NDLI: Detecting hybridization in mixed populations ofRhinanthus minor andRhinanthus angustifolius

Content Provider	Springer Nature Link
Author	Ducarme, Véronique Wesselingh, Renate A.
Copyright Year	2005
Abstract	Rhinanthus minor andRhinanthus angustifolius are known to hybridize in mixed populations in nature. These hybridization events can have important evolutionary consequences. The development and use of species-specific RAPD and ISSR markers allowed the detection of hybrid individuals not always distinguishable with morphological characters. Two mixed populations of different ages were studied. In a young mixed 2-year-old population, both individuals of the two parental species and F$_{1}$ hybrids were found using genetic analysis, showing that hybridization occurred rapidly. Flower morphology of F$_{1}$ hybrids was too variable to distinguish all these hybrids from the parental species. This morphological variability of F$_{1}$ hybrids was also confirmed in artificial crosses in the greenhouse. In an old and no longer mixed 30-year-old population, onlyR. angustifolius plants and a few genetically introgressed individuals close toR. angustifolius were present. Genetic markers showed traces of past hybridization and introgression. Unidirectional introgression ofR. minor intoR. angustifolius with the complete disappearance ofR. minor from this population was observed.
Starting Page	151
Ending Page	161
Page Count	11
File Format	PDF
ISSN	12119520
Journal	Folia Geobotanica
Volume Number	40
Issue Number	2-3
e-ISSN	18749348
Language	English
Publisher	Springer Netherlands
Publisher Date	2005-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Genetic markers Introgression ISSR Morphology Orobanchaceae RAPD Species-specific markers Life Sciences Plant Sciences Plant Systematics/Taxonomy/Biogeography Plant Ecology
Content Type	Text
Resource Type	Article
Subject	Plant Science Paleontology

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