Difficulties for robotic harvesting
encountered in the Crops-project:
Fruits are inaccessible for the grippers Limited visibility of the fruits Cut surface ≠ abscission surface
of the fruit stem, which mightincrease the risk for diseases
in plants and harvested fruits.
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Crop conditions to harvest mechanically
Visibility
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Crop conditions to harvest mechanically
Reachability
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Crop conditions to harvest mechanically
Accessibility
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Most appropriate varieties for mechanical harvesting
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Better vision: removal of leaves Compare stem densities: 7.2 <-> 6.7stems/m² Row distance: 1.33m, 1.18m, 1.00m
Maintain plant growth: removal of young fruits
Create longer internodes: using “clips”
Cultivation technique
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Altering plant morphology using LED lighting
Steering light (5µmol/m².s) FR
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Influence of harvesting method Fruit quality
Senstivity for plant diseases
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Ideal crop
1. Varieties: Riazor, Ballaidos,…2. 7.2 stems/m² (1.33m row distance)3. Frequent removal of leaves at the
height of the mature fruits4. Removal of young fruits
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Team
Liesbet van Herck
Lieve Wittemans
Raf de Vis