NDLI: Polyploidy, alien species and invasiveness in Polish angiosperms

Content Provider	Springer Nature Link
Author	Góralski, Grzegorz Judasz, Andrzej Gacek, Paulina Grabowska Joachimiak, Aleksandra Joachimiak, Andrzej J.
Copyright Year	2013
Abstract	Chromosome numbers, mainly for Polish flora, were examined in order to investigate whether such features as chromosome numbers and polyploid frequencies are correlated with a plant’s origin (native vs. alien) and invasiveness. Polyploid frequencies were estimated using three methods: the 11 and 14 thresholds and the 3.5 x value. Comparisons of the 2n values were done on different levels: in all angiosperms and in dicots and monocots separately. Invasive and non-invasive plants were compared in the entire dataset and in alien species only. Significant differences in both chromosome numbers and polyploid frequencies between alien and native species were observed. In most cases, native plants had more chromosomes and were more abundant in polyploids than in alien species. Also, monocots had higher polyploid frequencies than dicots. Comparisons of invasive and non-invasive plants done for all of the data and only for alien species showed that invasive species generally had more chromosomes and polyploids were more frequent in them than in the latter group; however, these differences were not always statistically significant. Possible explanations for these observations are discussed.
Starting Page	225
Ending Page	238
Page Count	14
File Format	PDF
ISSN	03782697
Journal	Plant Systematics and Evolution
Volume Number	300
Issue Number	2
e-ISSN	16156110
Language	English
Publisher	Springer Vienna
Publisher Date	2013-07-27
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Invasiveness Alien species Chromosomes Polyploidy Evolution Plants Plant Sciences Plant Ecology Plant Anatomy/Development Plant Systematics/Taxonomy/Biogeography
Content Type	Text
Resource Type	Article
Subject	Plant Science Ecology, Evolution, Behavior and Systematics

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