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Vegetos

Journal: Vegetos- An International Journal of Plant Research

Article DOI :
Year :2009, Volume : 22, Issue :2
First page : (51) Last page : (57)
Print ISSN : 0970-4078. Online ISSN : 2229-4473.


RESEARCH ARTICLE
A SOCIETY FOR PLANT RESEARCH PUBLICATION

Chromosomal Manifestation in Ten Selected Members of Family Asteraceae from Chandigarh (India)

Sidhu* MC, Namita, Kumari S, Azad N

Department of Botany, Punjab University, Chandigarh–160 014, India.

Ten species {Chrysanthemum coronarium L., Calendula officinalis L., Eclipta alba Hassk., Launaea nudicaulis (L.) Hook. f., Lactuca sativa L., Saussurea candicans Clarke, Silybum marianum (L.) Gertn., Tridax procumbens L., Vernonia cinerea (L.) Less, and Youngia japonica (L.) DC.} of family Asteraceae were examined for their chromosome number, pairing behaviour, ploidy level and meiotic irregularities. The basic chromosome number in these species varied from x = 7 to 18. Meiotic abnormalities in the form of quadrivalents/univalents and unequal distribution at anaphase stage have been observed. Results have been evaluated and discussed.




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