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<p>Potato farming in Pakistan faces productivity challenges, and the application of gamma irradiation to seeds remains an unexplored area despite its potential. The impact of gamma radiation (5, 15, 25&#xa0;Gy) on potato seeds was investigated compared to untreated seeds, and we&#xa0;employed statistical analysis including Principal Component Analysis (PCA) and heatmap to identify important relationships between doses and observed traits. The results demonstrated that a moderate dose of 5&#xa0;Gy significantly enhanced germination rates, growth parameters, and yield, whereas a higher dose of 25&#xa0;Gy negatively impacted these traits&#xa0;compared with the control. Improvement of&#xa0;key parameters evaluated for 5 Gy over the control included 87.5% for&#xa0;germination percentage, 1.9% for&#xa0;mean germination time, and 73.1% for&#xa0;the seed germination index. Seedling growth traits such as seedling length (19.5%&#xa0;higher for 5 Gy than for the control), root length (47.6%&#xa0;higher), shoot length (15.5%&#xa0;higher), number of leaves (17.9%&#xa0;higher), number of branches per plant&#xa0;(11.3%&#xa0;higher), and leaf area (40.9% higher) were also assessed. In addition, biomass attributes such as root fresh weight (47.7%&#xa0;higher for 5 Gy than for the control), shoot fresh weight, root dry weight (35.2%&#xa0;higher), shoot dry weight (22.4%&#xa0;higher), root diameter (59.2%&#xa0;higher) with vigor index I (52.3%&#xa0;higher) and vigor index II (52.8%&#xa0;higher) were also&#xa0;measured. Furthermore, physiological and biochemical parameters, including chlorophyll content (3.8%&#xa0;higher), total soluble protein (34.8% higher), percentage inhibition DPPH, catalase activity (21.7%&#xa0;higher), phenolic content (26.0%&#xa0;higher), flavonoid content (10.3%&#xa0;higher) and mineral ion concentrations were also&#xa0;analyzed. By optimizing gamma irradiation as a pre-sowing treatment, this study offers a sustainable approach to improving potato productivity. These findings address critical challenges faced by potato growers and contribute to the development of innovative strategies for sustainable agriculture.</p>

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Utilizing Gamma Radiation for Sustainable Potato Farming: A Study to Enhance Potato Yield and Growth Parameters

  • 期刊论文

  • 发表日期：

    2026年5月12日

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  • Kalsoom Asghar Ali,
  • Muhammad Junaid,
  • Ashraf Ahmed Qurtam,
  • Fahd A. Nasr,
  • Zia-Ul-Haq

摘要

Potato farming in Pakistan faces productivity challenges, and the application of gamma irradiation to seeds remains an unexplored area despite its potential. The impact of gamma radiation (5, 15, 25 Gy) on potato seeds was investigated compared to untreated seeds, and we employed statistical analysis including Principal Component Analysis (PCA) and heatmap to identify important relationships between doses and observed traits. The results demonstrated that a moderate dose of 5 Gy significantly enhanced germination rates, growth parameters, and yield, whereas a higher dose of 25 Gy negatively impacted these traits compared with the control. Improvement of key parameters evaluated for 5 Gy over the control included 87.5% for germination percentage, 1.9% for mean germination time, and 73.1% for the seed germination index. Seedling growth traits such as seedling length (19.5% higher for 5 Gy than for the control), root length (47.6% higher), shoot length (15.5% higher), number of leaves (17.9% higher), number of branches per plant (11.3% higher), and leaf area (40.9% higher) were also assessed. In addition, biomass attributes such as root fresh weight (47.7% higher for 5 Gy than for the control), shoot fresh weight, root dry weight (35.2% higher), shoot dry weight (22.4% higher), root diameter (59.2% higher) with vigor index I (52.3% higher) and vigor index II (52.8% higher) were also measured. Furthermore, physiological and biochemical parameters, including chlorophyll content (3.8% higher), total soluble protein (34.8% higher), percentage inhibition DPPH, catalase activity (21.7% higher), phenolic content (26.0% higher), flavonoid content (10.3% higher) and mineral ion concentrations were also analyzed. By optimizing gamma irradiation as a pre-sowing treatment, this study offers a sustainable approach to improving potato productivity. These findings address critical challenges faced by potato growers and contribute to the development of innovative strategies for sustainable agriculture.