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Sorting Loblolly Pine Orchard Seeds by Size for Containerized Seedling Production

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Abstract:

Sorting of a bulked loblolly pine (Pinus taeda L.) orchard seed lot into four different size classes did not result in seedlings from any one class having a consistent growth advantage. Larger seeds displayed the lowest total germination but yielded as large or larger containerized seedlings 12 weeks after sowing. Seed size had no effect on field survival. Total height and height growth over a three-year period in the field were not consistently affected by seed size, although large seeds tended to yield slower-growing seedlings. Uniformity in sowing and subsequent uniformity in growing space seems to be the major justification for sizing loblolly seeds for containerized seedling operations.

Document Type: Journal Article

Affiliations: Production Technologist (this work conducted while holding position of seed scientist), Weyerhaeuser Company, Hot Springs, Arkansas

Publication date: May 1, 1982

More about this publication?
  • Each regional journal of applied forestry focuses on research, practice, and techniques targeted to foresters and allied professionals in specific regions of the United States and Canada. The Southern Journal of Applied Forestry covers an area from Virginia and Kentucky south to as far west as Oklahoma and east Texas.
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