The adaptation of natural plant populations to chronic irradiation due to the accident at the Chernobyl Atomic Electric Power Station

Dmitrieva, S.A.

Tsitologiia i Genetika 30(4): 3-8

1996


ISSN/ISBN: 0564-3783
PMID: 9005634
Document Number: 464697
The effects of plant seed additional irradiation in the 8th and 9th post-Chernobyl reproduction were studied by the test "chromosome aberrations in seedling root meristem". In most of plant species investigated, seeds developed in the radiocontaminated zone were more radiosensitive than those from the "clean" zone. This fact shows the lack of adaptation to chronic irradiation and the availability of the potential genetic lesions that are realized into mutations under the influence of extreme factors. The effects of seed additional irradiation in some plant species indicate an increase in plant radioresistance.

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