Bayan Aqeel(1)*, Mahmoud Baghdadi(1) , Ahmed Qattaa(1)
(1). Department of Horticulture, Faculty of Agriculture, University of Aleppo, Syria
(*Corresponding author: Bayan Aqeel, E.mail: bayanakil095@gmail.com, 0992282023)
Received:8/09/2024 Accepted:15/11/2024
Abstract:
The research aimed to study the effect of foliar spraying using organic materials (marine algae extract, ascorbic acid). In the false lemon balm plant, in terms of the type of substance, its concentration in vegetative growth, and the content of chlorophyll and essential oil in the leaves. The research was carried out in the garden of the Horticulture Department at the University of Aleppo during the 2022 season, and foliar spraying was carried out with the following treatments: control (with normal water), seaweed extract (1, 2, 3 ml/L), pure ascorbic acid at a concentration of (50, 100, 150 ppm), the treatments were carried out at three different times. The readings showed the following: The use of seaweed extract at a concentration of (3 ml/L) led to a significant increase in plant height, which reached (86.33 cm), a significant increase in the number of leaves (132.33), and a significant increase in the number of floral growths (16), while the highest percentage of essential oil was obtained when using ascorbic acid at a concentration of (150 ppm) compared to the rest of the treatments, as the percentage of essential oil reached 1.47%)
Keywords: lemon balm, Seaweed extract,, ascorbic acid, vegetative growth, essential oil.
Full paper in Arabic: pdf