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    Author(s): M. Thompson Conkle; Paul D. Hodgskiss; Lucy B. Nunnally; Serena C. Hunter
    Date: 1982
    Source: Gen. Tech. Rep. PSW-GTR-64. Berkeley, CA: Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture: 18 p
    Publication Series: General Technical Report (GTR)
    Station: Pacific Southwest Research Station
    PDF: Download Publication  (3.7 MB)


    This manual describes fast, low-cost biochemical procedures for separating enzymes representing numerous genes of forest trees. During electrophoresis the mixture of enzymes from a megagametophyte or embryo of a germinated seed separates in a gel. Specific stains applied to gel slices locate each enzyme. These procedures expand on those developed for crops research. They provide a means for forest geneticists to get urgently needed information on the amount and geographic distribution of genetic variation in conifers for evaluating species relationships, for protecting rare natural populations, and for deciding on breeding programs for commercial species. Electrophoresis of conifers is an alternative to long-term, high-cost field trials.

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    Conkle, M. Thompson; Hodgskiss, Paul D.; Nunnally, Lucy B.; Hunter, Serena C. 1982. Starch gel electrophoresis of conifer seeds: a laboratory manual. Gen. Tech. Rep. PSW-GTR-64. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 18 p.


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    technique, gametophytes, embryos, allozymes, eiectrophoresis

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