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Title: Fibril angle of loblolly pine wood as related to specific gravity, growth rate, and distance from pith
Author: McMillin, C.W.;
Source: Wood Science and Technology 7(251-255
Publication Series: Miscellaneous Publication
Description: Fibril angles were greater for earlywood (avg. 33.4°) than for latewood tracheida (avg. 26.9°). For earlywood, fibril angle did not differ between growth rates when the specific gravity was low (avg. 33.3°). When the specific gravity was high, wood of fast growth had a higher fibril angle (avg. 35.1.°) than wood of slow growth (avg. 32.0°). No differences were detected between core, middle, and outer wood. In latewood tracheida, fibril angles were greater in corewood (avg. 28.0°) than in middle or outer wood (avg. 26.3°). For whole wood (a weighted average of earlywood and latewood), fibril angle averaged 30.7° and was greater in corewood (avg. 32.2°) than in middle or outer wood (avg. 29.9°).
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McMillin, C.W. 1973. Fibril angle of loblolly pine wood as related to specific gravity, growth rate, and distance from pith. Wood Science and Technology 7(251-255
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