Cytological Studies on Some Ecotypes of Nigella sativa L. in Iran

被引:6
|
作者
Shaker, Sahar Sajedi [1 ]
Mohammadi, Abdollah [1 ]
Shahli, Mahmood Khosro [2 ]
机构
[1] Islamic Azad Univ, Karaj Branch, Dept Plant Breeding, Karaj, Iran
[2] Islamic Azad Univ, Res & Sci Branch, Dept Plant Biotechnol, Tehran, Iran
关键词
Black seed; Karyotype; Chromosomal study; Iran;
D O I
10.1508/cytologia.82.123
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
The karyotype of six Iranian ecotypes of Nigella sativa, which is a member of the Ranunculaceae family, was studied. The results showed that all studied ecotypes contained 12 chromosomes (2n=2x=12). The karyotype formulas for the ecotypes are: G1 : 5m+1T, G2: 4m+1sm+1st, G3: 5m+1st, G4: 5m+1T, G5: 4m+1sm+1T and G6: 3m+2st+1sm. The total form percentages (TF%) of the ecotypes observed were as follows: G1 40.64, G2 41.04, G3 43.83, G4 41.36, G5 39.60, G6 38.94. The largest total haploid length was detected in G6 (51.76 mu m) while G4 demonstrated the least (32.56 mu m). The first two principal component analysis (PCA) justified over 89% of the total variations of cytological characteristics. UPGMA cluster analysis was carried out for chromosomal parameters which classified the studied ecotypes into five classes.
引用
收藏
页码:123 / 126
页数:4
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