Abstract
Eighty megagametaphytes from each of 24 Scots pines (Pinus sylvestris L.) were subjected to horizontal starch gel electrophoresis. The trees were from crosses among widely separated provenances, and each was polymorphic for 8 to 14 loci. Evidence for linkage among 275 two-locus combinations was tested using chi-square analysis. Data from different trees were pooled to calculate map distances for the species. Nineteen of the twenty-nine loci tested were linked in one of six groups; the groups varied in size from two to seven loci. Similarities in linkage relationships among Scots pine, other pines, and other species within the Pinaceae support karyological research that suggests extensive conservation of the conifer genome.
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This is Paper No. 7533 in the Journal Series of the Pennsylvania Agricultural Experiment Station. This research was supported by funds from USDA Regional Research Project NE-27 while the senior author was a Master of Science candidate at Pennsylvania State University.
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Niebling, C.R., Johnson, K. & Gerhold, H.D. Electrophoretic analysis of genetic linkage in Scots pine (Pinus sylvestris L.). Biochem Genet 25, 803–814 (1987). https://doi.org/10.1007/BF00502600
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DOI: https://doi.org/10.1007/BF00502600