Loblolly Pine Seed Dispersal
During the fall and winter of 1936-37 fifty seed traps, set up in a Latin square design in and adjacent to a 70-year-old loblolly pine stand in the Duke Forest, Durham, N. C., were examined weekly. Loblolly pine seed fall started on October 14, 1936 and continued until the week of June 23, 1937. Maximum seed fall occurred during the week of November 18. Examination of the data indicated that dry windy periods contributed to a seed fall heavier than would otherwise be expected. The fall of seed was heaviest under the uncut stand and was lightest in traps on the leeward side of a clear cut strip, even though the row of traps was adjacent to an uncut stand. The viability of the trapped seeds was greatest early in the season and diminished as the season progressed. Position of the seed traps on the area studied apparently had little effect on viability of seeds trapped.
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Document Type: Journal Article
Affiliations: Director, Dnke Forest, Duke University, Durham, N. C.
Publication date: 1938-05-01
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