Chromosome number count of some species of Centaurea L. sect. Cynaroides Boiss. (Asteraceae) in Iran
سال انتشار: 1397
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 426
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شناسه ملی سند علمی:
BIOCONF20_580
تاریخ نمایه سازی: 28 اردیبهشت 1398
چکیده مقاله:
The genus Centaurea L. is one of the important genera that include 400 to 700 species in the world. The purpose of this study was to chromosome number count of three species of Centaurea sect. Cynaroides Boiss. from Iran. For this purpose, after the germination of the seeds, the end portion of the root was cut off and after the staining process, the metaphase plates was prepared by squashing method. In this study, the chromosome number obtained in C. alfonsoi Negaresh (2n=18), C. imperialis Hausskn. ex Bornm. (2n=18) and C. regia Boiss. subsp. cynarocephala (Wagenitz) Wagenitz (2n=18). Among these, the later species chromosome count was in the world for the first time whereas other taxa counts confirm previous reports and it indicates the chromosomal number stability in other populations of these taxa
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نویسندگان
Soroor Shamouni
Department of Biology, Faculty of sciences, Shahid Chamran University of Ahvaz
Mohammad Reza Parishani
Department of Biology, Faculty of sciences, Shahid Chamran University of Ahvaz
Kazem Negaresh
Department of Horticulture, Faculty of Agriculture, Khuzestan Agricultural Sciences and Natural Resources University