Botanica Pacifica

Chromosome studies

Botanica Pacifica. A journal of plant science and conservation 2023. Preprint
Article first published online: 09 MAY 2023 | DOI: 10.17581/bp.2023.12118

Chromosome numbers in 31 taxa of Asteraceae, Brassicaceae, Poaceae, Hypericaceae, Lamiaceae, Fabaceae and Plantaginaceae from wetlands of Hamadan region in Iran

Hamideh Javadi 1 ORCID & Keivan Safikhani 2 ORCID

1 Gene Bank of Research Institute of Forests and Rangelands, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran
2 Forests and Rangelands Research Department, Hamedan Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Hamedan, Iran

In this study, we report the somatic chromosome numbers (2n) of 31 taxa belonging to Asteraceae, Brassicaceae, Poaceae, Hypericaceae, Lamiaceae, Fabaceae and Plantaginaceae families from wetlands of Hamadan region in Iran. The chromosome numbers of about half of these species have not been reported in the previous literature. Chromosome number of Ononis spinosa counted chromosomally for the first time at the world level and the chromosome numbers of Erigeron acer, Pulicaria dysenterica, Arctium lappa, Xanthium strumarium, X. spinosum, Barbarea plantaginea, Brachypodium sylvaticum, Polypogon fugax, Prunella vulgaris and Lathyrus chloranthus, are here reported for the first time from Iran. In all taxa 2n was 12, 14, 16, 18, 20, 24, 28, 30, 32 and 42, as a diploid, tetraploid and hexaploid levels. These newly available data are further compared with those previously published for the same or related species.

Джавади Х., Сафихани К. Профиль хромосомных чисел в 31 таксоне Asteraceae, Brassicaceae, Poaceae, Hypericaceae, Lamiaceae, Fabaceae и Plantaginaceae из водно-болотных угодий региона Хамадан в Иране. В данном исследовании мы сообщаем о соматических хромосомных числах (2n) 40 видов, принадлежащих к семействам Asteraceae, Brassicaceae, Poaceae, Hypericaceae, Lamiaceae, Fabaceae и Plantaginaceae из водно-болотных угодий региона Хамадан в Иране. Хромосомные числа примерно половины этих видов не были представлены в предыдущей литературе. Хромосомное число Ononis spinosa подсчитано впервые, а хромосомные числа Erigeron acer, Pulicaria dysenterica, Arctium lappa, Xanthium strumarium, X. spinosum, Barbarea plantaginea, Brachypodium sylvaticum, Polypogon fugax, Prunella vulgaris и Lathyrus chloranthus впервые сообщаются из Ирана. Во всех таксонах 2n было 12, 14, 16, 18, 20, 24, 28, 30, 32 и 42, как диплоидный, так тетраплоидный и гексаплоидный уровни. Эти вновь полученные данные далее сравниваются с ранее опубликованными для тех же или родственных видов.

Keywords: chromosome number, cytogenetics, Hamadan, Iran, wetland plant, число хромосом, цитогенетика, Хамадан, Иран, водно-болотное растение



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