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  1. Pine Root Collar Weevil Hazard Zones for Red Pine in Lower Michigan

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    Author(s): Louis F. Wilson; Patrick C. Kennedy
    Date: 1970
    Source: Research Note NC-104. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
    Publication Series: Research Note (RN)
    Station: North Central Research Station
    PDF: View PDF  (468.93 KB)

    Description

    The Lower Peninsula of Michigan is divided into low, medium, and high hazard zones by degree of potential weevil damage. New plantings should be established no closer than I mile from a weevil infestation in the high hazard zone or no closer than ? mile in the medium hazard zone to lessen the probability of those plantings becoming heavily infested.

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    Citation

    Wilson, Louis F.; Kennedy, Patrick C. 1970. Pine Root Collar Weevil Hazard Zones for Red Pine in Lower Michigan. Research Note NC-104. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station

    Keywords

    weevil, Michigan, red pine, pine root

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