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    Author(s): Gary L. DeBarr; John A. Williams
    Date: 1971
    Source: Res. Note SE-160. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station. 4 p.
    Publication Series: Research Note (RN)
    Station: Southeastern Forest Experiment Station
    PDF: View PDF  (135 KB)

    Description

    Nonlethal damage to female flowers of slash pine (Pinus elliottii Engelm.) by a thrips, Gnophothrips fuscus Morgan, was examined a Florida seed orchard. Thrips-damaged flowers developed into crooked mature cones with areas of sunken, deformed cone scales. Damaged cones were significantly shorter, yielded fewer total seed and filled seed per cone, and opened more poorly than undamaged cones.

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    Citation

    DeBarr, Gary L.; Williams, John A. 1971. Nonlethal Thrips Damage to Slash Pine Flowers Reduces Seed Yields. Res. Note SE-160. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station. 4 p.

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