Effects of temperature and incubation time on the ability of three ectomycorrhizal fungi to colonize Pinus sylvestris roots

Abstract

The ability of Piloderma croceum, a relatively slow growing ectomycorrhizal symbiont, to colonize Pinus sylvestris was tested in competition with two faster growing fungi, Paxillus involutus and an unidentified pink symbiont isolated from the same forest as the P. croceum isolate. The time course of infection was followed for 6 months at 12-degrees-C and 20-degrees P. croceum colonization of initially uninoculated plants was still increasing after 6 months growth at 20-degrees, whereas the numbers of pink root tips remained unchanged after 2 months and the number of P. involutus mycorrhizas decreased from a maximum after 2 months. The incubation time after which maximal colonization occurred corresponded to the relative growth rates of the different fungi. The seedling root size and mycorrhizal infection after 2 months at 20-degrees were very similar to those after 6 months at 12-degrees.

Published in

Mycological Research
1992, volume: 96, number: 4, pages: 270-272

SLU Authors

• Finlay, Roger

  • Lund University

UKÄ Subject classification

Microbiology
Ecology

Publication identifier

• DOI: https://doi.org/10.1016/S0953-7562(09)80936-2

Permanent link to this page (URI)

https://res.slu.se/id/publ/38963