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Liesbet Van HerckResearch Station for Vegetable Production (Belgium)
• Cultivar selection for robotic harvesting• Crop management optimization• Dissemination and exploitation
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.
Crop conditions to harvest mechanically
Visibility
Crop conditions to harvest mechanically
Reachability
Crop conditions to harvest mechanically
Accessibility
Most appropriate varieties for mechanical harvesting
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
Altering plant morphology using LED lighting
Steering light (5µmol/m².s) FR
Influence of harvesting method Fruit quality
Senstivity for plant diseases
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
Team
Liesbet van Herck
Lieve Wittemans
Raf de Vis