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Light & plant 3rd edition on 12/10/23 in Pont Sant Martin (Nantes)

October 12, 2023

Vegepolys Valley, RED Horticulture and the Cluster Lumière organized the 3rd Rencontres Lumière
et Végétal on October 12, 2023, on the theme of “Greenhouse production and energy sobriety: how
to optimize your lighting strategy”. The event took place at the “Maison des Maraîchers” in Pont
Saint Martin (44). Around 100 people, suppliers, and users from the entire plant value chain (seed
growers, greenhouse growers, researchers, suppliers, etc.).
Short introduction of participants by Emeline Défossez
– Scientific foundations – Soulaiman Sakr, UMR-IRHS
– Pest and disease management, feedback from horticulture – Alain Ferre, ASTREDHOR
– Feedback / strategy for using UVc on powdery mildew – Brigitte Pelletier, ARELPAL
– Light to stimulate plant defenses in the field – Laurent Urban, Université d’Avignon
– Light modulation to improve plant preservation and nutritional value – Patrick Roynette, Asclepios Tech


All day presentation where Asclepios Tech presented its technology with pairs and impacts on plant
followed by the visit to CDDM and RED Horticulture.
Our mission to disseminate the fact that sustainable solutions exist and not only problems. To have
an ecosystem more informed on the deep impact of light above photosynthesis is a must to all


October 12, 2023


nantes, France
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