KARYOMORPHOLOGICAL STUDY OF SEVEN SPECIES OF THE GENUS ASTRAGALUS (FABACEAE) FROM IRAN

Document Type : Research Paper

Authors

1 Department of Horticulture, Karaj Branch, Islamic Azad University, Karaj, Iran

2 Research Institute of Forests and Rangelands, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran

3 Department of Horticulture, Karaj Branch, Islamic Azad University

Abstract

Karyomorphological study was carried out on 11 accessions from 6 sections belonging to 7 species of Astragalus growing in Iran. Chromosome numbers and karyotypes of two species (A. cephalanthus DC. and A. jacobsii Podlech) are new records. Two ploidy levels 2n = 2x = 16 and 2n = 4x = 32 were determined, the chromosomes size varied from 2.51 in A. cyclophyllos to 3.79 μm in A. fasciculifolius Boiss. in two accessions of A. cyclophyllos , a single pair satellite chromosomes were observed.
 

Keywords

Article Title [Persian]

مطالعه کاریومورفولوژیکی هفت گونه از جنس گون در ایران

Authors [Persian]

  • یاسمین شمس‌الشعرا 1
  • حمیده جوادی 2
  • سید مهدی میری 3
1 دانشجوی دکتری گروه باغبانی، واحد کرج، دانشگاه آزاد اسلامی، کرج، ایران
2 استادیار مؤسسه تحقیقات جنگل‌ها و مراتع کشور، سازمان تحقیقات و آموزش کشاورزی، تهران، ایران
3 گروه باغبانی دانشگاه آزاد اسلامی-واحد کرج
Abstract [Persian]

مطالعه سیتولوژیکی بر روی 11 نمونه متعلق به 6 بخش از 7 گونه Astragalus ایران انجام شد. تعداد کروموزوم‌ها و کاریوتایپ‌های دو گونه
 (A. cephalanthus DC. و A. jacobsii Podlech) گزارش‌های جدیدی هستند. دو سطح پلوئیدی دی و تتراپلوئیدی 2n = 2x = 16 و 2n = 4x = 32  تعیین و اندازه ­کروموزوم­ها از 51/2 میکرومتر در  A. cyclophyllos G. Beckتا 79/3 میکرومتر در A. ficiculifolius Boissمتغیر بود. در دو نمونه از گونه A. cyclophyllos، یک جفت ماهواره مشاهده شد.

Keywords [Persian]

  • Chromosome number
  • karyotype
  • cytogenetic
  • diversity
  • Fabaceae

References

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The Iranian Journal of Botany
Volume 26, Issue 2 - Serial Number 52
December 2020
Pages 172-178

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History

  • Receive Date: 10 January 2021
  • Revise Date: 12 April 2020
  • Accept Date: 10 July 2020

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