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AuthorGermana, Maria Antonietta; Aleza, Pablo; Grosser, Jude W.; Dutt, Manjul; Wang, Nian; Cuenca, José; Kaur, Prabhjot
Cita bibliográficaGermana, M. A., Aleza, P., Grosser, J. D., Dutt, M., Wang, N., Cuenca, J. et al. (2020). Citrus biotechnology. In: Talón, M., Caruso, M. & Gmitter Jr, F. G. (Eds.), The Genus citrus, (pp 171-192). Elsevier.
Citrus improvement that results in the development of new cultivars is a continuous process that requires a sustained long-term programmatic effort for success. Emerging biotechnologies exploit the high cell-to-plant regeneration capacity of many citrus cultivars. These technologies utilize both somatic embryogenesis and organogenesis techniques, allowing citrus cells to be amenable to numerous biotechnology applications. Several elite genetically improved rootstock and scion cultivars have been developed in recent years from embryogenic cell lines and organogenic shoot explants. Emerging biotechnologies that can address the challenges to maintaining a profitable and sustainable worldwide citrus industry have never been greater, and applications of the emerging biotechnologies will play a critical role for future success. This chapter summarizes the key technologies that have enabled the development of improved citrus cultivars such as micropropagation (shoot multiplication and rooting), haploid production (gametic embryogenesis), somaclonal variation, somatic hybridization for seedless variety development, and somatic cybridization. In addition, emerging technologies such as citrus transformation and CRISPR gene editing have the potential to contribute positively in citrus plant improvement.