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Itinéraire technique en pépinière pour le Douglas de type 1+1 mycorhizé par Laccaria bicolor S 238 N.
Author(s) -
B. Généré,
Daniel Bouchard,
Jean-Michel Amirault
Publication year - 1997
Publication title -
revue forestière française
Language(s) - French
Resource type - Journals
SCImago Journal Rank - 0.11
H-Index - 13
eISSN - 1951-6827
pISSN - 0035-2829
DOI - 10.4267/2042/5665
Subject(s) - humanities , forestry , physics , art , geography
The proposed nursery practices can produce physiologically healthy, properly mycorrhized Douglas-fir seedlings inoculated with Laccaria bicolor S 238 N that meet FFN quality standards for afforestation purposes. Production costs are kept down to a level comparable to conventional techniques by using a low-concentration inoculum, high density sowing and an accelerated production cycle (over 2 instead of the usual 3 years) obtained by late summer transplanting in fumigated soil. In addition, the symbiont under scrutiny behaves well with respect to intensive cultivation techniques and cold storage in sealed bags. / L'itineraire technique propose permet de fournir au reboisement des plants de Douglas bien mycorhizes par Laccaria bicolor S 238 N, de qualites exterieures aux normes du Fonds forestier national et en bon etat physiologique. Les couts de production sont maitrises a un niveau comparable a ceux d'une production classique grâce a l'utilisation d'un inoculum a faible concentration mycelienne, a un semis a forte densite et a une production acceleree en 2 ans, au lieu de 3 habituellement, obtenue avec un repiquage de fin d'ete sur sol desinfecte. Enfin, le symbiote etudie supporte bien une conduite culturale intensive et une conservation au froid en sac ferme.

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