Early results of the Douglas-fir cooperative progency test
In 1969, a cooperative progeny test of Douglas-fir, Pseudotsuqa menzies-ii (Mirb.) Franco, was initiated to evaluate the growth performance of progeny from selected plus trees. Using height data measured in 19 75, it is shown that the mean height of plus tree progeny is significantly greater than t...
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| Language: | English |
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2010
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| Online Access: | http://hdl.handle.net/2429/20861 |