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Field performance in northern Spain of Douglas-fir seedlings inoculated with ectomycorrhizal fungi

AuthorsPera, J.; Álvarez, Isabel F.; Rincón, Ana ; Parladé, J.
KeywordsPseudotsuga menziesii
Laccaria bicolor
Melanogaster ambiguus
Rhizopogon subareolatus
Thizopogon colossus
Issue Date1999
CitationMycorrhiza 9: 77-84 (1999)
AbstractExperimental plantations were established in northern Spain to determine the effects of different ectomycorrhizal fungi on growth and survival of Douglasfir (Pseudotsuga menziesii (Mirb.) Franco) under field conditions. Douglas-fir seedlings were inoculated with Laccaria bicolor S238 mycelia in two bareroot nurseries in central France or with spore suspensions of three hypogeous ectomycorrhizal species: Melanogaster ambiguus, Rhizopogon colossus and R. subareolatus, in a Spanish containerised nursery. The effects of ectomycorrhizal inoculation on plant survival after outplanting were limited, being only significant at the Guipuzkoan (Spain) site, when plants inoculated with L. bicolor S238 were compared to non-inoculated plants grown in non-fumigated soil. L. bicolor S238 had a significant effect on plant growth during the phase of bareroot nursery growth and this difference was maintained after field outplanting. Nursery inoculations with M. ambiguus, R. colossus and R. subareolatus improved plant growth during the first 2 and 3 years after field outplanting. The positive effects of the inoculation treatment on seedling height, root collar diameter and stem volume persisted after 5 years of field growth. Inoculation with these ectomycorrhizal fungi may improve the field performance of Douglas-fir seedlings in northern Spain.
Description8 pages, figures, and tables statistics.
Appears in Collections:(ICA) Artículos
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