Effect of Spraying With Cal-Boron and Potassium Humate and Maturity Stage on Fruit Quantity, Quality Characteristics of Apricot Prunus Armeniaca L. cv. "Royal"

Abstract

Abstract This study was conducted on apricot trees Royal cultivar 9 years old in a private field located northern Kirkuk city - Iraq during The period 2020-2021, to study the spraying whit Cal-boron and potassium humate on fruit quantity, quality characteristics of apricot with three levels of Cal-boron (0, 1and 2) ml.L-1 and three levels of potassium Humate (0, 3 and 6) g.L-1. In addition to the control treatment (untreated plants). Combination of 2 ml.L-1 Cal-boron and 3 g.L-1 of Potassium humate excelled on leaf area Leaves content of chlorophyll, Vitamin C, and T.S.S. parameter compared with treatment with distilled water (control). A Randomized Complete Block Design (R.C.B.D) was used to implement the experiment, with three replications.