The Impact of Some Foliar Treatments on Chemical Composition and Chlorophyll of Tomato Plant under Saline Condition (Hydroponic Exp.)

Abstract

A Hydroponic experiment was conducted in a greenhouse at Egypt's National Research Center Dokki to investigate the impact of some foliar treatments on enhancing growth of tomato plants under different salinity levels. Tomato (Solanum lycopersicum) seedlings from the Agricultural Research Center station in Dokki variety, Hagen Elssia were used. The tomato seedlings were immersed in Hogland solution for a week, and then the salinity level of the solution was adjusted to the values. 2, 4 and 6 dSm-1 using NaCl After one week seven spray treatments were applied (Control, K 500 ppm, Si 8mML-, Proline 100 ppm, Algae as extraction 2%, Fe 10 ppm + K500 ppm KNO3 + B 10 ppm, Fe10 ppm + K500 ppm + B10 ppm + Si 8 mML-1 and Fe 10 ppm + K500 ppm + B 10 ppm+ proline 100 ppm. The applied spray parameters and their effect on the nutritional characteristics of the tomato plant were evaluated. It was evident through this evaluation that the best treatments were potassium nitrate, followed by the treatment of algae extract, then treatment of Fe+K+B+Prol, then Fe+K+B+Si and the treatment with proline was the least effective treatment on nutrition status.