Qasim jasim. Athfua(1)*, Abass M. Jasm(2), and Awatif. N. Jerry(2)
(1) Department of Biology, College of Education –Qurna, Unviersity of Basrah, Iraqi.
(2) Department of horticulture and Land Scape design, College of Agriculture, University of Basrah,
(*Corresponding author: Dr Qasim Athfua, Email:qasim.athfua@uobasrha.edu.iq)
Received:28/04/2022 Accepted: 2/10/2022
Abstract:
A study was conducted during 2018- 2017 seasons at the farm of college of education in Qurna ,university of Basrah was to study the effect of salicylic acid ,ascorbic acid and tocophrol. The experiment included 28 factorial factors, which are the interaction between four concentrations of lead, which are 0, 400, 600 and 800 mg/kg soil, and seven spray treatments are distilled water, salicylic acid at a concentration of 25 and 50 mg/L ascorbic acid at two concentrations of 50 and 100 mg/L and tocopherol at two concentrations of 100 and 200 mg/L design. Randomized complete blocks and three replicates and the adoption of the least significant difference test at the 0.05 .Results coned be summarized as follow: when lead concentration increased, it caused a decrease in chlorophyll, carbohydrates and protein . Proline was increased as lead concentration increased in the soil. The highest activity of catalase enzyme was record plant at 600 mg /kg soil . Treatments by salicylic, ascorbic and tocophrol increased leave content of chlorophyll, carbohydrates and protein while proline was decreased under those treatment. Catalase activity increased when plants sprayed by salicylic acid, ascorbic acid and tocopherol. The interaction between the two factors caused significant effect in all studied parameters.
key word : Salicylic acid ,Ascorbic acid , Tocophrol ,Lead.
Full paper in Arabic: pdf