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Geographical Variation in the Terpene Composition of the Leaf Oil of Douglas Fir,
NATIONAL RESEARCH COUNCIL OF CANADA SASKATOON (SASKATCHEWAN) PRAIRIE REGIONAL LAB
Pagination or Media Count:
The two forms of Douglas fir, Pseudotsuga menziesii var. menziesii and var. glauca, differ quite considerably with regard to the monoterpenes of their leaf oils. Several chemical races, differing quantitatively in certain monoterpenes, appear to exist in each variety and the leaf oil composition seems to be particularly useful in classifying intermediate forms. Author
APPROVED FOR PUBLIC RELEASE