Enhancing Potato Growth, Yield, and Quality via Tuber Eye Numbers and Natural Stimulants under Egyptian Conditions | ||||
| Damietta Journal of Agricultural Sciences | ||||
| Volume 4, Issue 3, August 2025, Page 1-14 PDF (1.19 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/djas.2025.449534 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
A. Hamaiel1; Usama Saif Eldeen2; Mahmoud Abdelhady  1; Sameh Elgabry1
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| 1Horticulture Department، Faculty of Agriculture، Damietta University, Egypt | ||||
| 2Horticulture Research Institute, Agricultural Research Center, El-Giza, Egypt | ||||
| Abstract | ||||
| Potato is a strategic crop in Egypt, having nutritional and economic importance. So, a field trial was conducted during the winter seasons of 2022/23 and 2023/24 using a split-plot design to evaluate the effect of eye number per tuber pieces (one, two, or three eyes) and natural stimulants, including seaweed extract (2.0 gL-1), amino acids (5 cm L-1), yeast extract (5.0 gL-1), licorice extract (10 gL-1), along with control group (without foliar applications), on potato growth and yield under Egyptian agricultural conditions in Kafr Al-Arab Village, Faraskour District, Damietta Governorate. Results showed that three-eyes per piece of tubers significantly outperformed one- and two-eye number in growth parameters, leaf chemical composition, photosynthetic pigments, yield, and quality traits. Among foliar biostimulants, amino acids had the highest positive impact for previous parameters, followed by seaweed extract. The combination of three-eye per piece of tubers with amino acids achieved the best outcomes across all metrics. It is recommended to use three-eye of tuber pieces combined with natural stimulants, particularly amino acids or seaweed extracts, to enhance potato productivity. Future research should optimize biostimulant concentrations and application schedules and explore their integration with sustainable agricultural practices for further productivity gains and environmental sustainability. | ||||
| Keywords | ||||
| amino acids; yeast; seaweed | ||||
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