Soil Moisture Stress and Tracheid Length in Loblolly Pine
Little has been reported on the effect of environmental factors upon tracheid lengths in pines. Wellwood (1960) found no effect of site upon tracheid lengths in western hemlock, and Goggans (1961) concluded, after reviewing the literature, that environmental factors account for very little of the between tree variations that is found in tracheid lengths. On the other hand, Goggans(1962) concluded that summerwood tracheid length is correlated with heredity.
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Author(s): A. R. Gilmore
Publication: Tree Improvement and Genetics - Southern Forest Tree Improvement Conference - 1969