EFFECT OF FOLIAR APPLICATION WITH ALGAE AND MORINGA LEAVES EXTRACTS ON VEGETATIVE GROWTH, LEAF MINERAL CONTENTS, YIELD AND CHEMICAL FRUIT QUALITY OF PICUAL OLIVE TREES
2019
A. Hassan | N. Abd-Alhamid | Rawheya Aly | H. Hassan
This study was carried out during 2017 and 2018 seasons on adult Picual olive cv. (8 years old) in a private orchard located at Cairo Ismailia Desert Road, (about 80 Km from Cairo), Ismailia Governorate, Egypt. Trees are grown in sandy soil, under drip irrigation system, uniform in shape and received the common horticultural practices, therefore, this work aims to study the effect of spraying different concentrations and dates spray of algae and moringa leaf extract (MLE) for tow times on the vegetative growth, leaf mineral contents, yield and fruit chemical properties of Picual olive trees. Results indicated that all different spraying treatments of algae and moringa extract at different spraying dates had a positive effect on vegetative growth, leaf mineral contents, fruit set, yield and fruit chemical properties in comparison with the control. Treatments of algae extract at 0.4% + moringa leaves extract at 2% and algae extract at 0.4% + moringa leaves extract at 4% were the most effective treatments to increase vegetative growth, improve leaf mineral content, fruit set, yield and oil content. Thus, these treatments can be recommended for commercial use under similar conditions
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