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Home PLANT CHAMPIGNON® Controlled mychorrization The controlled mychorrization laboratory

The con­trolled my­c­or­rhiza­tion lab­o­ra­tory

Pierre Cammalletti, In charge of the technical aspects of the controlled mycchorization programme, and Claire Cotton, Technical assistant at the laboratory, located in Saint Laurent du Cros (05)



Pépinières ROBIN who are con­stantly wanting to im­prove the quality of their pro­duc­tion have de­vel­oped con­trolled my­c­or­rhiza­tion in their own lab­o­ra­tory with the help of :


  • INRA (Sci­en­tific In­sti­tute of Agro­nomic Re­search),
  • CEMA­GREF (Re­search In­sti­tute in Agri­cul­tural Engi­neering and the En­vi­ron­ment)
  • CNRS (Na­tional Sci­en­tific Re­search Council) in Nancy
  • Diepen­beck Uni­ver­sity (B),
  • Cologne Uni­ver­sity (D),
  • Cra­covie Uni­ver­sity (PL)
  • Kiev Uni­ver­sity (UKR)
  • Bu­dapest Uni­ver­sity (H),
  • The IPLA (Re­gional In­sti­tute Pied­mont Italy)

  • Logo INRALogo Oseo anvar

What is a my­c­or­rhiza ?

The Ethy­mology of the term My­c­or­rhiza comes from the Greek Mukes sig­ni­fying fungi and Rhiza root.

A my­c­or­rhiza is a sym­bi­otic As­so­ci­a­tion be­tween a fungus and the root of a living host plant (FRANK 1885).

Vidéo de présen­ta­tion de Robin Pépinières


Dif­ferent types of my­c­or­rhizae exist, but our work is par­tic­u­larly con­cerned with :




  • Although Ec­to­my­c­or­rhizae make up only 3 to 5 % of the earth's plant species they are ex­tremely im­por­tant to forestry
  • They have a more or less narrow speci­ficity to the plant host and to the soil.
  • They are useful for the pro­duc­tion of ed­ible mush­rooms.
  • They are di­rectly rec­og­niz­able by ob­serving the my­c­or­rhizal root system through a mag­ni­fying glass .

En­domy­c­or­rhizae rep­re­sent the most widespread form of sym­biosis, they col­o­nize more than 90% of ter­res­trial plants. They con­cern par­tic­u­larly the or­na­mental species or fruit species but they are as­so­ci­ated with forest species like the genera Frax­inus, Acer, Juglans, Prunus ...

  • Le Frêne (Frax­inus)
  • L'Érable (Acer)
  • Le Noyer (Juglans)
  • Prunus, …
They con­cern :
  • The my­c­or­rhizal fungi useful to forests such as : Lac­caria, He­be­loma, Suillus, Pax­illus, Rhi­zo­pogon, Pisolithus. On a large range of conif­erous and de­cid­uous hosts.
  • The ed­ible my­c­or­rhizal mush­rooms such as Lac­tarius, Suillus, Bo­letus, Am­manita Can­tharellus without for­get­ting the Me­lanosporum tuber, the Un­ci­natum tuber, the Aes­tivum tuber and the Mag­natum tuber.
  • Across a panel of plant hosts more or less specific in the genera Pinus, Picea, Abies, Quercus, Co­rylus, Cas­tanae, Tilia, Pop­ulus, Ce­drus...


Details of a Ectomycchorized root

Details of a Endomycchorized root

The ac­tivity of our lab­o­ra­tory within the frame­work of the pro­gramme CON­TROLLED MY­C­OR­RHIZA­TION con­sists of dif­ferent stages of iso­lating the stocks up until the final ver­i­fi­ca­tion of the plants be­fore ex­pe­di­tion.Isolation of stumps...                                                        

Logo Champignon Plant Logo Truffier Plant

This work makes us the only nursery in Eu­rope ca­pable of mas­tering
all the stages of pro­duc­tion and mon­i­toring of my­c­or­rhizal plants with dif­ferent
fungi across a large range of hosts for dif­ferent uses