The Role of Genetics and Plant Breeding for Crop Improvement: Current Progress and Future Prospects
Aswini M. S., Kiran, Biswajit Lenka, Yogesh Achyutrao Shaniware, Priya Pandey, Asit Prasad Dash, Songthat William Haokip
International Journal of Plant & Soil Science · pp. 190–202 · Published 19 Sep 2023
10.9734/ijpss/2023/v35i203798Abstract
Genetics and plant breeding play crucial roles in driving crop improvement efforts, ensuring sustainable food production and addressing global challenges such as population growth and climate change. This review article provides a comprehensive overview of the role of genetics and plant breeding in crop improvement, The article explores the fundamental principles of genetics, including inheritance patterns and genetic variation, and their implications for trait expression in crops. It discusses the application of genetic markers and quantitative trait loci (QTL) mapping, along with the emerging field of genomic selection, in facilitating the selection of desirable traits for plant breeding programs. Traditional breeding methods, hybridization, and the integration of advanced molecular breeding tools are explored as means to enhance crop performance. Additionally, the potential of genome editing technologies, such as CRISPR-Cas9, in accelerating the breeding process and enabling precise modifications in plant genomes is discussed. The article also addresses important considerations in crop improvement, such as balancing yield improvement with agronomic traits, enhancing resistance against biotic and abiotic stresses, and incorporating socio-economic and environmental factors. Germplasm conservation and utilization for future breeding endeavors are emphasized. Overall, the review highlights the pivotal role of genetics and plant breeding in achieving crop improvement and underscores the need for ongoing research and innovation to meet the challenges of the future.
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