NEW CHROMOSOME COUNTS IN COUSINIA (ASTERACEAE, CARDUEAE) SECTIONS CYNAROIDEAE AND STENOCEPHALAE FROM IRAN

Document Type : Research Paper

Author

Research / Department of Botany, Iranian Research Institute of Plant Protection, P. O. Box 1454, Tehran 19395, Iran

Abstract

Meiotic chromosome counts are reported for eight species of Cousinia belonging to sections Cynaroideae Bunge and Stenocephalae Bunge. All counts are new to science. The new count for C. recurvata (sect. Stenocephalae), modified the previous count and shows a uniform basic chromosome number of x = 13 for the section. Our chromosome counts for the sect. Cynaroideae also support the unique basic chromosome number of x = 12 within the section.

Keywords

Article Title [Persian]

شمارش کروموزومی جدید از جنس Cousinia (sect. Stenocephalae, Cynaroideae) در ایران

Author [Persian]

  • سیده باهره جوادی
مربی پژوهش / مؤسسه تحقیقات گیاهپزشکی کشور.
Abstract [Persian]

عدد کروموزومی هشت گونه از جنس Cousinia   متعلق به دو بخشه Cynaroideae Bunge و Stenocephalae Bunge  برای اولین بار گزارش می‌گردد. شمارش کروموزومی جدید انجام‌شده برای گونه C. recurvata از بخشه Stenocephalae، گزارش کروموزومی قبلی را اصلاح نموده و نشان می‌دهد که عدد کروموزومی منحصر به فرد در این بخشx = 13  می‌باشد. اعداد کروموزومی گزارش شده در این مقاله در خصوص بخش Cynaroideae در واقع تاییدی بر وجود تنها یک عدد کروموزومی،x = 12 ، در این بخش است.

Keywords [Persian]

  • chromosome number
  • new reports
  • Cousinia
  • Iran

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History

  • Receive Date: 18 May 2011
  • Revise Date: 31 December 2011
  • Accept Date: 21 February 2012

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