Chromosome numbers report of five endemic Astragalus L. (Fabaceae) species of Iran

Document Type : Research Paper

Authors

1 Natural Resources Research Department, Isfahan Agricultural and Natural Resources Research and Education Center, AREEO, Isfahan, Iran

2 Prof., Research Institute of Forests and Rangelands, Agricultural Research, Education and Extension Organization, AREEO, Tehran, Iran.

Abstract

Chromosome counts of five species of the genus Astragalus including A.campylanthus and A. susianus from sect. Campylanthus; A. callistachys, A. fragiferus, and A. microphysa from sect. Microphysa, are reported for the first time. Three of the studied species including A.campylanthus (2n=2x=16), A. susianus (2n=2x=16), and A. microphysa (2n=2x=16) were diploid and 2 species including A. callistachys (2n=4x=32) and A. fragiferus (2n=4x=32) were tetraploid. A basic chromosome number of x=8 was confirmed for investigated species. Karyotypic analyses of all species are presented.

Keywords

Article Title [Persian]

گزارش اعداد کروموزومی برای پنج گونه انحصاری Fabaceae) Astragalus) از ایران

Authors [Persian]

  • آزاده اخوان روفیگر 1
  • عادل جلیلی 2
1 بخش تحقیقات منابع طبیعی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان اصفهان، سازمان تحقیقات، آموزش و ترویج کشاورزی، اصفهان، ایران
2 استاد پژوهش، مؤسسه تحقیقات جنگلها و مراتع کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران، ایران
Abstract [Persian]

عدد کروموزومی پنج گونه از جنس گون شامل گونه‌های A. campylanthus و A. susianus از بخش Campylanthus و A. callistachys، A. fragiferus و A. microphysa از بخش Microphysa برای اولین بار گزارش می‌شوند. سه گونه شامل گونه‌های A. campylanthus (2n=2x=16)،A. susianus (2n=2x=16)  و A. microphysa (2n=2x=16) دیپلوئید و دو گونه شامل گونه‌های A. callistachys (2n=4x=32) و A. fragiferus (2n=4x=32) تتراپلوئید بودند. عدد پایه کروموزومی x=8 برای تمام گونه‌های مطالعه شده مورد تأئید قرار گرفت. تحلیل کاریوتایپی تمام گونه‌ها ارائه می‌شوند.

Keywords [Persian]

  • Astragalus
  • Leguminosae
  • Flora of Iran
  • cytotaxonomy
  • chromosome counts
  • endemic species

References

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The Iranian Journal of Botany
Volume 27, Issue 2
December 2021
Pages 177-181

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History

  • Receive Date: 22 August 2021
  • Revise Date: 11 October 2021
  • Accept Date: 25 October 2021

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