Effect of Foliar spraying with some micronutrients ( Zn, Fe, B) on the physical and chemical properties of the Lemon Fruits ( Citrus meyeri )


Abstract in English

The experiment was conducted during the two seasons (2015 , 2016 ) on the Lemon trees cv (Meyer ) aiming at studying the effect of the foliar spraying with the nutrients ( boron , zinc and iron ) on physical and chemical properties of the fruits These nutrients were sprayed separately or as a mixture . The average of each of the physical properties of the fruit (length , width , firmness, volume and weight of the fruit ) , in addition to rind thickness and the fruits ` juice volume, ,the chemical properties of the fruit juice (total soluble solids, total sugars, total acidity, vitamin C) were studied. An increase was observed in all the studied parameters in the sprayed treatments compared to the control from( 6.37%- 3.33% -0.37% - 34.57mg%)to(9.33% -4.88% -1.89% -43.5%) in the first season and( 9.75% 5.87- 3.32% - 45%) in the second season, respectively. As a result of the statistical analysis, there were significant differences between all the studied treatments and the control with overpass of the treatment of the three elements (iron chelate + boron oxide + zinc chelate ) of all treatments in the most of the studied figures in both seasons. Statistical analysis of the fruit rind thickness showed the absence of the significant differences among the studied treatments.

References used

ABDEL-RAZIK, A. M. AND ABDRABBOH, G.A. Effect of some growth regulators and boric acid on yield and fruit quality of Clementine mandarin( Citrus reticulate). Al-Azhar J. Agric. Sci. Sector Res., 2008. p41-50
ALLOWAY, B.J. Zinc in soils and crop nutrition. IZA Publications. International Zinc Association, Brussels.2008
ALVA A, MATTOS KDJ, PARAMASIVAM S, PATIL B, DOU H, SAJWAN ,K.S. Potassium management for optimizing citrus production and quality.International Journal of Fruit Science 6, (2006). 3-43

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