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Review

Speed Breeding for Crop Improvement and Food Security

by
Jesse Potts
1,2,
Sumit Jangra
1,
Vincent N. Michael
1,3 and
Xingbo Wu
1,2,*
1
Tropical Research and Education Center, University of Florida, Homestead, FL 33031, USA
2
Environmental Horticulture Department, University of Florida, Homestead, FL 33031, USA
3
Horticulture Department, University of Florida, Homestead, FL 33031, USA
*
Author to whom correspondence should be addressed.
Crops 2023, 3(4), 276-291; https://doi.org/10.3390/crops3040025
Submission received: 18 September 2023 / Revised: 17 October 2023 / Accepted: 29 October 2023 / Published: 3 November 2023
(This article belongs to the Special Issue Ensuring Food Security in a Changing World)
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Abstract

Amid a rapidly growing global population and increasing threats to crop yields, this review focuses on Speed Breeding (SB) in crop genetics. It traces SB’s development from carbon arc lamp experiments 150 years ago to its modern use with LED technology which significantly accelerates breeding cycles. SB has applications in genetic mapping, genetic modification, and trait stacking, enhancing crop resilience by leveraging allelic diversity. It aligns well with breeding methods like single plant selection and single seed descent. The integration of SB with gene editing, genotyping, and genomic selection holds great promise. However, SB faces challenges related to infrastructure, genotypic variations, and potential stress responses. In summary, SB is a powerful and promising approach to address food security concerns and advancing crop genetics.
Keywords: genetic gain; controlled environment; high-density; genomic selection; single seed decent; single plant selection; shuttle breeding genetic gain; controlled environment; high-density; genomic selection; single seed decent; single plant selection; shuttle breeding

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MDPI and ACS Style

Potts, J.; Jangra, S.; Michael, V.N.; Wu, X. Speed Breeding for Crop Improvement and Food Security. Crops 2023, 3, 276-291. https://doi.org/10.3390/crops3040025

AMA Style

Potts J, Jangra S, Michael VN, Wu X. Speed Breeding for Crop Improvement and Food Security. Crops. 2023; 3(4):276-291. https://doi.org/10.3390/crops3040025

Chicago/Turabian Style

Potts, Jesse, Sumit Jangra, Vincent N. Michael, and Xingbo Wu. 2023. "Speed Breeding for Crop Improvement and Food Security" Crops 3, no. 4: 276-291. https://doi.org/10.3390/crops3040025

APA Style

Potts, J., Jangra, S., Michael, V. N., & Wu, X. (2023). Speed Breeding for Crop Improvement and Food Security. Crops, 3(4), 276-291. https://doi.org/10.3390/crops3040025

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