Biocontrol is the set of methods for protecting crops against pathogens by using natural organisms and/or substances.

The story: two long-time friends, a researcher and an agronomist, committed and experienced, with complementary profiles, founded Immunrise Biocontrol, a French and independent company which emanates from the Institute of Biology of the Ecole Normale Supérieure (IBENS, Paris). Their objective is to identify and develop non-GMO solutions drawn from nature to ensure the protection of our crops. The principle is to identify marine micro-organisms capable of either stimulating the natural defences of plants or acting directly on pathogens, limiting the development of disease on plants. Immunrise Biocontrol will therefore make it possible to improve the yield and quality of cultivated plants while reducing the use of synthetic pesticides.

Videos :

France 2 - Journal 13H le 28/01/2017

A young company in Bordeaux has discovered a microscopic algae that could be an alternative to pesticides. It is sometimes used in New Aquitaine in vineyards.

France 2 - 1pm news on 17/09/2017

Treating vines with algae instead of pesticides is the discovery of a young Bordeaux company. The first tests have proved conclusive.

ECOMNEWS - January 2017

Immunrise Biocontrol, based in Pessac, has discovered a micro-algae that produces molecules with promising bio-pesticidal properties. Interview with Laurent De Crasto, CEO of Immunrise and Alain Rousset, President of the Nouvelle-Aquitaine Region, during his visit to the start-up on 13 January.

Other releases :

Vitisphere / July 2019 / The new formulation of Immunrise is proving its worth in the vineyard

France Inter Algae: an alternative to pesticides?

Le Figaro A Bordeaux-based company discovers a promising bio-pesticide algae

Laurent de Crasto, co-founder of IMMUNRISE

Laurent de Crasto is an agricultural engineer specialising in viticulture and graduated from Sup Agro Montpellier. He worked at the Institut National de l'Origine et de la Qualité in Paris before co-founding two innovative industrial companies based in Bordeaux:

  • WIT France in 2007, specialised in small volume wine packaging (15 employees, €2m turnover in 2016)
  • In 2011, he co-founded VDLV (90 employees, €8m turnover in 2018) which develops E-liquids based on natural flavours, a leading company on the French market.

In 2012, he became a member and treasurer of Innovin, the New Aquitaine cluster for wine innovation.

In 2015, he created with Lionel Navarro the company ImmunizationImmunrise, specialised in the research and development of biotechnological solutions. In 2016, Immunrise's biocontrol subsidiary was created in Pessac, in the Nouvelle-Aquitaine region of France, and focuses its research on marine microorganisms to treat plants.  

Immunrise aims to develop innovative biocontrol solutions for crop protection. The conceptual approach initiated by its founders at the time of its creation is to identify marine microorganisms of agronomic interest. This simple and direct approach required long and tedious research and selection of microorganism strains, which were carried out by Dr Navarro's laboratory, of which Immunrise is the spin-off.




Laurent de CrastoCEO, Co-founder

218 Avenue du Haut Lévêque, 33600 Pessac



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