Concerns regarding global food security have escalated significantly owing to the climate changes, diminishing agricultural land, growing population and the increasing demand of natural resources. Plant growth and productivity, along with the quality of crops around the sphere, are disapprovingly wedged by abiotic factors including drought, flooding, heat, salinity, nutrient deficiency, ozone, heavy metals and UV radiation etc. Speed breeding (SB) technique represents a pioneer tactic to reduce the breeding cycle and enhance crop development. By adjusting critical elements for growth and development of plants for instance photoperiod, light quality and intensity, temperature, relative humidity, plant nutrition and planting density, this method efficiently inspires flowering and seed production in controlled environments. SB is utilized in gene mapping, genetic engineering and the combination of traits, which improves crop resilience by utilizing allelic diversity. The combination of speed breeding with gene editing, genotyping and genomic selection offers significant potential. Nevertheless, SB encounters challenges associated with infrastructure, variations in genotypes and possible stress reactions. To sum up, SB represents a strong and hopeful strategy for tackling issues related to food security and improving crop genetics.
Breeding cycle, Gene editing, Genetic gain, Genomic selection, Speed breeding, Photoperiod, Rapid generation
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