Effect of Spraying Some Amino Acids and Seaweed Extract on the Yield and Quality Fruits of Valencia Orange | ||||
| Egyptian Journal of Horticulture | ||||
| Volume 51, Issue 2, August 2024, Page 151-160 PDF (1.28 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejoh.2023.213742.1248 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
Huda M. H. Ismaiel  1; Hassan S Ismail2
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| 1citrus dept. Horticulture inst. ARC | ||||
| 2Citrus dept. Horticulture Inst. ARC | ||||
| Abstract | ||||
| Valencia orange trees were dosed with 0.05 to 0.2% concentrations of various amino acids (Arginine, tryptophan, and glutamine) and/or seaweed extracts three times throughout the 2021 and 2022 growing seasons. The value of this research is in its investigation of how spraying varying concentrations of amino acids and seaweed extracts affects the development, nutritional status, production, and quality of Valencia oranges. In comparison to the control treatment, trees given three applications of 0.05 to 0.2% amino acids and/or seaweed extracts showed significant improvements in growth, leaf pigments and nutrients, yield, and physical and chemical fruit attributes. Concentration rose in tandem with the ad campaign’s success. The effects of the higher doses (0.1 and 0.2 percent) on these indicators were negligible. Using specific amino acids(Arginine, tryptophan, and glutamine ) was far more effective than using seaweed extracts, and using both together was more effective than using each one by itself across the board. a combination of amino acids and seaweed extracts at 0.2 percent applied three times: at the beginning of development, immediately after fruit setting, and again two months later was more recommended. | ||||
| Keywords | ||||
| Valencia orange trees; amino acids; seaweed extracts; yield; fruit quality; evergreen trees | ||||
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