Pacific Northwest Research Station

Title: In vitro fruiting of Armillaria species.

Author: Reaves, Jimmy L.; McWilliams, Michael.

Date: 1991

Source: Res. Note PNW-RN-505. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 7 p

Station ID: RN-PNW-505

Description: Thirty-three different isolates of various Armillaria species were grown on sterilized orange slices under a controlled temperature and light regime. Nine isolates of A. ostoyae (North American Biological Species I, NABS I), three of NABS VII, one of NABS IX, one of NABS X, and two unidentified isolates formed basidiomes. Most of the basidiomes had uncharacteristic and inverted caps. Three different basidiomes contained viable spores, two from A. ostoyae and one from an unidentified species. Thirteen (9 NABS I, 3 NABS VII, 1 NABS X) of the identified and two of the unidentified isolates that fruited were obtained from conifers and one (NABS IX) from a hardwood. This seems to be the first report of in vitro production of basidiomes by NABS VII, IX, and X.

Keywords: Biological species, basidiomes, basidiocarps, sporophores

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Citation

Reaves, Jimmy L.; McWilliams, Michael.  1991.  In vitro fruiting of Armillaria species..   Res. Note PNW-RN-505. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 7 p