Douglas-fir
Douglas-fir Wounding Study
Removal and study of select trees that have been scarred during thinning operations in prior years.
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Interrelationships Among Some Phenological, Genetic, and Wood Property Variables in Douglas-fir
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Douglas-fir Provenance Progeny
This study is the Interspecific Hybridization of the Genus Pseudotsuga and its genetic inheritance.
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Super seedling/Douglas-fir Provenance
This study is the Interspecific Hybridization of the genus Pseudotsuga and its genetic inheritance. This is a nursery selection of Douglas-fir for superior growth characteristics.
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Douglas-fir Provenance Progeny Study
Douglas-fir provenance progeny and individual experiments on: 1. Big cone Doug.-fir. 2. Formosan D.-fir. (Study of inheritant growth characteristics of these two species.) 3. Vegetative propagation study.
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Incompatibility of Grafting Studies of Douglas-fir
The project aims to produce a universally compatible rootstock for Douglas-fir grafting. The area is now a clone bank for unique Douglas-fir clones or good Christmas tree parents.
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Flower Induction on Douglas-fir
Flower induction on Douglas-fir.
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Reciprocal Planting of Douglas-fir Clones
An open field at the time of planting was planted with 10 clones from each of 4 areas. This area is one of the four locations.
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Release Thinning a 26-year-old Douglas-fir Stand by Machine and Hand Labor
Release thinning a 26-year-old Douglas-fir stand by machine and hand labor.
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Breeding Arboretum
To study the differences in Douglas-fir trees planted from seed sources throughout the Douglas-fir region.