Abstract
The field experiment was carried out during the planting season of 2020 in one of the private sector orchards in the Saqlawiya sub-district of Fallujah district to study the effect of foliar spraying with zinc, boron and potassium on some vegetative growth traits and the yield of apples of CV. Ibrahimi, the first factor is represented by spraying with boric acid H3BO3 at a Concentrations of (0, 1) g. L-1, mentioned as B0, B1, and the second factor consisted of spraying with zinc sulfate ZnSO4 at a concentrations of( 0, 3) g. L-1 mentioned as Z0, Z1 and the third factor is spraying with potassium sulfate K2SO4 at concentrations (0, 2.5, 5) g. L-1 mentioned asK0-K1, K2 respectively. The results showed that the effect of spraying with the study factors led to a significant increase in most of the studied traits represented by (the area of one leaf, the total chlorophyll content of the leaves, the percentage of carbohydrates in the branches, the percentage of fallen fruits, the yield of one tree, the average weight of the fruit, the percentage of total sugars in the fruits, and the content of the fruits of vitamin C) reached ( 27.81 cm2, 82.67mg100g-1, 14.37%, 30.74%, 27.98kg.tree-1, 45.13g, 8.57%, 4.87 mg100g-1) sequentially.
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