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    Author(s): J.J. Jokela; C.L. Cyr
    Date: 1977
    Source: In: Proceedings of the Thirteenth Lake States Forest Tree Improvement Conference; Gen. Tech. Rep. NC-50. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Forest Experiment Station. 100-106
    Publication Series: General Technical Report (GTR)
    Station: North Central Research Station
    PDF: View PDF  (117.97 KB)

    Description

    Growth and survival of 20 provenances of northern white-cedar in the nursery and to age 12 in 3 test plantings in east central Illinois were examined. Survival at age 12 exceeded 95 percent in all tests. Total height differed significantly among provenances at age 4 in the nursery and at greater ages in all tests except after the first and second growing seasons following extensive and severe foliage injury during the winter of 1970-71. Height rankings of provenances varied between test sites and with age on the same site. Provenances from isolated occurrences south of the main range of the species were shortest at age 12. Lack of a well defined geographic pattern of variation may reflect the influence of localized lowland and upland ecotypes. The excellent performance of the species in all tests supports its use for a variety of types of barrier and shelter plantings.

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Jokela, J.J.; Cyr, C.L. 1977. Performance of northern white-cedar in central Illinois. In: Proceedings of the Thirteenth Lake States Forest Tree Improvement Conference; Gen. Tech. Rep. NC-50. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Forest Experiment Station. 100-106

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