Hala Ghanem (1)*, Ensaf Akel(2), Qusay Al-Rhayeh(2) and Imad Ismail(1)
(1). Department of Plant Protection, Faculty of Agriculture, Tishreen University, Lattakia, Syria.
(2). General Commission for Scientific Agricultural Research, Syria.
(*Corresponding author: Hala Ghanem, E-mail: email@example.com )
Received:26/09/2021 Accepted: 23/03/2022
The research was conducted to evaluate the efficiency of the local bacterial isolate, Bacillus subtilis B.Ra.217 in reducing infection with tomato yellow leaf curl virus (TYLCV).by studying some growth parameters (plant height, dry and fresh weight of Vegetative, dry, and fresh weight of the root system, and weight of fruits). This research was conducted at the Agricultural Scientific Research Center in Lattakia Governorate in a plastic house in season 2020/2021. The bacteria were added by seed treatment + seedlings irrigation. The result after 4 months of planting showed the effectiveness of bacterial isolate in improving the growth parameters of tomato plants, This activity was manifested in increasing the height of the plant, the dry and fresh weight of Vegetative, the dry and fresh weight of the root system and the weight of fruits by (32.06%)، (39.26%) ،(20.8%) (29.01%)، (20.75%)، (36.21%) respectively of the plants treated with bacteria compared with the healthy control plants. It also showed its effectiveness in increasing the height of plants the dry and fresh weight of Vegetative, the dry and fresh weight of the root system, and the weight of fruits by (46.69%)،(21.40%)،(20.16%)،(5.14%)،(26.13%)،(1.66%) respectively of the plants treated with bacteria and virus compared with the infective control plants.
Keywords: Tomato, TYLCV, B. subtilis B.Ra.217, Growth parameters.
Full paper in Arabic: pdf