Role in tree decay Ascocoryne sarcoides



specimen found in beech , oak forest in belgium


a number of field studies conducted in boreal forest region of northern ontario (canada) showed a. sarcoides found associated various deciduous , coniferous tree hosts had been affected fungal disease known heart rot; discovery noted unusual, fungal tree infections known caused basidiomycetes, not ascomycetes. in case of commercially valuable tree species black spruce (picea mariana), determined prior colonization a. sarcoides reduces incidence of subsequent infection common fungal pathogens, such fomes pini , scytinostroma galactina; furthermore, a. sarcoides can exist in wood no noticeable harmful effects on host. similar relationship shown later exist jack pine trees (species pinus banksiana), whereby a. sarcoides inhibited peniophora pseudopini, had little effect on subsequent growth of fomes pini. study showed a. sarcoides isolated more defective wood age of tree increases (trees examined in study on 80 years old), , can infect both uninfected heartwood decayed wood; in latter case coexists causal fungi.








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