Effect of Humic and Salicylic Acids Foliar Application on Vegetative Growth and Fruit Quality of Olive (c.v Sorani and Khadrawi)
DOI:
https://doi.org/10.36077/kjas/2022/v14i2.3756Keywords:
Olea europaea, cultivar, Humic acid, salicylic acid and olive qualityAbstract
This study was carried out on 15 years old trees of two Syrian olives (Olea europaea L.) cultivars Sorani and Khadrawi during 2020-2021 growing season at research orchard, of Horticulture department / College of Agricultural Engineering sciences, University of Sulaimani, Iraqi Kurdistan region. Humic and salicylic acids foliar application with three levels (0, 2000 and 4000 ppm) and (0, 750 and 1500 ppm) were applied respectively (before and after full bloom as well as at fruit set). The parameters annual shoot length, fruit set percentage, fruit weight, fruit volume, oil content in fruit and leaf (nitrogen, phosphorus and potassium) content were studied, and the results showed that cultivar had significant effects on all studied parameters except (fruit weight and fruit volume). Maximum concentration of humic acid (4000ppm) recorded maximum values in all parameters compared to the other concentrations, and also had significant effects on all parameters. Except (fruit volume) all parameters be affected significantly by salicylic acid application.
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Copyright (c) 2022 Eva Hikmat Hama Rashid, Fakhraddin Mustafa Hama-salih
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