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Muratova E. N., Vladimirova O. S.
Additional Chromosomes in the Karyotin of Siberian Spruce P. obovata
TSitologiia i genetika 2001, v 35, Issue 4, 38-44
Results of karyological study of ornamental forms of Picea obovata Ledeb. are presented. Typical chromosome number (2n) is 24, but some trees have one or two additional chromosomes (2n = 24 + 1B; 2n = 24 + 2B). Heritability of additional chromosomes, pollen fertility, morphological features of cones, and seed quality in trees with and without additional chromosomes were studied. System of B-chromosomes is of importance for population and species adaptation and possibly plays a role in adaptation of P. obovata under introduction.
Muratova E. N., Vladimirova O. S. Additional Chromosomes in the Karyotin of Siberian Spruce P. obovata // Tsitol Genet. – 2001. – 35(4). – P. 38-44.
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