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    Author(s): Rosi Dagit; A. James Downer
    Date: 2002
    Source: In: Standiford, Richard B., et al, tech. editor. Proceedings of the Fifth Symposium on Oak Woodlands: Oaks in California's Challenging Landscape. Gen. Tech. Rep. PSW-GTR-184, Albany, CA: Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture: 369-380
    Publication Series: General Technical Report (GTR)
    Station: Pacific Southwest Research Station
    PDF: View PDF  (750 KB)

    Description

    A total of 62 coast live oaks (Quercus agrifolia) were monitored since they were initially boxed for transplantation in 1993. At that time, only branches injured during the moving process and deadwood were removed, leaving the entire canopy intact. This was a departure from the usual transplanting methodology that traditionally removes up to 70 percent of the canopy in order to compensate for the massive root loss incurred during boxing. To date, survival of non-pruned trees has exceeded that of a cohort of 25 transplanted oaks that received the standard canopy reduction. A discussion of the impacts of pruning and transplanting on diameter growth, canopy condition and overall health and vigor of the transplanted oak trees is provided.

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    Citation

    Dagit, Rosi; Downer, A. James 2002. To prune or not to prune: responses of coast live oaks (Quercus agrifolia to canopy retention during transplanting. In: Standiford, Richard B., et al, tech. editor. Proceedings of the Fifth Symposium on Oak Woodlands: Oaks in California''s Challenging Landscape. Gen. Tech. Rep. PSW-GTR-184, Albany, CA: Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture: 369-380

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