Mais Daher* (1), Saleh Qabili (1), and Sawsan Haifa(1)
(1). Department of Field Crops, Faculty of Agricultural Engineering, Tishreen University, Lattakia, Syria.
(* Corresponding author: Mais Daher, e-mail: maisdaher00@gmail.com, Tel: 009699467087).
Received: 21/02/2024 Accepted: 3/10/2023
Abstract:
The experiment was carried out in the greenhouse of the Faculty of Agricultural Engineering- Tishreen University- Latakia during the 2022/2023 agricultural season by planting seeds of four genetic-environmental types of Lathyrus sativus L.(Latakani, Tartousi, Homsi, and Shami) in plastic bags with a capacity of 5 kg of soil. These bags were distributed according to a completely randomized design with three replicates. The research aimed to evaluate the behavior of some morphological, morphysiological and productive traits of the studied genotypes under different levels of sodium chloride salinity (0, 3, 6, 10 and 15 mmho/cm) in order to determine the effect of salinity levels and the most tolerant genotype for future use in breeding or cultivation programs in lands affected by salinity. The results indicated that the values of all the studied traits decreased significantly (P<0.05), and increasingly proportional to the salt concentrations used (3, 6, 10, 15 mmho/cm). The Homsi genotype was superior in control conditions and under conditions of salt stress, especially at high levels of 10 and 15 mmho/cm, and significantly (P<0.05) in most of the traits studied compared to the other genotypes. The results also showed that the largest percentage decrease under the applied salinity levels was primarily noticeable in the characteristics of plant leaf surface area at Tartousi genotype (5.07 cm2/plant) at the concentrations of (15 mmho/cm), leaf weight at Tartousi genotype (0.6 g) at the concentrations of (15 mmho/cm), number of branches at Tartousi genotype (2.33 branch /plant) at the concentrations of (15 mmho/cm), pod length at Shami genotype (1cm) at the concentrations of (15 mmho/cm) and its weight at Tartousi genotype (1g) at the concentrations of (15 mmho/cm) and the number of seeds at Tartousi and Shami genotypes (1.67 g/plant) at the concentrations of (15 mmho/cm) and their weight at Tartousi and Shami genotypes (1g) at the concentrations of (15 mmho/cm). This indicates the possibility for using these traits to screen genotypes that are more tolerant to salt stress. The research concluded to grow Homsi genotype in control conditions, and under salinity conditions, whether at low levels of 3 mmho/cm or high levels of more than 10 mmho/cm, because of its superiority in most of the morphological, morphysiological, and production traits studied.
Keywords: Lathyrus Sativus L.; Morphysiological traits; Productivity; salt stress.
Full paper in Arabic: PDF