Conventional breeding, molecular breeding and speed breeding; brave approaches to Revamp the production of cereal crops

M Haroon, MM Zafar, MA Farooq, R Afzal, M Batool… - 2020 - preprints.org
M Haroon, MM Zafar, MA Farooq, R Afzal, M Batool, F Idrees, U Babar, AS Khan, H Mo, L Li…
2020preprints.org
Conventional plant breeding methods exploit already existing genomic variation in plants to
develop a variety in 8 to 10 years, which can decrease the genetic variability of the plant's
genome. The ever-increasing food demand for cereals crops cannot be met by traditional
breeding methods. In order to increase food production in less time, there is a dire need to
improve breeding methods. Several conventional and molecular breeding methods are
being used to improve the crops traits. Molecular researchers have developed new genome …
Abstract
Conventional plant breeding methods exploit already existing genomic variation in plants to develop a variety in 8 to 10 years, which can decrease the genetic variability of the plant’s genome. The ever-increasing food demand for cereals crops cannot be met by traditional breeding methods. In order to increase food production in less time, there is a dire need to improve breeding methods. Several conventional and molecular breeding methods are being used to improve the crops traits. Molecular researchers have developed new genome editing tools like CRISPR/Cas9, CRISPR/Cpf1, prime editing, base editing, dcas9 epigenetic modification, and several other transgene-free genomes editing approaches. These genome editing tools can improve the desired traits precisely and efficiently. Moreover, a newly developed breeding method “Speed Breeding” has revolutionized the agriculture by shortening the crop cycle. It can produce 5-6 generations of cereals in a year. In this review, we have summarized all these conventional and molecular breeding approaches to improve cereal crops.
Preprints.org
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