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    Author(s): N. Stark
    Date: 1964
    Source: Res. Note PSW-RN-045. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 6 p
    Publication Series: Research Note (RN)
    Station: Pacific Southwest Research Station
    PDF: View PDF  (346.74 KB)

    Description

    Eight hybrid and native pines were planted in 1950 on three locations of the Stanislaus-Tuolumne Experimental Forest. Height, diameter, and survival data were recorded annually. Physical injuries from snow, insects,and animals were surveyed in 1962. After 12 years, the most promising hybrid at 5,200 and 5,400 feet elevation was Jeffrey x (Jeffrey x Coulter). This backcross hybrid showed little damage from insects, snow, or porcupines.

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    Citation

    Stark, N. 1964. Field test of hybrid pines in central California. Res. Note PSW-RN-045. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 6 p

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