Karyotypic investigation of Artemisia spp. from Kashan, Iran region

Document Type : Research Paper

Authors

1 Research Institute of Forests and Rangelands, P.O. Box 13185-116,Tehran, Iran

2 Research Institute of Forests and Rangelands, P.O. Box 13185-116,Tehran, Iran.

3 University of Payame Noor, Tehran, Iran.

Abstract

Five Artemisia species, including Artemisia scoparia, A. oliveriana, A. persica, A. aucheri and A.biennis were collected from Kashan, Iran. Apical meristem of seed radicles were prepared and mitotic cells for the karyotypic attributes at metaphase stage were measured. Different ploidy leveles were observed; the species. Artemisia scoparia, A. persica, A. biennis were diploid, while A. aucheri was tetraploid and A. oliveriana was hexaploid. The base chromosome number was x=8 or x=9. Several karyotypic symmetric parameters were estimated and Karyotipic idiograms of the species were also presented. The species showed nearly symmetric karyotypes. Polyploidyspecies had less karyotipic symmetry than diploids. Polyploid species belonged were collected from drought area, but diploid species were collected from marginal brooklets of studied Areas, while A. oliveriana was collected from dried and brackish habitats.

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References

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