EFFECT OF FOLIAR SPRAY WITH SILICON, BORON, AND GIBBERELLIC ACID ON THE NUTRITIONAL ELEMENTS CONTENT IN LEAVES OF STRAWBERRY (FRAGARIA X ANANASSA DUCH.) CV. ALBION

Abstract

The effect of foliar spraying with silicon at three concentrations (0, 2 and 3 mmol Si L-1) using potassium silicate (18%) and with boron at three concentrations (0, 25 and 50 mg B L-1) using boric acid (17% boron) And gibberellic acid at two concentrations of 0 and 75 mg GA3 L-1 to study the effect of foliar spraying on the content of leaves of strawberry plants (Fragaria x ananassa Duch.) cv. Albion for some nutrients grown in the nurseries of the Department of Horticulture and Landscape Design /College of Agriculture and Forestry/University of Mosul during the 2022-2023 growing season, it was sprayed three times with each of silicon and boron and once with gibberellic acid during the cultivation period. The study was applied using an RCBD design with three replicates and nine plants for each experimental unit. The results showed that foliar spraying with silicon, boron, and gibberellic acid separately, as well as all interactions between them, especially the treatment (3 ml mol Si L-1, 50 mg B L-1, and 75 mg GA3 L-1), led to a significant increase in the following characteristics: nitrogen, phosphorus, potassium, and boron in plant leaves for each experimental unit compared to the control treatment.