Abstract
The genus Populus (poplars and aspens) belong to the family Salicaceae, which is characterized by the dioecious nature of its trees, that is, male and female flowers are borne on separate trees. The somatic cells of poplars and aspens carry 2n=38 chromosomes, although triploids (2n=57) and tetraploids (2n=76) have been reported in certain species of the genus Populus[35]. In a recent study, the chromosomes of Populus tremula have been characterized by employing C-banding technology [33]. The karyotype consists of rather small 36 chromosomes, and a relatively large and distinct chromosome pair, which is almost completely heterochromatic and may possibly be involved in sex determination [33]. However, detailed cytogenetic studies would be necessary in the genus Populus for a better understanding of the karyotype and sex determination.
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Ahuja, M.R. (1993). Regeneration and germplasm preservation in aspen-Populus . In: Ahuja, M.R. (eds) Micropropagation of Woody Plants. Forestry Sciences, vol 41. Springer, Dordrecht. https://doi.org/10.1007/978-94-015-8116-5_11
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DOI: https://doi.org/10.1007/978-94-015-8116-5_11
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