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Journal of Emerging Trends in Engineering and Applied Sciences (JETEAS)
ISSN:2141-7016
| Abstract: Medicinal and aromatic herbs and spices have been widely used for different medical and domestic purposes. Most of the medicinal and aromatic plant seeds have dormancy properties. Researchers are trying to change these properties of aromatic plants by using different methods.This study was performed, in the year 2010, to determine the effects of ? -irradiation germination velocity, germination rate and emergence ratios of the Thyme (Origanumonites) and Hyssop (Hyssopus officinalis) seeds. The seeds used in the research were supplied from plants grown in Cumra Vocational High School. 2.5 kGy, 4 kGy, 5.5 kGy and 7 kGy (except the control group) doses of ? -irradiation were applied on Thyme and Hyssop seeds. As a result of the experiments, germination and emergence ratios decreased inversely by increasing dose of ? -irradiation. For 7 kGy exposure dose, there was no germination observed in both of the seeds. Additionally, starting germination for both of the seeds delayed by increasing dose of ? -irradiation. Emergence rate for both of the seeds delayed by increasing dose of ? -irradiation. |
| Keywords: ? –irradiation, Vigor, Germination velocity, Germination rate, Medicinal and Aromatic plants |
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