Document Type : Research article
Authors
1
Department of Horticulture, Faculty of Agriculture, Al-Azhar University, Assiut, Egypt
2
Central Laboratory for Date Palm Research, Agriculture Research Center, Giza, Egypt
Abstract
The nine antioxidants, and nutrients included boric acid at 0.05%, (Zn, Fe and Mn) at 0.05%, salicylic acid at 0.05%, moringa extract at 0.1%, turmeric extract at 0.1%, garlic extract at 0.1%, potassium silicate at 0.1%, seaweed extract at 0.1%, and glutathione at 0.1% were examined for their impacts on growth, palm nutritional status, yield and fruit quality of Barhee date palm cultivar. The materials were sprayed four times at growth start just after fruit setting and at one-month intervals during 2020 and 2021 seasons. Date palm trees sprayed with antioxidants and nutrients showed the best nutritional status compares to the untreated date palm (control). The treatments enhanced leaf content of pigments N, P, K, Zn, Fe and Mn. Furthermore, it was observed that glutathione, seaweed extract, potassium silicate, garlic extract, turmeric extract, moringa extract, salicylic acid (Zn, Fe and Mn) and boric acid boosted yield and fruit quality of Barhee date palm.
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