A study was conducted on the morphological and chemical characteristics of (Laurus nobilis L.) in its natural habitat in Kasab (Latakia Governorate) and Ain Al-Krum (Al-Ghab).
2023
Dalal Yassin Al-Ibrahim
The research was conducted during the period (2018-2023) on wild individuals of the (Laurus nobilis L.) in (15) sites distributed over some natural sites that differ geographically and climatically among themselves in the northwestern region of Syria: Latakia (Kasab) and the central region: Hama (eastern foot of the coastal mountains). Overlooking the Al-Ghab Plain. Where the morphological and productive parameters of the fruits and seeds of bay leaves and the phenological characteristics (flowering, fruiting) were studied. With regard to chemical properties, the extent to which the leaves of the Laurus nobilis L. were studied to accumulate some metal elements (heavy and Micronutrients elements) in places exposed to environmental pollutants. The physiological criterion (sexual propagation) was also studied to determine the best treatments to improve the germination of laurel seeds, where the seeds were treated according to (7) treatments, namely: (T1) control, (T2) cold-wet mulching (25 days, (T3) coldwet mulching) 50 days, (T4) soaking with gibberellic acid (1000) ppm, (T5) soaking with gibberellic acid (3000) ppm, (T6) treatment with mechanical scarification, (T7) treatment with the seed coat removed. The results were as follows: There are significant differences between the morphological characteristics of individuals in the studied locations. All studied individuals that belong to different geographical locations are morphologically similar with a value ranging between(0.93-0.99) As for mineral properties, the average concentration of nickel in laurel leaves ranged between (5.97) mg/kg in laurel and (6.01) mg/kg in kiss without significant differences, which are high values compared to the natural range allowed for its presence in the plant (0-4). mg/kg ي It was also found that the best treatment for germinating laurel seeds was treatment (T7) (with the seed coat removed), which gave the highest germination percentage (81.48-88.88%) in the two plants (Al-Ghab-Kasab), while the control treatment (T1) achieved the lowest germination percentage (14.81, 18.51)%. When studying germination indicators, treatment (T3) of Kassab seeds at Al-Ghab station was superior in speed of germination (21.29) seeds/day, and in degree of homogeneity (2.62) seeds/day over the rest of the treatments ي
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Bibliographic information
Publisher
Tishreen University Faculty of Agriculture Engineering
Other Subjects
Cold-moist stratification; Laurus nobilis l; Lauracea; Heavy and micronutrients minerals; Mechanical scarification; حمض الجبرليك; الخدش الميكانيكي; الغاز النبيل; العناصر الثقيلة والصغرى; تنضيد البارد الرطب; Gibberellic acid (ga3)
Language
Arabic
Note
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2024-09-10
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