| seasonal and tissue age influences on endophytic fungi of pinus tabulaeformis (pinaceae) in the dongling mountains, beijing. | endophytic fungi associated with pinus tabulaeformis carr. were investigated in the dongling mountains of beijing. a total of 16,200 tissue segments of p. tabulaeformis from four sample collections were processed, and 10,659 fungal isolates were recovered. the overall colonization and isolation rates of endophytic fungi from high to low were spring > winter > autumn > summer and in different tissues were bark > needle > xylem, irrespective of sampling seasons. the colonization rates of endophyti ... | 2008 | 18713350 |