Genetic control of allozyme variants in mature tissues of white spruce trees

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Abstract
A method for extracting enzymes from mature tissues of coniferous species was applied to 280 progeny from a controlled mating scheme involving five white spruce (Picea glauca (Moench) Voss) trees. Formal analysis of the genetic control of allozyme polymorphisms at six loci was made with this material. Numerous other loci lacking variation among parental trees also were investigated. Genotyplc expression of isozyme loci in two types of diploid tissues and one source of haploid tissue from these plants was consistent for those enzyme loci that were common to all tissue types.