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Cytological Studies of Irregular Meiotic Behavior on Some Medicinal Plants: in Al-Anbar, Iraq. | ||
| Iraqi Journal of Science | ||
| Article 1, Volume 56, Issue 3, 2015, Pages 2585-2594 | ||
| Author | ||
| Naji Swadi Nasser | ||
| Abstract | ||
| The present study on some wild medical taxa has been carried out from the cytological view-points by using iron-acetocarmine squashtechnique.The chromosome numbers of Diplotaxis harra n=13, Eruca sativa n=11, both Carduus pycnocephallus n=29 and Datura stramonium n=10 were the new reports. Avariety of abnormal Chromosomal behaviours including, early & late disjunction, laggards, bridges, stickiness, and disturbed polarity were observed, albite with low frequency. All sorts of chromosomal abnormalities were counted at I &II meiotic stages. The stickiness frequency was slightly higher than others abnormalities in most stages, The highest stickiness numbers were noted in telophase I/II of D. harra (8.88%), C. pycnocephalis (4.25%), and in metaphase I/II of E. sativa (8.68%), D. strumonium (8.29%). The medical plant wild type used as natural genetic resources. | ||
| Keywords | ||
| cytological studies; Medicinal plants; Karyotypes; chromosomal abnormality | ||
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