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    Author(s): Harold R. Offord
    Date: 1966
    Source: Res. Paper PSW-RP-36. Berkeley, CA: Pacific Southwest Forest & Range Experiment Station, Forest Service, U. S. Department of Agriculture; 14 p
    Publication Series: Research Paper (RP)
    Station: Pacific Southwest Research Station
    PDF: View PDF  (483 KB)

    Description

    Sequential sampling based on a negative binomial distribution of ribes populations required less than half the time taken by regular systematic line transect sampling in a comparison test. It gave the same control decision as the regular method in 9 of 13 field trials. A computer program that permits sequential plans to be built readily for other white pine regions is described.

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    Citation

    Offord, Harold R. 1966. Sequential sampling of ribes populations in the control of white pine blister rust (Cronartium ribicola Fischer) in California. Res. Paper PSW-RP-36. Berkeley, CA: Pacific Southwest Forest & Range Experiment Station, Forest Service, U. S. Department of Agriculture; 14 p

    Keywords

    Cronartium ribicola, ribes surveys, sampling theory, sequential sampling, costs

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