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Effects of spring defoliation on first-year growth of young loblolly and slash pinesAuthor(s): David R. Weise; Ragnar W. Johansen; Dale D. Wade
Source: Research Note SE-347. USDA-Forest Service, Southeastern Forest Experiment Station. 4 p
Publication Series: Research Note (RN)
Station: Southeastern Forest Experiment Station
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DescriptionPartial and complete spring defoliation reduced first-year diameter, height, and volume growth of 4-year-old loblolly and slash pines. Early and late growth differed significantly between defoliation levels (P=0.05). However, the number of height growth flushes produced during the 1986 growing season was not affected by defoliation treatments. No mortality occurred during 1986. Mean volume growth loss of the 100-percent defoliated trees was 68 and 56 percent, respectively, for loblolly and slash pines.
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CitationWeise, David R.; Johansen, Ragnar W.; Wade, Dale D. 1987. Effects of spring defoliation on first-year growth of young loblolly and slash pines. Research Note SE-347. USDA-Forest Service, Southeastern Forest Experiment Station. 4 p.
KeywordsPinus elliottii, Pinus taeda, crown scorch, fire damage, growth effects
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