Inheritance of isozyme variants and their linkage relationships in Chinese fir (Cunninghamia lanceolata Hook.) |
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| Authors: | Thomas Geburek Qihe Wang |
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| Affiliation: | (1) Institute of Forest Genetics and Forest Tree Breeding, Sieker Landstr. 2, D-2070 Grosshansdorf 2, FRG;(2) Sichuan Research Institute of Forestry, 344 Jinhua Street, Chengdu, People's Rep. of China |
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| Abstract: | Summary 49 single-clone seed samples of Chinese fir (Cunninghamia lanceolata) were used to investigate genetic variation for nine enzyme systems. LAP, PGM, and SOD were invariant, whereas GDH, GOT, IDH, MDH, 6PDH, and SKDH were highly variable. Inheritance patterns of the variable enzyme systems were mostly in accordance with Mendelian expectations. Linkage was studied by analysing 43 two-locus combinations with the following two-locus combinations significantly linked in at least 50% of the respective double-heterozygous clones: Gdh1: Got3; Gdh1: Idh1; Got2: 6Pdh2; Idh2: Skdh1; Mdh1: 6Pdh1. Estimates of recombination frequencies for each locus pair varied considerably among clones.Supported by the Carl Duisberg Gesellschaft. |
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| Keywords: | Cunninghamia lanceolata Chinese fir inheritance pattern electrophoresis isozymes genetic linkage |
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