Osama Radwan (1), Samer Naser* (1) and Manal Fdi (1)
(1). Department of Forestry and Environment, Faculty of Agricultural, Tishreen University, Lattakia, Syria.
(*Corresponding author: Dr.Osama Radwan, Email: osamagr3@gmail.com Or Dr. Samer Naser, E.mail: samo17973@gmail.com).
Received:24/08/2023 Accepted: 27/11/2023
Abstract:
Melia azedarach, Laurus nobilis and Cupressus sempervirens to obtain distinguished seedlings in the development of their aerial and root system. The experiment was carried out in the Forestry and Environment Laboratory of the Agricultural Scientific Research Center in Lattakia in the spring of 2020. Three agricultural media were used: A. Alturf (T): B. The nursery soil (as a witness) (S): c. A mixture of turf and nursery soil (TS) in a ratio of (1:1). The percentage of germination, average height and dry weight of the shoot and root system were studied. The complete randomized block system was used in the design of the experiment, and then L.S.D values were calculated at the 0.05 level of significance. Concerning the germination rate, it ranged between (94.2 – 71.4-89.3% for Melia azedarach, Laurus nobilis and Cupressus sempervirens respectively) to outperform with a high significance on the nursery soil medium (67.4- 48.2- 61.3% respectively) compared to achieving significant differences with the mixture of turf and soil (77.6 – 55.3- 74.3% respectively). The results indicated that the turf medium was still significantly superior to the control medium, starting from germination, passing through the length of the vegetative and root groups, and reaching the average dry weight of these groups and for most species. Thus, turf played a clear role in improving the indicators measured at the center of the control alone compared to its mixture, on the level of physical, chemical and biological characteristics. Our results confirm the necessity of adding turf to the agricultural soil mixture to improve the germination and growth of seedlings, ultimately leading to the success of afforestation projects.
Keywords: Melia azedarach, Laurus nobilis, Cupressus sempervirens, substrates, growth.
Full paper in Arabic: pdf