The Effect of Treatment with Citric Acid at Different Levels on Growth Indicators and Leaf Content of Mineral Elements of Date Palm Cuttings (Phoenix Dactylifera L.) Al-Sayer Variety.

Abstract

This study was conducted during the 2020 growing season in one of the private orchards in Basra Governorate / Al-Hartha district with mixed alluvial soil, in order to study knowledge of the effect of treatment with citric acid at different concentrations on the leaf area and the leaf content of the elements of date palm phoenix dactylifera L. Al-Sayer variety, the treatment was completed. With three concentrations of citric acid (5, 10, 15) g / liter sprayed on the shoots, and three concentrations (100, 150, 200) g / liter in addition to the soil in addition to the comparison treatment without addition, as the treatment was done at the beginning of March. The experiment was carried out in the field according to the design of the complete random sectors as a simple experiment with three sectors and each sector included all the above transactions, the results showed. All the transactions were significantly superior in the average paper area and paper content of nitrogen, phosphorus and potassium compared to the comparison treatment that gave the lowest rate for the mentioned traits, while The comparison treatment gave the highest average sodium content of leaves, as it reached (7.03 mg / g), which differs significantly with the rest of the treatments. As for the ratio between sodium to potassium, the comparison treatment exceeded by giving it the highest percentage (1.57 mg / g), while the treatments gave T4, T5, T6. T7, the lowest percentage was (0.73,0.91,0.93,0.90), respectively.