Molecular Plant Breeding 2024, Vol.15, No.6, 328-339 http://genbreedpublisher.com/index.php/mpb 337 As a functional trace element, Se plays an indispensable role in strawberry production. Through biofortification techniques, Se not only improves stress resistance in strawberries but also significantly enhances fruit quality and nutritional value, providing critical support for the development of high-value agricultural products. The application of Se enables strawberries to exhibit stronger adaptability under adverse conditions while enhancing fruit market competitiveness to meet the growing consumer demand for selenium-enriched foods. Furthermore, Se promotes strawberry growth and development in extreme environments by regulating metabolic and molecular mechanisms, demonstrating broad agricultural application potential. Despite the widely recognized benefits of Se in strawberry production, its practical application still faces several challenges that require further optimization and refinement. For instance, it is crucial to focus on the application dosage and safety thresholds of Se under different cultivation conditions to ensure both improved fruit quality and the avoidance of potential toxicity. Optimizing Se application techniques is also essential, such as integrating nanotechnology or leveraging synergistic interactions with other nutrients to enhance Se utilization efficiency and strawberry uptake. Moreover, large-scale field trials are needed to validate laboratory findings and explore best practices applicable to diverse environmental conditions, ensuring the universality and economic feasibility of Se technologies. In-depth investigations into the molecular regulatory mechanisms of Se in improving strawberry quality are equally important. By elucidating key genes and metabolic pathways, targeted improvement of strawberry varieties can be achieved. These initiatives will further expand the application potential of Se in agriculture, providing robust support for sustainable agricultural development and the production of high-quality agricultural products. Authors’ Contributions ZXL was the primary author of this study, responsible for data collection, analysis, and drafting the manuscript. FCZ was contributed to the study design. ZXH, XS, TZX, ZY, and WHY participated in revising the manuscript. All authors read and approved the final manuscript. Acknowledgments The authors sincerely thank ZXH from the Horticultural Research Project Team for assistance with image processing and literature compilation in this manuscript. Special thanks are extended to FCZ for reviewing and revising the manuscript. Additionally, the authors are deeply grateful to the two anonymous peer reviewers for their comprehensive evaluation of the manuscript. Funding This study was supported by the Basic Research Program of the Yunnan Provincial Department of Education (2019J0575); Institutional Talent Recruitment Program (XJ20230087) and Universities Union Fund of Yunnan (No.202301BA070001-005). Conflict of Interest Disclosure The authors affirm that this research was conducted without any commercial or financial relationships that could be construed as a potential conflict of interest. References Ahmad R., Waraich E.A., Nawaz F., Ashraf M.Y., and Khalid M., 2016, Selenium (Se) improves drought tolerance in crop plants--a myth or fact, Journal of the Science of Food and Agriculture, 96(2): 372-380. https://doi.org/10.1002/jsfa.7231 PMid:25906838 Chen J.P., Pan L.P., Xing Y., Liao Q., Liu Y.X., and Che J.L., 2023, Study on the effects of exogenous jasmonic acid on selenium tolerance and selenium accumulation in pak choi (Brassica chinensis L.), Zuowu Zazhi (Crops), 6: 160-166. Dar Z.M., Malik M.A., Aziz M.A., Masood A., Dar A.R., Hussan S., and Dar Z.A., 2021, Role of selenium in regulation of plant antioxidants, chlorophyll retention and osmotic adjustment under drought conditions: a review, International Journal of Plant and Soil Science, 33(14): 52-60. https://doi.org/10.9734/ijpss/2021/v33i1430504 Duborská E., Šebesta M., Matulová M., Zvěřina O., and Urík M., 2022, Current strategies for selenium and iodine biofortification in crop plants, Nutrients, 14(22): 4717. https://doi.org/10.3390/nu14224717
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