Studies on the probable origin of some European douglas-fir (Pseudotsuga menziesii [Mirb.] Franco) plantations
In Europe, the origin of older Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco) plantations is generally unknown. The tracing of the probable origin of one Swiss and twenty Polish Douglas-fir stands was attempted. Cone and seed characteristics were measured on material collected from all twenty-o...
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| Language: | English |
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University of British Columbia
2011
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| Online Access: | http://hdl.handle.net/2429/32508 |