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    Author(s): D. V. Shaw; R. W. Allard
    Date: 1981
    Source: Gen. Tech. Rep. PSW-GTR-48. Berkeley, CA: Pacific Southwest Forest and Range Exp. Stn, Forest Service, U.S. Department of Agriculture: p. 18-22
    Publication Series: General Technical Report (GTR)
    Station: Pacific Southwest Research Station
    PDF: View PDF  (284 KB)

    Description

    Two methods of estimating the proportion of self-fertilization as opposed to outcrossing in plant populations are described. The first method makes use of marker loci one at a time; the second method makes use of multiple marker loci simultaneously. Comparisons of the estimates of proportions of selfing and outcrossing obtained using the two methods are shown to yield additional information about inbreeding and the genetic structure of populations. Single-locus estimates of the proportion of selfing in Douglas-fir were heterogeneous over marker loci and lower than estimates obtained with the multilocus estimator. Family structure and/ or microhabitat selection were discussed as likely causes of the biased estimates of the proportion of selfing obtained from the single-locus estimation procedure.

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    Citation

    Shaw, D. V.; Allard, R. W. 1981. Analysis of mating system parameters and population structure in Douglas-fir using single-locus and multilocus methods. Gen. Tech. Rep. PSW-GTR-48. Berkeley, CA: Pacific Southwest Forest and Range Exp. Stn, Forest Service, U.S. Department of Agriculture: p. 18-22

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