2018
DOI: 10.14258/turczaninowia.21.1.16
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Cytogenetic polymorphism of seed progeny of introduced plants on the example of Rhododendron ledebourii Pojark.

Abstract: Аннотация. Проведено исследование цитогенетического полиморфизма семенного потомства рододендрона Ледебура (Rhododendron ledebourii Pojark.) в условиях Центрального Черноземья. По совокупности цитогенетических показателей проростки разделены на группы, различающиеся по степени стабильности генетического материала (слабомутабильная, мутабильная и промежуточные). Дана цитогенетическая характеристика каждой выделенной группы. У семенного потомства мутабильной группы выявлено снижение митотической активности (6,7 … Show more

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Cited by 2 publications
(4 citation statements)
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“…In anaphase and telophase, persistent nucleoli were usually pushed to one of the poles of the cell. The appearance of persistent nucleoli in dividing cells was probably due to compensatory protein synthesis necessary for maintaining normal mitosis (Butorina et al, 1997;Burmenko et al, 2018). It should be noted that this functional impairment was rather rare in walnut cells in comparison with other studied deciduous species, which confirms the assumption about the stability of the cell division processes under natural conditions new to the species.…”
Section: Resultsmentioning
confidence: 72%
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“…In anaphase and telophase, persistent nucleoli were usually pushed to one of the poles of the cell. The appearance of persistent nucleoli in dividing cells was probably due to compensatory protein synthesis necessary for maintaining normal mitosis (Butorina et al, 1997;Burmenko et al, 2018). It should be noted that this functional impairment was rather rare in walnut cells in comparison with other studied deciduous species, which confirms the assumption about the stability of the cell division processes under natural conditions new to the species.…”
Section: Resultsmentioning
confidence: 72%
“…High indices of this criterion were also found in the study of polymorphism based on cytogenetic indices in seedlings of another introduced speciesrhododendron belonging to the mutable group. This phenomenon is considered as being a frequent case of increased nucleolar activity and is the mechanism providing the adaptation to adverse environmental conditions (Butorina et al, 1997;Burmenko at al., 2018). In the mutable group of seedlings, there is a whole spectrum of nucleoli types described for the walnut seedlings.…”
Section: Resultsmentioning
confidence: 99%
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“…It has been reported about the antioxidant activity in Rhododendron leaves, connections between this characteristic in maternal plant and the cytogenetic structures in the seedlings of the Rhododendron species (Vostrikova et al, 2022). Cytogenetic polymorphism of seed progeny of introduced plants has been studied on the example of Rhododendron ledebourii (Burmenko et al, 2018). It has been revealed the high seeds quality.…”
Section: Introductionmentioning
confidence: 99%