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- Title
Karyological analysis of bitter gourd (Momordica charantia L., Cucurbitaceae) from Southeast Asian countries.
- Authors
Kausar, Nadia; Yousaf, Zubaida; Younas, Afifa; Ahmed, Hafiza Sadia; Rasheed, Madiha; Arif, Ayesha; Rehman, Hafiza Ayesha
- Abstract
Momordica charantia L. (Cucurbitaceae) is a commonly cultivated functional food plant. In the present study, karyological variation among 34 accessions of M. charantia originating from the Indian subcontinent (Bangladesh, India and Pakistan) and Thailand was evaluated. Ploidy levels ranging from diploid (2n = 22) to hexaploid (2n = 66) were observed. Hexaploidy in M. charantia is reported herein for the first time. Chromosome length ranged from 0.8 to 2.9 μm. The hexaploid accessions had submetacentric and subtelocentric chromosomes. All accessions harboured median and submedian chromosomes. Only one hexaploid accession (TOT1140) had chromosomes with subterminal centromeres. There was considerable variation in chromosome length and chromosome arm ratio.
- Subjects
SOUTHEAST Asia; MOMORDICA charantia; CULTIVATED plants; PLANT variation; PLANT chromosomes; PLANT centromere
- Publication
Plant Genetic Resources: Characterisation & Utilisation, 2015, Vol 13, Issue 2, p180
- ISSN
1479-2621
- Publication type
Article
- DOI
10.1017/S147926211400077X